5 Band equalizer circuit diagram:
This is a 5-band equalizer circuit diagram for any audio amplifier. Every amplifier needs a bass tone circuit to control the sound and sound quality. This circuit has 5 graphic equalizers to balance the sound as we want. This diagram runs on a single 12-volt. This diagram is without the master volume. it’s a mono audio diagram. for stereo needs dual circuit.

Bass tone circuit for an amplifier
This is the bass tone circuit board for the amplifier. This circuit has four volumes: volume, low, mid, and high. This diagram runs on 12 volts. It’s a mono diagram. For stereo, we have to use the dual board. It needs a single positive and negative voltage.
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