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MIC Recorder circuit

Isd Voice Recorder circuit using ISD25120, 1N4148, BC557, BC547 MIC Recorder circuit This circuit can be used with normal tape recorders and sound memory, and Recording the sound. Now that you’ve built your recorder circuit using ISD25120, 1N4148, BC557, BC547

DIY Intercom Circuit

DIY Intercom Circuit Intercom Cable Full-duplex Intercom circuit schematic , cable on the way to the intercom circuit

Audio amplifying

Audio amplifying circuit using KA2214

1500W Power Amplifier Circuit Diagram

1500W Power Amplifier Circuit Diagram 1500W Power Amplifier Circuit Diagram This is a very high 1500W power amplifier circuit diagram by Rod Elliott. The circuit is built using 10 pairs of power transistor MJ15024 and MJ15025 (or MJ21193/MJ21194), then it will use 20 pieces of power transistor for final amplification.With very high power audio output, […]

STK 100W Audio Amplifier Circuit

100W Audio Amplifier Circuit using STK0100, 2SA984, D5442, 2SC2912, 2SC2274, 2SA608

PRE AMP MIC

PRE AMP MIC 3 TR USING BC550C BC556 BC546 PRE AMP MIC 3 TR USING BC550C BC556 BC546 R1_____________ 1K5 R2_____________ 220K R3_____________ 18K R4_____________ 330R R5_____________ 39K R6_____________ 56R R7,R10_________ 10K R8_____________ 33K R9_____________ 150R R11____________ 6K8 R12,R13________ 100R R14____________ 100K C1_____________ 220nF 63V C2_____________ 220pF 63V C3_____________ 1nF 63V C4,C7__________ 47µF 50V C5,C6__________ […]

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