1. guclusat

    Low Cost Bass-Treble Controller Using Op-Amp 741

    This is simple but powerful bass, treble, volume control is made by General Op-Amp IC LM741. The input voltage is 12V, but it will also work with 9V and 6V. This has inbuilt pre-amplifier also. Left channel is shown. Right channel is same. Parts List: IC LM741 x1 T/C 10k,22k,100k All x1...