Lm386 Guitar Amp Schematic. This forms a potentiometer on the feedback loop of the op amp. The input resistor sets the lm386 s input impedance to 50k ohms and gives the bias stage s gate a ground reference.
With the parts you need at hand. This forms a potentiometer on the feedback loop of the op amp. Electra preamp electra variation combined with the big muff tone control.
Ruby amp schematic diagram.
The unit also has 5 tone settings to allow you to. Most of the component values in this circuit aren t critical. Referencing the schematic above guitar audio enters the lm386 on the left at the pin 2 input. Lm383 power amp 8 watt power amp for driving a bigger speaker.
