• Smart TV and soundbar.

    From Woody@21:1/5 to All on Thu Feb 17 13:07:34 2022
    I have a Philips soundbar that has its own remote control. I also have a Samsung UE32T5300 smart TV.

    The soundbar will only take plain audio or optical connection.

    If I use the optical connection on the TV (1) does it give sound out and
    (2) is that sound level adjusted by the TV (i.e. so that I can fix the
    level of the soundbar output using the soundbar remote and then adjust
    the listening level coming out of the TV optical port using the TV remote?)

    Hope that makes sense.

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  • From Andy Burns@21:1/5 to Woody on Thu Feb 17 13:22:46 2022
    Woody wrote:

    If I use the optical connection on the TV (1) does it give sound out

    normally yes, do you see a red LED shining out the TV's TOSlink port?

    is that sound level adjusted by the TV

    usually not

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  • From R. Mark Clayton@21:1/5 to Andy Burns on Thu Feb 17 06:19:55 2022
    On Thursday, 17 February 2022 at 13:22:51 UTC, Andy Burns wrote:
    Woody wrote:

    If I use the optical connection on the TV (1) does it give sound out
    normally yes, do you see a red LED shining out the TV's TOSlink port?
    is that sound level adjusted by the TV
    usually not

    Agree.

    --- SoupGate-Win32 v1.05
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  • From alan_m@21:1/5 to Woody on Thu Feb 17 16:29:28 2022
    On 17/02/2022 13:07, Woody wrote:
    I have a Philips soundbar that has its own remote control. I also have a Samsung UE32T5300 smart TV.

    The soundbar will only take plain audio or optical connection.

    If I use the optical connection on the TV (1) does it give sound out and
    (2) is that sound level adjusted by the TV (i.e. so that I can fix the
    level of the soundbar output using the soundbar remote and then adjust
    the listening level coming out of the TV optical port using the TV remote?)

    Hope that makes sense.

    All optical connections I've used are fixed volume - the source cannot
    adjust the volume on the optical out.

    --
    mailto : news {at} admac {dot} myzen {dot} co {dot} uk

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  • From Adrian Caspersz@21:1/5 to All on Thu Feb 17 18:57:02 2022
    On 17/02/2022 16:29, alan_m wrote:
    On 17/02/2022 13:07, Woody wrote:
    I have a Philips soundbar that has its own remote control. I also have
    a Samsung UE32T5300 smart TV.

    The soundbar will only take plain audio or optical connection.

    If I use the optical connection on the TV (1) does it give sound out
    and (2) is that sound level adjusted by the TV (i.e. so that I can fix
    the level of the soundbar output using the soundbar remote and then
    adjust the listening level coming out of the TV optical port using the
    TV remote?)

    Is it possible to program the TV remote so that it sends IR that the
    soundbar understands?


    Hope that makes sense.

    All optical connections I've used are fixed volume - the source cannot
    adjust the volume on the optical out.


    It's amazing how interoperable some of these smart TVs turn out.

    Fixed audio outputs (either Phono or Optical) is common in my experience.

    It's a problem to owners of soundbars and full featured surround sound
    systems. Especially prominent with TV manufacturers manipulating the
    situation to sell their own very compatible soundbar by installing crap
    TV speakers.

    Their recommended integrated solution is to buy a soundbar with HDMI CEC https://en.wikipedia.org/wiki/Consumer_Electronics_Control

    Or that horrible bluetooth.


    But a workaround strikes me.

    Hack something that can listen to the volume up/down commands of the TV
    remote and relay it as up/down command commands to the Soundbar.

    A project for a Raspberry Pico and some idle fingers.

    Make enough, flog on eBay/Etsy

    Retire.

    There ye go, Oh yes, I want 51% for a 0.000000001p investment....

    --
    Adrian (Dragon) C

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  • From Brian Gaff (Sofa)@21:1/5 to Woody on Fri Feb 18 10:41:08 2022
    No the audio on the optical if fixed level, at least my Samsung is like
    that.
    Brian

    --

    This newsgroup posting comes to you directly from...
    The Sofa of Brian Gaff...
    briang1@blueyonder.co.uk
    Blind user, so no pictures please
    Note this Signature is meaningless.!
    "Woody" <harrogate3@ntlworld.com> wrote in message news:sulhan$scs$1@dont-email.me...
    I have a Philips soundbar that has its own remote control. I also have a >Samsung UE32T5300 smart TV.

    The soundbar will only take plain audio or optical connection.

    If I use the optical connection on the TV (1) does it give sound out and
    (2) is that sound level adjusted by the TV (i.e. so that I can fix the
    level of the soundbar output using the soundbar remote and then adjust the listening level coming out of the TV optical port using the TV remote?)

    Hope that makes sense.

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  • From Brian Gaff (Sofa)@21:1/5 to Adrian Caspersz on Fri Feb 18 10:47:05 2022
    Yes and then when you want the computer to operate with the tv as a monitor, you find that the hdmi shoves all the audio through the tv instead of your
    main audio system so you have to buy a via to hdmi converter and leave the audio unplugged.
    In them old days these would be configurable by a set of switches, set and forget.
    Brian

    --

    This newsgroup posting comes to you directly from...
    The Sofa of Brian Gaff...
    briang1@blueyonder.co.uk
    Blind user, so no pictures please
    Note this Signature is meaningless.!
    "Adrian Caspersz" <email@here.invalid> wrote in message news:j77k3vFknv9U1@mid.individual.net...
    On 17/02/2022 16:29, alan_m wrote:
    On 17/02/2022 13:07, Woody wrote:
    I have a Philips soundbar that has its own remote control. I also have a >>> Samsung UE32T5300 smart TV.

    The soundbar will only take plain audio or optical connection.

    If I use the optical connection on the TV (1) does it give sound out and >>> (2) is that sound level adjusted by the TV (i.e. so that I can fix the
    level of the soundbar output using the soundbar remote and then adjust
    the listening level coming out of the TV optical port using the TV
    remote?)

    Is it possible to program the TV remote so that it sends IR that the
    soundbar understands?


    Hope that makes sense.

    All optical connections I've used are fixed volume - the source cannot
    adjust the volume on the optical out.


    It's amazing how interoperable some of these smart TVs turn out.

    Fixed audio outputs (either Phono or Optical) is common in my experience.

    It's a problem to owners of soundbars and full featured surround sound systems. Especially prominent with TV manufacturers manipulating the situation to sell their own very compatible soundbar by installing crap TV speakers.

    Their recommended integrated solution is to buy a soundbar with HDMI CEC https://en.wikipedia.org/wiki/Consumer_Electronics_Control

    Or that horrible bluetooth.


    But a workaround strikes me.

    Hack something that can listen to the volume up/down commands of the TV remote and relay it as up/down command commands to the Soundbar.

    A project for a Raspberry Pico and some idle fingers.

    Make enough, flog on eBay/Etsy

    Retire.

    There ye go, Oh yes, I want 51% for a 0.000000001p investment....

    --
    Adrian (Dragon) C

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  • From Brian Gaff (Sofa)@21:1/5 to junk@admac.myzen.co.uk on Fri Feb 18 10:43:27 2022
    Yes its rather like a line level. I guess that its meant to be standard, now all we need is the to stick to it. ahem.
    Brian

    --

    This newsgroup posting comes to you directly from...
    The Sofa of Brian Gaff...
    briang1@blueyonder.co.uk
    Blind user, so no pictures please
    Note this Signature is meaningless.!
    "alan_m" <junk@admac.myzen.co.uk> wrote in message news:j77bf8FivimU1@mid.individual.net...
    On 17/02/2022 13:07, Woody wrote:
    I have a Philips soundbar that has its own remote control. I also have a
    Samsung UE32T5300 smart TV.

    The soundbar will only take plain audio or optical connection.

    If I use the optical connection on the TV (1) does it give sound out and
    (2) is that sound level adjusted by the TV (i.e. so that I can fix the
    level of the soundbar output using the soundbar remote and then adjust
    the listening level coming out of the TV optical port using the TV
    remote?)

    Hope that makes sense.

    All optical connections I've used are fixed volume - the source cannot
    adjust the volume on the optical out.

    --
    mailto : news {at} admac {dot} myzen {dot} co {dot} uk

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  • From Jim Lesurf@21:1/5 to Mark Clayton on Fri Feb 18 12:55:21 2022
    In article <61f14945-eb45-4297-902f-4fb28042340fn@googlegroups.com>, R.
    Mark Clayton <notyalckram@gmail.com> wrote:
    On Thursday, 17 February 2022 at 13:22:51 UTC, Andy Burns wrote:
    Woody wrote:

    If I use the optical connection on the TV (1) does it give sound out
    normally yes, do you see a red LED shining out the TV's TOSlink port?
    is that sound level adjusted by the TV
    usually not

    Agree.

    It's Nature's Way of telling people not to buy 'soundbars' and to buy a
    decent DAC + Amp + Speakers instead. :-)

    Jim

    --
    Please use the address on the audiomisc page if you wish to email me. Electronics https://www.st-andrews.ac.uk/~www_pa/Scots_Guide/intro/electron.htm
    biog http://jcgl.orpheusweb.co.uk/history/ups_and_downs.html
    Audio Misc http://www.audiomisc.co.uk/index.html

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  • From Roger Mills@21:1/5 to Jim Lesurf on Fri Feb 18 13:50:42 2022
    On 18/02/2022 12:55, Jim Lesurf wrote:
    In article <61f14945-eb45-4297-902f-4fb28042340fn@googlegroups.com>, R.
    Mark Clayton <notyalckram@gmail.com> wrote:
    On Thursday, 17 February 2022 at 13:22:51 UTC, Andy Burns wrote:
    Woody wrote:

    If I use the optical connection on the TV (1) does it give sound out
    normally yes, do you see a red LED shining out the TV's TOSlink port?
    is that sound level adjusted by the TV
    usually not

    Agree.

    It's Nature's Way of telling people not to buy 'soundbars' and to buy a decent DAC + Amp + Speakers instead. :-)

    Jim


    How does that help? You still won't be able to control the volume with
    the TV's volume control.
    --
    Cheers,
    Roger

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  • From Roger Mills@21:1/5 to All on Fri Feb 18 13:53:11 2022
    On 18/02/2022 10:47, Brian Gaff (Sofa) wrote:
    Yes and then when you want the computer to operate with the tv as a monitor, you find that the hdmi shoves all the audio through the tv instead of your main audio system so you have to buy a via to hdmi converter and leave the audio unplugged.
    In them old days these would be configurable by a set of switches, set and forget.
    Brian


    You can configure the computer's sound settings to use your maim
    speakers rather than sending it to to HDMI connected device.

    --
    Cheers,
    Roger

    --- SoupGate-Win32 v1.05
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  • From Unsteadyken@21:1/5 to All on Fri Feb 18 15:09:22 2022
    In article <j79mh0F28saU1@mid.individual.net>,

    Roger Mills says...

    How does that help? You still won't be able to control the volume with
    the TV's volume control.


    You will!

    I have an AV Receiver connected to the ARC output of my TV.

    System volume can be controlled by the TV, AV receiver, Sky or Youview.

    --
    Ken

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  • From williamwright@21:1/5 to Jim Lesurf on Fri Feb 18 16:00:20 2022
    On 18/02/2022 12:55, Jim Lesurf wrote:
    In article <61f14945-eb45-4297-902f-4fb28042340fn@googlegroups.com>, R.
    Mark Clayton <notyalckram@gmail.com> wrote:
    On Thursday, 17 February 2022 at 13:22:51 UTC, Andy Burns wrote:
    Woody wrote:

    If I use the optical connection on the TV (1) does it give sound out
    normally yes, do you see a red LED shining out the TV's TOSlink port?
    is that sound level adjusted by the TV
    usually not

    Agree.

    It's Nature's Way of telling people not to buy 'soundbars' and to buy a decent DAC + Amp + Speakers instead. :-)

    Jim

    I know, but the majority have cloth ears and go for neatness.

    Bill

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  • From R. Mark Clayton@21:1/5 to All on Fri Feb 18 11:55:36 2022
    On Friday, 18 February 2022 at 10:47:12 UTC, Brian Gaff (Sofa) wrote:
    Yes and then when you want the computer to operate with the tv as a monitor, you find that the hdmi shoves all the audio through the tv instead of your main audio system so you have to buy a via to hdmi converter and leave the audio unplugged.
    In them old days these would be configurable by a set of switches, set and forget.
    Brian

    --

    SNIP

    Just not so - my PC can send the audio to: -

    Main monitor via DP
    Second Monitor via HDMI
    [front] headphones via socket
    Soundbar via line out
    AV amp in lounge via optical
    Headset via Bluetooth

    moreover I can choose. Indeed some programs like Zoiper and Zoom can use a different audio devices to the main audio.

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  • From Roger Mills@21:1/5 to Unsteadyken on Fri Feb 18 21:31:42 2022
    On 18/02/2022 15:09, Unsteadyken wrote:
    In article <j79mh0F28saU1@mid.individual.net>,

    Roger Mills says...

    How does that help? You still won't be able to control the volume with
    the TV's volume control.


    You will!

    I have an AV Receiver connected to the ARC output of my TV.

    System volume can be controlled by the TV, AV receiver, Sky or Youview.


    Fair enough, but I took the previous poster's comment to mean that he
    was using the TV's optical output. Am I mistaken?
    --
    Cheers,
    Roger

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  • From BrightsideS9@21:1/5 to unsteadyken@gmail.com on Fri Feb 18 22:43:14 2022
    On Fri, 18 Feb 2022 15:09:22 -0000, Unsteadyken
    <unsteadyken@gmail.com> wrote:

    In article <j79mh0F28saU1@mid.individual.net>,

    Roger Mills says...

    How does that help? You still won't be able to control the volume with
    the TV's volume control.


    You will!

    I have an AV Receiver connected to the ARC output of my TV.

    System volume can be controlled by the TV, AV receiver, Sky or Youview.

    Heres what I get.
    Topfield (SD) recorder, via scart to Samsung TV, to Samsung sound bar
    from optical TV out, can have volume controlled by Topfield (when
    playing back), TV, or sound bar remotes.


    ROSS sat receiver, to Samsung TV HDMI socket, from TV optical out to
    Samsung sound bar, can have volume controlled by any of those remotes
    (wnen watching sat. programs).

    --
    brightside S9

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  • From Unsteadyken@21:1/5 to All on Sat Feb 19 05:11:24 2022
    In article <j7ahhbF7e39U1@mid.individual.net>,

    Roger Mills says...

    Fair enough, but I took the previous poster's comment to mean that he
    was using the TV's optical output. Am I mistaken?


    The OP asked whether the TOslink output level could be varied by the TV.
    The general consensus was that it could not.
    Jim suggested connecting a decent audio system to the TV to enable this.
    You replied that this would still not give TV control of output volume.
    I replied saying that using HDMI ARC it was possible.



    --
    Ken

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  • From Jim Lesurf@21:1/5 to mills37.fslife@gmail.com on Fri Feb 18 15:31:34 2022
    In article <j79mh0F28saU1@mid.individual.net>, Roger Mills <mills37.fslife@gmail.com> wrote:

    How does that help? You still won't be able to control the volume with
    the TV's volume control.

    But you can with a DAC or amp that has this as remote controllable. And
    with a good example, this avoids any loss extra due to the limits of spdif.

    Jim

    --
    Please use the address on the audiomisc page if you wish to email me. Electronics https://www.st-andrews.ac.uk/~www_pa/Scots_Guide/intro/electron.htm
    biog http://jcgl.orpheusweb.co.uk/history/ups_and_downs.html
    Audio Misc http://www.audiomisc.co.uk/index.html

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  • From Roderick Stewart@21:1/5 to mills37.fslife@gmail.com on Sat Feb 19 12:03:09 2022
    On Fri, 18 Feb 2022 13:53:11 +0000, Roger Mills
    <mills37.fslife@gmail.com> wrote:

    On 18/02/2022 10:47, Brian Gaff (Sofa) wrote:
    Yes and then when you want the computer to operate with the tv as a monitor, >> you find that the hdmi shoves all the audio through the tv instead of your >> main audio system so you have to buy a via to hdmi converter and leave the >> audio unplugged.
    In them old days these would be configurable by a set of switches, set and >> forget.
    Brian


    You can configure the computer's sound settings to use your maim
    speakers rather than sending it to to HDMI connected device.

    You can also configure the TV so its sound is permanently off and only
    use it as a video display, with all picture and sound signals from
    external boxes, which you can control as you like.

    I've found that the Nvidia Shield remote can control a Cambridge Audio
    hi-fi amplifier (by infrared) as well as its own device (by Bluetooth)
    so most of the time I only need one remote on the coffee table.

    Some of the Amazon remotes offer the same facility, but I've had no
    success in making one work with a hi-fi amplifier. They seem to think
    everybody uses a TV for sound. The Nvidia setup was childishly easy.

    Rod.

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  • From R. Mark Clayton@21:1/5 to Roderick Stewart on Sat Feb 19 04:21:23 2022
    On Saturday, 19 February 2022 at 12:03:12 UTC, Roderick Stewart wrote:
    On Fri, 18 Feb 2022 13:53:11 +0000, Roger Mills
    <mills37...@gmail.com> wrote:

    On 18/02/2022 10:47, Brian Gaff (Sofa) wrote:
    Yes and then when you want the computer to operate with the tv as a monitor,
    you find that the hdmi shoves all the audio through the tv instead of your >> main audio system so you have to buy a via to hdmi converter and leave the >> audio unplugged.
    In them old days these would be configurable by a set of switches, set and >> forget.
    Brian


    You can configure the computer's sound settings to use your maim
    speakers rather than sending it to to HDMI connected device.
    You can also configure the TV so its sound is permanently off and only
    use it as a video display, with all picture and sound signals from
    external boxes, which you can control as you like.

    I've found that the Nvidia Shield remote can control a Cambridge Audio
    hi-fi amplifier (by infrared) as well as its own device (by Bluetooth)
    so most of the time I only need one remote on the coffee table.

    Some of the Amazon remotes offer the same facility, but I've had no
    success in making one work with a hi-fi amplifier. They seem to think everybody uses a TV for sound. The Nvidia setup was childishly easy.

    Rod.

    Indeed. For routine programs (e.g. news) I use the TV's acceptable sound, if I am watching a film, music festival or major sporting event then I use the AV amp [via optical] and mute the sound in the TV.

    --- SoupGate-Win32 v1.05
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  • From Unsteadyken@21:1/5 to All on Sat Feb 19 12:40:36 2022
    In article <59bcbec9d6noise@audiomisc.co.uk>,

    Jim Lesurf says...


    But you can with a DAC or amp that has this as remote controllable. And
    with a good example, this avoids any loss extra due to the limits of spdif.


    I have three devices which are switchable between Stereo 2.0 PCM and
    Surround 5.1 Dolby Digital

    When set to Stereo all 3 allow control of the Optical output level.

    When set to Surround all 3 set a fixed output level.
    This fixed level is noticeably lower in volume than variable.

    Can the volume of a DD stream be altered? It strikes me that delving
    into a DD audio stream; changing the levels of 6 channels, then
    reconstructing the stream for optical output would not be a trivial
    exercise.

    Could it be implemented economically and practically on a TV to cope
    with huge amount Dolby Digital broadcasts these days?

    BBC1 fitba and BBC2 limpics are both DD 3/2/0.1 640 kbps as I type.





    --
    Ken

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  • From Jim Lesurf@21:1/5 to unsteadyken@gmail.com on Sat Feb 19 11:13:00 2022
    In article <MPG.3c7a8c57712746719897b5@News.Individual.NET>,
    Unsteadyken
    <unsteadyken@gmail.com> wrote:

    The OP asked whether the TOslink output level could be varied by the TV.
    The general consensus was that it could not. Jim suggested connecting a decent audio system to the TV to enable this. You replied that this
    would still not give TV control of output volume. I replied saying that
    using HDMI ARC it was possible.

    FWIW despite industry attempts to prevent it you can still buy devices that will pass though HDMI and strip out a copy of the audio to provide an
    optical or coax spdif output. I have a couple that get occasional use. The
    main difficulty is that makers sometimes are wary of openly specifying
    this. Particularly if they will give output at 'high rez' rates or
    surround, etc.

    Jim

    --
    Please use the address on the audiomisc page if you wish to email me. Electronics https://www.st-andrews.ac.uk/~www_pa/Scots_Guide/intro/electron.htm
    biog http://jcgl.orpheusweb.co.uk/history/ups_and_downs.html
    Audio Misc http://www.audiomisc.co.uk/index.html

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  • From Roderick Stewart@21:1/5 to noise@audiomisc.co.uk on Sat Feb 19 20:16:43 2022
    On Sat, 19 Feb 2022 11:13:00 +0000 (GMT), Jim Lesurf
    <noise@audiomisc.co.uk> wrote:

    FWIW despite industry attempts to prevent it you can still buy devices that >will pass though HDMI and strip out a copy of the audio to provide an
    optical or coax spdif output. I have a couple that get occasional use.

    I have one I use every day. Mine has RCA phono outputs. It's inserted
    in the signal feed after a 5-way HDMI selector switch. You can buy
    them on Amazon. Search for "HDMI audio extractor"

    Rod.

    --- SoupGate-Win32 v1.05
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  • From Jim Lesurf@21:1/5 to unsteadyken@gmail.com on Sat Feb 19 17:13:41 2022
    In article <MPG.3c7af59d1c5b0b1a9897b6@News.Individual.NET>,
    Unsteadyken
    <unsteadyken@gmail.com> wrote:
    In article <59bcbec9d6noise@audiomisc.co.uk>,

    Jim Lesurf says...


    But you can with a DAC or amp that has this as remote controllable.
    And with a good example, this avoids any loss extra due to the limits
    of spdif.


    I have three devices which are switchable between Stereo 2.0 PCM and
    Surround 5.1 Dolby Digital

    When set to Stereo all 3 allow control of the Optical output level.

    When set to Surround all 3 set a fixed output level. This fixed level is noticeably lower in volume than variable.

    My own comments/experience are based on having zero interest in 'surround sound', so I cannae help with that in any detail.

    Can the volume of a DD stream be altered? It strikes me that delving
    into a DD audio stream; changing the levels of 6 channels, then reconstructing the stream for optical output would not be a trivial
    exercise.

    The key is being able to decode DD. For openly accessible formats then utilities like the ffmpeg family can change the levels or mixdowns.

    Could it be implemented economically and practically on a TV to cope
    with huge amount Dolby Digital broadcasts these days?

    You'd have to ask the makers of TVs. I do sometimes play AV files that have surround sound, but it is mixed down to stereo using software that plays
    it, not the TV.

    BBC1 fitba and BBC2 limpics are both DD 3/2/0.1 640 kbps as I type.


    sport == yawn from my POV. :-)

    Jim

    --
    Please use the address on the audiomisc page if you wish to email me. Electronics https://www.st-andrews.ac.uk/~www_pa/Scots_Guide/intro/electron.htm
    biog http://jcgl.orpheusweb.co.uk/history/ups_and_downs.html
    Audio Misc http://www.audiomisc.co.uk/index.html

    --- SoupGate-Win32 v1.05
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  • From Unsteadyken@21:1/5 to All on Sun Feb 20 15:43:29 2022
    In article <59bd4bf933noise@audiomisc.co.uk>,

    Jim Lesurf says...


    BBC1 fitba and BBC2 limpics are both DD 3/2/0.1 640 kbps as I type.


    sport == yawn from my POV. :-)

    Maybe so, but 5.1 has become standard for all sports.
    Not to mention: The Proms, Vienna Christmas concerts, all movies, most documentaries and a great deal of drama.
    Even the We can't show HD in your area caption is occasionally
    accompanied by a very well done street scene with kids playing and dogs barking.

    The future is 5.1. Get with it Jim, I'm sure you can find another 3
    Quads on eBay , a nice sub-woofer and you will be in audiophile
    heaven:-)
    Once you've figured out where to place the centre speaker, that is...
    Try hanging it from the ceiling.

    I first heard about Quads when I were a lad and at a jumble sale came
    across a copy of Hi-fi for pleasure: A guide to equipment by Burnett-
    James.

    The first edition had been published in 1955. My 6d got me the 2nd
    edition from 1957. In the introduction B-J explained rhe reason for the rewrite...
    He had recently heard Quad ELS 57s, was entranced by the sound and was convinced that this was the death knell for moving coil speakers. no
    more monkey coffins! ELS were the future and would eventually take over
    the world.
    He even went so far as to suggest they would be ideal for in-car use, proposing that suitably shaped ESLs could replace the seats.

    A project for you Jim?






    --
    Ken

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  • From Jim Lesurf@21:1/5 to rjfs@escapetime.myzen.co.uk on Sun Feb 20 10:20:09 2022
    In article <3oj21h9crck0u62bf2po1ffgo4tebl96bn@4ax.com>, Roderick Stewart <rjfs@escapetime.myzen.co.uk> wrote:
    On Sat, 19 Feb 2022 11:13:00 +0000 (GMT), Jim Lesurf
    <noise@audiomisc.co.uk> wrote:

    FWIW despite industry attempts to prevent it you can still buy devices
    that will pass though HDMI and strip out a copy of the audio to provide
    an optical or coax spdif output. I have a couple that get occasional
    use.

    I have one I use every day. Mine has RCA phono outputs. It's inserted in
    the signal feed after a 5-way HDMI selector switch. You can buy them on Amazon. Search for "HDMI audio extractor"

    Anyone buying one should note, though, that some may limit their non-HDMI
    audio output via spdif to basic sample rate stereo. i.e. prevent extraction
    / capture of high sample rate or surround via coax or optical.

    Jim

    --
    Please use the address on the audiomisc page if you wish to email me. Electronics https://www.st-andrews.ac.uk/~www_pa/Scots_Guide/intro/electron.htm
    biog http://jcgl.orpheusweb.co.uk/history/ups_and_downs.html
    Audio Misc http://www.audiomisc.co.uk/index.html

    --- SoupGate-Win32 v1.05
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  • From Roderick Stewart@21:1/5 to noise@audiomisc.co.uk on Mon Feb 21 13:19:47 2022
    On Sun, 20 Feb 2022 10:20:09 +0000 (GMT), Jim Lesurf
    <noise@audiomisc.co.uk> wrote:

    In article <3oj21h9crck0u62bf2po1ffgo4tebl96bn@4ax.com>, Roderick Stewart ><rjfs@escapetime.myzen.co.uk> wrote:
    On Sat, 19 Feb 2022 11:13:00 +0000 (GMT), Jim Lesurf
    <noise@audiomisc.co.uk> wrote:

    FWIW despite industry attempts to prevent it you can still buy devices
    that will pass though HDMI and strip out a copy of the audio to provide
    an optical or coax spdif output. I have a couple that get occasional
    use.

    I have one I use every day. Mine has RCA phono outputs. It's inserted in
    the signal feed after a 5-way HDMI selector switch. You can buy them on
    Amazon. Search for "HDMI audio extractor"

    Anyone buying one should note, though, that some may limit their non-HDMI >audio output via spdif to basic sample rate stereo. i.e. prevent extraction
    / capture of high sample rate or surround via coax or optical.

    Jim

    True. Mine has a switch on the front to select different modes, but as
    I've never been able to make use of anything other than 2 channel
    analogue stereo for a standard hi-fi amplifier, I've just selected the
    switch combination that works with all my AV sources. I don't really
    know what the other settings do but in my situation it doesn't matter
    because what I have sounds absolutely fine to me.

    I think 2 channel audio is likely to be a baseline capability that
    they all have, and most if not all seem to have either RCA phono
    outlets or a 3.5mm stereo jack, so should work with standard hi-fi.

    Rod.

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  • From Jim Lesurf@21:1/5 to unsteadyken@gmail.com on Mon Feb 21 11:02:48 2022
    In article <MPG.3c7c71f9391b271e9897b7@News.Individual.NET>,
    Unsteadyken
    <unsteadyken@gmail.com> wrote:

    Maybe so, but 5.1 has become standard for all sports. Not to mention:
    The Proms, Vienna Christmas concerts, all movies, most documentaries
    and a great deal of drama. Even the We can't show HD in your area
    caption is occasionally accompanied by a very well done street scene
    with kids playing and dogs barking.

    The future is 5.1. Get with it Jim, I'm sure you can find another 3
    Quads on eBay , a nice sub-woofer and you will be in audiophile
    heaven:-)

    Nope. Surround sound - particularly via lossy compression - is far from "audiophile heaven" when it comes to music. I've tried various surround
    systems - starting with the discrete one at KW many decades ago[1]. TBH the best was that KW one - in an acoustic chamber that had symmetric and
    carefully planned acoustics with no furniture except the listening seats.

    All other surround systems I've heard gave poorer images than decent
    stereo. And are far harder to get even satisfactory in normal domestic
    rooms.

    But of course surround can be pretty impressive on first hearing,
    particularly with larded on level compression and thumping bass. So no
    surprise that it sells, particularly via action films, rock music, etc.

    [1] The BBC were trying to get us to make and sell a decoder for the old systems, so wanted to show off what they could sound like.

    Jim

    --
    Please use the address on the audiomisc page if you wish to email me. Electronics https://www.st-andrews.ac.uk/~www_pa/Scots_Guide/intro/electron.htm
    biog http://jcgl.orpheusweb.co.uk/history/ups_and_downs.html
    Audio Misc http://www.audiomisc.co.uk/index.html

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  • From Jim Lesurf@21:1/5 to rjfs@escapetime.myzen.co.uk on Mon Feb 21 16:21:32 2022
    In article <hr371h5er137suvhpf2im525aj0lvsqid8@4ax.com>, Roderick Stewart <rjfs@escapetime.myzen.co.uk> wrote:
    Anyone buying one should note, though, that some may limit their
    non-HDMI audio output via spdif to basic sample rate stereo. i.e.
    prevent extraction / capture of high sample rate or surround via coax
    or optical.

    Jim

    True. Mine has a switch on the front to select different modes, but as
    I've never been able to make use of anything other than 2 channel
    analogue stereo for a standard hi-fi amplifier, I've just selected the
    switch combination that works with all my AV sources. I don't really
    know what the other settings do but in my situation it doesn't matter
    because what I have sounds absolutely fine to me.

    I think 2 channel audio is likely to be a baseline capability that they
    all have, and most if not all seem to have either RCA phono outlets or a 3.5mm stereo jack, so should work with standard hi-fi.

    The industry has tried to arrange that HDMI -> spdif (coax or optical) splitters/switches only work for 44.1k/48k stereo output from the spdif.
    This is because the vendors of items like Blue Ray discs that offer higher resolution and surround want that kept behind their paywall.

    So many splitter (and TVs) have this limit. They'll pass on the HDMI but
    only stereo base-rate out of spdif.

    Fortunately, some switches, etc, *do* allow you to get out the higher rate, etc, audio as a spdif stream. But they may not advertise this detail.

    One of the main points of HDMI for the content owners is to control access
    that content. As with SACD they want to block people ripping. They failed
    with DVD, but are still trying with HD and BD.

    Jim

    --
    Please use the address on the audiomisc page if you wish to email me. Electronics https://www.st-andrews.ac.uk/~www_pa/Scots_Guide/intro/electron.htm
    biog http://jcgl.orpheusweb.co.uk/history/ups_and_downs.html
    Audio Misc http://www.audiomisc.co.uk/index.html

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  • From Roderick Stewart@21:1/5 to noise@audiomisc.co.uk on Tue Feb 22 09:52:34 2022
    On Mon, 21 Feb 2022 16:21:32 +0000 (GMT), Jim Lesurf
    <noise@audiomisc.co.uk> wrote:

    The industry has tried to arrange that HDMI -> spdif (coax or optical) >splitters/switches only work for 44.1k/48k stereo output from the spdif.
    This is because the vendors of items like Blue Ray discs that offer higher >resolution and surround want that kept behind their paywall.

    If that's the case it's effectively pointless. I wonder how many
    domestic situations permit the proper placing of six loudspeakers, how
    many viewers could sit where they could hear them properly, and how
    many of those would appreciate the difference? It's uncommon enough
    even to use a two channel stereo system with TV, never mind six.

    Rod.

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  • From Bob Latham@21:1/5 to Roderick Stewart on Tue Feb 22 11:52:14 2022
    In article <l5c91h58aa77ie8tn6u5tg0oa05gsm5hjq@4ax.com>,
    Roderick Stewart <rjfs@escapetime.myzen.co.uk> wrote:

    If that's the case it's effectively pointless. I wonder how many
    domestic situations permit the proper placing of six loudspeakers,
    how many viewers could sit where they could hear them properly, and
    how many of those would appreciate the difference? It's uncommon
    enough even to use a two channel stereo system with TV, never mind
    six.

    We have a 5.1 system which we use with a projector and very, very
    rarely with a TV. For most purposes a Denon mini stereo system is
    really good with the TV which we prefer to soundbars. The Denon isn't
    power hungry but the 7 channel power amp is.

    However, watching films with just two speakers means the dialogue
    centre channel is passed to the front left/right in phantom mode
    which we found suffers the problem of either the dialogue is too
    quiet or the "effects" are way too loud. In that, a centre speaker is
    a big improvement and you can adjust that balance.

    What also concerned us was the weight of very low frequency energy
    pushed to the main speakers by films. My KEFs were never designed for earthquake reproduction and they were built more than 40 years ago, I
    didn't want to damage them. To protect them we got a sub woofer (BK
    monolith). Now, in 5.1 mode everything below 40Hz goes to the house
    shaker box and not the KEFs.

    When it comes to music. The big KEFs are way better than the mini
    system just in stereo and I'm not generally too impressed with 5.1 on
    music but I have seen one or two music movies which were
    'entertaining' in 5.1.

    Bob.

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  • From Jim Lesurf@21:1/5 to rjfs@escapetime.myzen.co.uk on Tue Feb 22 10:16:05 2022
    In article <l5c91h58aa77ie8tn6u5tg0oa05gsm5hjq@4ax.com>, Roderick Stewart <rjfs@escapetime.myzen.co.uk> wrote:
    On Mon, 21 Feb 2022 16:21:32 +0000 (GMT), Jim Lesurf
    <noise@audiomisc.co.uk> wrote:

    The industry has tried to arrange that HDMI -> spdif (coax or optical) >splitters/switches only work for 44.1k/48k stereo output from the
    spdif. This is because the vendors of items like Blue Ray discs that
    offer higher resolution and surround want that kept behind their
    paywall.

    If that's the case it's effectively pointless. I wonder how many
    domestic situations permit the proper placing of six loudspeakers, how
    many viewers could sit where they could hear them properly, and how many
    of those would appreciate the difference? It's uncommon enough even to
    use a two channel stereo system with TV, never mind six.

    You may well be right. Similarly, the limit is to prevent the digital extraction of audio tracks at sample rates > 48k as this is 'high res'
    audio which is regarded as a 'premium product'. The music biz is quite keen
    on this being restricted. However in reality it is doubtful if any audio content above about 22kHz contributes much to listening anyway. But people
    in audio commonly believe it does, regardless.

    Hence the rise of bonkers schemes (in audio terms) like 'MQA' which hide
    this 'valuable' (in a monetary sense) extra info behind a paywall.

    Jim

    --
    Please use the address on the audiomisc page if you wish to email me. Electronics https://www.st-andrews.ac.uk/~www_pa/Scots_Guide/intro/electron.htm
    biog http://jcgl.orpheusweb.co.uk/history/ups_and_downs.html
    Audio Misc http://www.audiomisc.co.uk/index.html

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  • From Roderick Stewart@21:1/5 to bob@sick-of-spam.invalid on Tue Feb 22 13:40:28 2022
    On Tue, 22 Feb 2022 11:52:14 +0000 (GMT), Bob Latham
    <bob@sick-of-spam.invalid> wrote:

    In article <l5c91h58aa77ie8tn6u5tg0oa05gsm5hjq@4ax.com>,
    Roderick Stewart <rjfs@escapetime.myzen.co.uk> wrote:

    If that's the case it's effectively pointless. I wonder how many
    domestic situations permit the proper placing of six loudspeakers,
    how many viewers could sit where they could hear them properly, and
    how many of those would appreciate the difference? It's uncommon
    enough even to use a two channel stereo system with TV, never mind
    six.

    We have a 5.1 system which we use with a projector and very, very
    rarely with a TV. For most purposes a Denon mini stereo system is
    really good with the TV which we prefer to soundbars. The Denon isn't
    power hungry but the 7 channel power amp is.

    However, watching films with just two speakers means the dialogue
    centre channel is passed to the front left/right in phantom mode
    which we found suffers the problem of either the dialogue is too
    quiet or the "effects" are way too loud. In that, a centre speaker is
    a big improvement and you can adjust that balance.

    What also concerned us was the weight of very low frequency energy
    pushed to the main speakers by films. My KEFs were never designed for >earthquake reproduction and they were built more than 40 years ago, I
    didn't want to damage them. To protect them we got a sub woofer (BK >monolith). Now, in 5.1 mode everything below 40Hz goes to the house
    shaker box and not the KEFs.

    When it comes to music. The big KEFs are way better than the mini
    system just in stereo and I'm not generally too impressed with 5.1 on
    music but I have seen one or two music movies which were
    'entertaining' in 5.1.

    Bob.

    Fair enough, but my pair of Bowers and Wilkins loudspeakers purchased
    in 1971 and through which I've played all my music and TV sound since
    then, appears to be coping reasonably well. They're capable of making explosions sound imposing but also capable of making speech
    intelligible at low volume levels, which is one of the reasons I chose
    them. If I can't make out what an actor is saying, they're mumbling,
    so I switch on the subtitles.

    Rod.

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  • From Bob Latham@21:1/5 to Roderick Stewart on Tue Feb 22 14:27:17 2022
    In article <9gp91hd5q0j10jdbmlolgokniot4qrkk3q@4ax.com>,
    Roderick Stewart <rjfs@escapetime.myzen.co.uk> wrote:

    Fair enough, but my pair of Bowers and Wilkins loudspeakers
    purchased in 1971 and through which I've played all my music and TV
    sound since then, appears to be coping reasonably well.

    Same for my KEFs purchased 1978. I've thrown all sorts at them and
    loud and never blown so much as a fuse. I have replaced the
    elctrolytics though some years ago and thinking about it, they'll be
    due again before long. Capacitor performance goes off slowly and you
    don't notice how far things have gone off until you replace them.

    They're capable of making explosions sound imposing but also
    capable of making speech intelligible at low volume levels,

    Yes same here.

    which is one of the reasons I chose them.

    I purchased my KEFs mostly due to their imaging ability which FOR ME,
    remains unsurpassed to this day. Not perfect in other ways like
    speed, bextrene cones are very durable but have too much mass. I
    doubt I'll ever change them but I was tempted for a while by Blade,
    actually I still am but I'm resisting.

    If I can't make out what an actor is saying, they're mumbling, so I
    switch on the subtitles.

    Each to their own.

    Bob.


    Rod.

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  • From R. Mark Clayton@21:1/5 to Roderick Stewart on Wed Feb 23 07:36:45 2022
    On Tuesday, 22 February 2022 at 09:52:37 UTC, Roderick Stewart wrote:
    On Mon, 21 Feb 2022 16:21:32 +0000 (GMT), Jim Lesurf
    <no...@audiomisc.co.uk> wrote:

    The industry has tried to arrange that HDMI -> spdif (coax or optical) >splitters/switches only work for 44.1k/48k stereo output from the spdif. >This is because the vendors of items like Blue Ray discs that offer higher >resolution and surround want that kept behind their paywall.
    If that's the case it's effectively pointless. I wonder how many
    domestic situations permit the proper placing of six loudspeakers, how
    many viewers could sit where they could hear them properly, and how
    many of those would appreciate the difference? It's uncommon enough
    even to use a two channel stereo system with TV, never mind six.

    Rod.

    Well mine are pretty well placed, albeit the sub-woofer is in a corner (but that does not matter). There is a small problem at high volume of resonance between the front's and rears, but I can revert to stereo for that as most music is only stereo
    anyway.

    Even Dolby pro-logic had appreciably better results on film sound tracks than stereo, with the dialogue in the centre, score on left and right and background sounds on the rears.

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  • From pinnerite@21:1/5 to Bob Latham on Tue Apr 19 18:16:17 2022
    On Tue, 22 Feb 2022 14:27:17 +0000 (GMT)
    Bob Latham <bob@sick-of-spam.invalid> wrote:

    In article <9gp91hd5q0j10jdbmlolgokniot4qrkk3q@4ax.com>,
    Roderick Stewart <rjfs@escapetime.myzen.co.uk> wrote:

    Fair enough, but my pair of Bowers and Wilkins loudspeakers
    purchased in 1971 and through which I've played all my music and TV
    sound since then, appears to be coping reasonably well.

    Same for my KEFs purchased 1978. I've thrown all sorts at them and
    loud and never blown so much as a fuse. I have replaced the
    elctrolytics though some years ago and thinking about it, they'll be
    due again before long. Capacitor performance goes off slowly and you
    don't notice how far things have gone off until you replace them.

    They're capable of making explosions sound imposing but also
    capable of making speech intelligible at low volume levels,

    Yes same here.

    which is one of the reasons I chose them.

    I purchased my KEFs mostly due to their imaging ability which FOR ME,
    remains unsurpassed to this day. Not perfect in other ways like
    speed, bextrene cones are very durable but have too much mass. I
    doubt I'll ever change them but I was tempted for a while by Blade,
    actually I still am but I'm resisting.

    If I can't make out what an actor is saying, they're mumbling, so I
    switch on the subtitles.

    Each to their own.

    Bob.


    Rod.


    I also have KEFs (Chorale IIIs). I remmber reading that the speakers
    should be turned upside down from time to time to offset the effects of gravity.

    Alan


    --
    Mint 20.3, kernel 5.4.0-104-generic, Cinnamon 5.2.7
    running on an AMD Phenom II X4 Black edition processor with 16GB of
    DRAM.

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  • From Roderick Stewart@21:1/5 to All on Wed Apr 20 08:05:38 2022
    On Tue, 19 Apr 2022 18:16:17 +0100, pinnerite <pinnerite@gmail.com>
    wrote:

    [...]
    I also have KEFs (Chorale IIIs). I remmber reading that the speakers
    should be turned upside down from time to time to offset the effects of >gravity.

    I haven't needed to do this with my Bowers & Wilkins loudspeakers, as
    they're upside down already - the tweeters are at the bottom and the
    woofers are at the top. In the half century or so since I purchased
    them, gravity has probably had more effect on me than the speakers.

    Rod.

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  • From Bob Latham@21:1/5 to pinnerite on Wed Apr 20 09:02:51 2022
    In article <20220419181617.acf2f0dc2adf0edacfd71973@gmail.com>,
    pinnerite <pinnerite@gmail.com> wrote:

    I also have KEFs (Chorale IIIs). I remmber reading that the
    speakers should be turned upside down from time to time to offset
    the effects of gravity.

    I have also read that in the past. The theory being that the cone
    will sag and the voice coil will start to rub on the magnet due to
    being off centre. All I can say is that mine have never been rotated
    and have never shown signs of sagging or rubbing, I would imagine the likelihood of this depends on the build quality of the drive units.

    Bob.

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  • From Jeff Gaines@21:1/5 to Roderick Stewart on Wed Apr 20 07:46:38 2022
    On 20/04/2022 in message <erbv5h1rgljg15h8uspm1nntua8f6fo4mh@4ax.com>
    Roderick Stewart wrote:

    In the half century or so since I purchased
    them, gravity has probably had more effect on me than the speakers.

    Ain't that the truth, I haven't seen the old boy for years, have to go by
    feel :-)

    --
    Jeff Gaines Dorset UK
    640k ought to be enough for anyone.
    (Bill Gates, 1981)

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  • From Bob Latham@21:1/5 to Roderick Stewart on Wed Apr 20 09:16:26 2022
    In article <erbv5h1rgljg15h8uspm1nntua8f6fo4mh@4ax.com>,
    Roderick Stewart <rjfs@escapetime.myzen.co.uk> wrote:
    On Tue, 19 Apr 2022 18:16:17 +0100, pinnerite <pinnerite@gmail.com>
    wrote:

    [...]
    I also have KEFs (Chorale IIIs). I remmber reading that the
    speakers should be turned upside down from time to time to offset
    the effects of gravity.

    I haven't needed to do this with my Bowers & Wilkins loudspeakers,
    as they're upside down already - the tweeters are at the bottom and
    the woofers are at the top.

    I don't think that's the same thing. Drive units are sometimes
    mounted with tweeter at the bottom for acoustic reasons nothing to do
    with sag. If a line is drawn between the acoustic centres of the
    drive units and then a perpendicular line is drawn to that line, this
    new line will tend upwards in an inverted speaker and downwards in a conventional speaker. This is sometimes intended by the designer. Alternatively, you can mount the drive units displaced horizontally
    and in individual enclosures with narrow and rounded fronts to
    optimise dispersion and imaging as my KEFs do.

    Rotating the drive unit (not the whole speaker) is for an entirely
    different purpose.

    Bob.

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  • From Unsteadyken@21:1/5 to All on Wed Apr 20 09:28:14 2022
    In article <erbv5h1rgljg15h8uspm1nntua8f6fo4mh@4ax.com>,

    Roderick Stewart says...

    I haven't needed to do this with my Bowers & Wilkins loudspeakers, as
    they're upside down already


    The advice was not to rotate the entire speaker but only applied to
    large heavy drive units which could sag on their suspension and cause
    rubbing in the voice coil gap

    I had a pair of Leak 2060s, which needed this treatment occasionally.

    The bass unit was a the 12" Leak Sandwich cone which had an oiled/waxed
    fabric surround and over time that the bass unit sagged quite
    noticeably.
    I never heard any evidence of rubbing but rotated the drivers every
    couple of years just to be on the safe side and it looked unsightly.
    I used them grills off as the grill fabric was a thick loosely woven
    plastic material (Tygan?) which had an obvious muffling effect.




    --
    Ken

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  • From R. Mark Clayton@21:1/5 to pinnerite on Wed Apr 20 04:00:00 2022
    On Tuesday, 19 April 2022 at 18:16:19 UTC+1, pinnerite wrote:

    SNIP


    I also have KEFs (Chorale IIIs). I remmber reading that the speakers
    should be turned upside down from time to time to offset the effects of gravity.

    Alan


    You should not believe the old wives tales you read in some of the more OTT Hi-Fi mags. I did this and my speakers are now on the ceiling...

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  • From Roderick Stewart@21:1/5 to unsteadyken@gmail.com on Wed Apr 20 16:35:21 2022
    On Wed, 20 Apr 2022 09:28:14 +0100, Unsteadyken
    <unsteadyken@gmail.com> wrote:

    The advice was not to rotate the entire speaker but only applied to
    large heavy drive units which could sag on their suspension and cause
    rubbing in the voice coil gap

    That only seems to happen about once per house move, possibly
    something to do with changes in humidity, or maybe the units being
    knocked slightly out of true during transport.

    I've had no bother with it for at least the last ten years, but I know
    what a bass cone rubbing sounds like and can easily deal with it. On
    one of the sound effects records I've collected from various places
    over the years there's an Irish bodhran track that's nearly all bass
    and makes it particularly easy to adjust by slightly loosening and
    tighening the screws that hold the drive unit into the cabinet.

    Rod.

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