This is tone control mono circuit with pre amp mic schematic diagram :
Component List :
Resistor : R1,R2 =5K6 R3,R5,R11,R19=10K R4,R14=330K R6,R7,R8,R9=50K R10=2K2 R12,R13=1K R15=15K R16=4K7 R17=33K R18=86K R20=100K
Capacitor : C1=100uF/35V C2=47uF/35V C3,C4,C5,C6=1uF/50V C7=100n C8=22n C9=2n2
Transistor : Q1,Q2 = C828
Power Supply : + - 12V DC
Working and Tested For Power Amplifier TDA2003 , and it is cheap to buy component and very simple.
See image below :
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| Tone Control with Pre Amp Mic Component Assembly |
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| Tone Control PCB |
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| TDA2003 Audio Power Amplifier |
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| Speaker Active with Tone Control C828 include Pre Amp Mic , using 2Amp Transformer , 6inch Woofer Speaker |
Component List :
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