Schematic Power Amplifier and Layout

High power amp modules High power amp modules High power amp modules High power amp modules using STK4141

3 channel microphone circuit using BC550C, BC547, BC557 P1,P2,P3______5K R1,R11,R15____180K 1/4W R2,R12,R16____2M2 1/4W R3,R13,R17____750R 1/4W R4,R14,R18____1K 1/4W R5____________15K 1/4W R6____________220R 1/4W R7____________1K5 1/4W R8____________820R 1/4W R9____________150R 1/4W R10___________100K 1/4W C1,C6,C8______1µF C2,C4,C7,C9___100µF C3,C5_________220µF Q1,Q4,Q5______    BC550C Q2____________ BC547 Q3____________ BC557

Electronic circuit diagram Low distortion audio amplifier Using LA4145

Audio level indicator circuit spectrum analyzer for stress meter circuit diagram using UAA180 12 led indicator circuit spectrum analyzer for stress meter circuit diagram using UAA180

Phantom powering schematic To Mic preamp