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Old 28th April 2004, 11:42 AM   #1
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Default Line-out from portable cd player to a speaker?

Hello diyaudio community,

For an artistic installation requiring 8 small speakers with 8 channels of sound I am looking for ideas for an inexpensive solution based on 8 portable cd players connected to its own speaker.

I looked at multi-track playback from a computer and a soundcard capable of multiple outs, but that breaks the budget.

Instead, I am looking at taking the line level output of a portable cd-player and boosting the (mono) signal to a cheap 2 - 4" speaker.

I suppose you would do some signal attenuation to accomplish this... can anyone point me in the direction of some circuits or links?

Any advice is appreciated! Thanks,

audiostudent
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Old 28th April 2004, 01:19 PM   #2
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Location: Midland, Michigan
If your power output requirements are modest, you might build an amplifier based on the LM386 chip. Absolutely minimum parts and it operates on a single 12 volt supply.

http://www.national.com/pf/LM/LM386.html
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