chip recomendation for a bass guitar amp (already got a transformer). - diyAudio
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Old 25th October 2006, 02:35 AM   #1
diyAudio Member
Join Date: Apr 2006
Location: buenos aires
Default chip recomendation for a bass guitar amp (already got a transformer).

hi guys,
i want to build a bass guitar amp, something between 70w and 150w.
i want to keep it simple and cheap, so i'm thinking of a gainclone.
furthermore, i already own a tranformer with a (30v+30v)x4A output.

so, simple question expecting nice aswers.

what chip would you prefer for a bass amp in that range of output power, and able to get power supply from that transformer (rectified and not regulated (around +-40v) )??

thanks a lot!

could it be some bridged pair of lm3876 or lm3886?

edit: i don't mind if the output power is measured in a 4ohm or 8ohm speaker, since i haven't bought it yet and have no preference.
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Old 25th October 2006, 06:55 PM   #2
mateo88 is offline mateo88  United States
diyAudio Member
Join Date: May 2004
Location: Argyle, Texas
A pair of parallelled lm3875's would be cheap, simple, and would work well into 4 ohms, but the transformer is really on the small side.
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