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In Reply to: RE: Absolute Sound/ Bonsai posted by John Atkinson on March 12, 2017 at 10:16:09
Then the 'high end listening rooms' in most if not all stereo stores on this earth are 'Helmholtz Hell Spaces'. :-)
That's why I like the dealers I go to - they knew this decades ago and set-up the rooms properly. You want to listen to different speakers - they take the ones in the room out and bring in the next pair. Not flip a selector switch. But let's be practical here - people have home theater and in theory the front left and right speakers (and or the sub) will get the center channel and rear speakers vibrating.
And indeed, with most speakers rather poorly pair matched - the left speaker could make the right speaker vibrate out of step as well.
Walking into most showrooms or audio shows the first thing you do is stand against a wall and clap your hands - if you hear ANY kind of an echo - the room sucks. (Clap Echo test). No echo and the room is probably decent enough without an immediate need for room treatments (perhaps none).
That's certainly the case of almost every dealer's demonstration room that I have been to in the USA.
However not every one on this Earth. If you crossed the Atlantic to the UK most (all?) high end dealers will only have the pair of speakers that you are auditioning in the space. Which is one reason why serious auditions here are by appointment so that they can set up the system.
If you want to compare , say, a couple of speakers, the second pair will be held nearby in e.g. an ante room to swap in with the first being removed.
This has been the situation for the last 30+ years.
> Then the 'high end listening rooms' in most if not all stereo stores on
> this earth are 'Helmholtz Hell Spaces'. :-)
It was a high-end dealer who first told me about the shorting the speaker
terminals tweak 40 years ago. But when it comes to big-box stores, you are
Maybe the stores I've been too aren't quite classy enough, but I've never been in a stereo store that has ONLY the single pair of speakers in the room during an audition. Sure, the better stores generally aren't wall-to-wall speakers, but usually there is at least a couple of pairs present.
Interestingly, I have two acoustic guitars in my listening room at home and from time to time I will hear them ring in sympathy with the music I'm playing, but can't say it has ever really bothered me. But, while I enjoy good sound, I gave up being an obsessed purist a long time ago. Its a lot more fun these days to just enjoy the music.
Many things in the room will resonate, shelving, dishes,
windows, lamps, cabinets, walls, ceilings, on and on. If you did a slow
audio gen. sweep, at volume, you'd notice things buzzing/ringing at many
frequency's. Try shorting THAT out :)
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