Wanted: Source for tiny audio amps that use DC power

Oct 17, 2005 2 Replies

Hello gang!



I received advice from an engineer today.



He suggested I use a bunch of separate amplifiers instead of one larger one.



This way I can set the level in each room.



I want to run them off of 12 volts DC.



"No problem", he said... "Use car amps!"



I want small size. Pack of cigarettes?



They can be stereo, or mono at this point.



I want to put them into a structured wiring box, or hang 'em on the wall.



Low wattage. (Real watts RMS) I could probably make due with 10-watts per channel.



Elk Products makes their Elk-800 10-watt Audio Amplifier. This is almost ideal...



Anybody know where I can get a bargain, as I'm gonna buy a few of these...?



And I prefer the car amp idea as they are often all metal chassis that I can possible blow across with a fan for cooling.



Anybody seen any surplus audio amps?



Thanks!



Jack :)



Cannibalize cheap PC speakers? Or use them directly, I've found some that are not half bad for

Are you up to making them? Easy with National's IC amplifier chips. Any wattage you want up to about a hundred, depending on which device you choose.

Everything you need to know is in their excellent application notes, and you can get those online.

Not an employee, just a very satisfied user.

Isaac

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