Pre-Amp Mic with Tone Control Circuit Diagram
Pre-amp mic circuit above using two ICs ne4558, which serves to strengthen the signal from the mic and treated with several tone control. Pre-Amp Mic circuit need voltage power supply about 12 - 15 VDC Asymmetric.
Need Power Amplifier Circuit , see here :
2800W Power Amplifier Circuit
2N3055 Power Amplifier Circuit
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