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adaycj 3rd November 2007 02:14 PM

Whole basement audio
I’m a little apprehensive to post this. There are so many extremely technical projects done by audiophiles, my project seems low tech and less than “audio perfection”.

I have a finished basement, below grade. I want to add about 8 in ceiling speakers in two rooms. I currently intend to use pre-made inexpensive 8 ohm, 40 watts max, 88 dB sensitivity speakers (manufacture specs). I hope to use speaker level wiring from a central point to operate all 8 speakers. Zone or individual speaker sound control would be nice, but is not required. The point is overall exercise, “waiting room” of music with a little more volume when needed. I do not want or expect audiophile or home theatre multi-channel sound for a sound stage. Stereo separation is not really useful since the speakers are scattered in the ceiling. The longest run will be about 25 feet from amp to speaker.

I have speakers in mind that are inexpensive ($30 US each). I have cable. I just need something to power the speakers and accept several different inputs. I’m even willing to hand switch inputs if needed.

I am on an extreme budget. I hope to spend less than $200 on the system to drive the speakers. I am willing to make something, and I think it would be quite a learning experience. Searching here and reading posts, I see chip amp projects that look promising. However, some are way over budget, and nearly all of them will only operate a few speakers.

Any ideas are appreciated.

adaycj 5th November 2007 04:19 AM

Apparently this is not the place for such a question. I was a bit afraid of that. Should I try to move this to the chip amp forum or just give it up?

planet10 5th November 2007 04:42 AM

If you can live with any 4 speakers running l=all the time, you can wire sets of 4 sepakers in series/parallel and get 8 ohms back. Then you can drive each set of 4 from one channel of a stereo amplifier. You should be able to easily find an adequate used receiver for less than your budget.

Any local thrift stores. Or hifi shops that sell used stuff?


PS: I've probably got a half-dozen units that would do the job so i know they are out there...

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