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-   -   chip recomendation for a bass guitar amp (already got a transformer). (http://www.diyaudio.com/forums/chip-amps/88980-chip-recomendation-bass-guitar-amp-already-got-transformer.html)

facundonu 25th October 2006 03:35 AM

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.

mateo88 25th October 2006 07:55 PM

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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