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Posts tagged OCL 150W

How do I assemble power amplifier?

How do I assemble power amplifier? Selection of PCB … PCB model I chose was the mono. The reason is that mono is more to consider routing topology so that the output tends to be more stable, while the stereo more to the artistic layout. R1      100K R2,6   30K R3,7   560 R4     10K R5    […]

Microphone Preamplifier Circuit

Microphone Preamplifier Circuit Microphone Preamplifier Circuit using Transistors Tr BC109 Microphone Preamplifier Circuit using BC549C, BC547B

Speaker Pre-amp Schematic

Speaker Pre-amp Schematic using BC109C , 2N3904 Preamp circuit for Speakers using BC109C , 2N3904 Speaker Pre-amp Schematic using BC109C , 2N3904

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