bass tone circuit board:
This is a bass-tone circuit board for the amplifier. here in this circuit no need for any voltage. it’s only the controller without the pre-amplifier. it is good to use a pre-amplifier with this circuit diagram. but sometimes there has no voltage. like if we want to use any amplifier input line. like we use an amplifier using an input cord. we can use this circuit. we have to cut the input wire and there we can use this circuit. like audio will come from the mobile and goes to this circuit input. and audio output will go to the amplifier.
here has 3 volumes all are 100k. one for the bass one for the midrange and one for the tone.
this is a mono circuit. if we need stereo, we have to use 2 circuits to make stereo. one for the right speaker and another one for the left speaker.
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