diyAudio Forums Archive > Top > Amplifiers > Chip Amps 3 watt amp - Click HERE for Original Thread keyboarder89 Hey Everyone Im new here and would like to know if anyone knows where to find the schematics to a 3 watt mono amplifier. I am making a buzzer for something using a buzzing circuit and a 3 watt 1" speaker (from Parts Express). Any help would be great. Thanks! :) moamps Maybe this: VELLEMAN MINI 2.5W AUDIO AMP KIT Part Number 320-215 (from Parts Express) Regards keyboarder89 Thanks moamps, Do you or anyone else know of where to find the schematics to something like that? Just curious. Thanks again! Dirk Hi, Easy schematics can be found in the data sheets of several manufacturers, eg: http://www.national.com/catalog/AudioProducts.html Regards, Dirk keyboarder89 Thanks Dirk! That helps alot. :) millwood quote: Originally posted by Dirk Hi, Easy schematics can be found in the data sheets of several manufacturers, eg: http://www.national.com/catalog/AudioProducts.html Regards, Dirk has anyone built those u-Pot (LM1971/2/3) based attentuators?

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