Custom dedicated audio room owners unite!

Should EMF and RFI interference be a consideration in building a dedicated room? I once designed/built a data center that was next to high power lines. IT dept was concerned about frequency interference in the Telecom demarc rooms. However, the engineers said you would have to identify the interference frequency before a copper mesh could be installed, as the frequency dictated the mesh spread. Someone came up with the idea of installing lead-lined sheet-rock used in xray rooms, which we did...

Excellent point - RFI has a very wide bandwidth - many orders of magnitude - and in order to attack such problem we should identify the target zone of the spectra. The Telecom engineers were competent. But here we have a problem - we have no physical model or studies about the subjective effects of RFI in stereo sound reproduction. Even the interference coming with mains power is poorly understood. Hundreds of kilohertz? MHz? GHz? Who knows?

At some time in the past I tried screening my whole system, cables included, with aluminum foil, connecting it to a good ground point. I and other people who listened to the experiment found that it made the system sound lifeless, I gave up on screening ideas!
 
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My usual listening environmentView attachment 118005
Nope, I don’t believe it. While it is indeed a peaceful and calming looking place, there are no speaker cables. It looks like a Wilson speaker advertisement—they never show speaker cables! ;)
 
My room is finally complete. Very pleased with how everything is coming together View attachment 118007
First off, congratulations!!!

I know you haven't had much time with the room/components yet....are you pleased with the results thus far? It looks very welcoming and (in theory) very well acoustically treated...

Tom
 
Nope, I don’t believe it. While it is indeed a peaceful and calming looking place, there are no speaker cables. It looks like a Wilson speaker advertisement—they never show speaker cables! ;)
The funny thing is that after installing the hifi to be as discreet as possible she asked if I could get rid of the speaker cables. I advised that wouldn't really work, but by rotating the rug they went underneath and - hey presto! Plus the speakers are still in the position designated by my Wilson-trained dealer.

Meanwhile, she's on a flight from New York to London, do I take credit?

IMG_1C01B9877FD8-1.jpeg
 
I love the aesthetics and room?? very inviting and comfortable. The light on the vase is a nice touch.
The lighting is much more subtle than it looks. The iPhone makes it very bright.

It's a very simple matter putting in downlighters, which all connect to a transformer box in the base of the units. The main lighting is Alexa voice controlled, with brightness and warmth adjustment in 100 increments and various preset moods.

The carpentry is all very simple, but well made. No bright colours to distract, black & white lithographs, lots of earthy ceramics. My carpenter mate Paul can be a bit extravagant, the wife kept him under control.
I did unleash him on an old filing unit that he turned in to a drinks cabinet. We schemed that up without telling the wife.

11.JPEGView attachment 11801813.JPEG
 
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Just picking up this thread...so great. Apologies for a general question but does anyone have an acoustician in the Bay Area that they can recommend for residential consulting?
 
Just picking up this thread...so great. Apologies for a general question but does anyone have an acoustician in the Bay Area that they can recommend for residential consulting?
 
Geez, a ~12 Hz dip in the critical 100 - 150Hz range and that's finished? Plus, you can manually tune JLA subs and not use DARO to ameliorate the 27Hz problem.
 
Geez, a ~12 Hz dip in the critical 100 - 150Hz range and that's finished? Plus, you can manually tune JLA subs and not use DARO to ameliorate the 27Hz problem.
Those graphs were very preliminary
Much different now and I don’t have subs anymore
 
Geez, a ~12 Hz dip in the critical 100 - 150Hz range and that's finished? Plus, you can manually tune JLA subs and not use DARO to ameliorate the 27Hz problem.
Not to mention those were not in-room measured graphs but the computer-modeled ones
 
Not to mention those were not in-room measured graphs but the computer-modeled ones
Great, feel free to send a freq. plot now that it's optimized.
 

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