This comes at a cost; he can’t change the settings on his small amp without taking his hands off the guitar. While larger ... solution he came up with is cheap hobby servos.

The design is inspired by the guitar amps of the 1950s and 1960s so it’s not for audiophiles. The circuit is a pretty conventional single-ended one with a two stage double triode preamp and a ...

These include (but are not limited to) $138 guitar amps, $170 amp modeling multi-effects ... s mission on becoming the ...