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Preamps Microphone Mixer circuit

Preamps Microphone Mixer circuit Choosing a good power amplifier is very easy but to choose the perfect microphone preamps is not easy, because the adjustment of sound pressure level (SPL) with volt level (dBu). Matching microphones and preamplifiers requires proper research and measurement, so to do this does not depend on your budget – but […]

VU Meter Schematic

meter circuits VU Meter Schematic using 78L05, AD8313, LM324

13W Audio Amplifier Circuit using TA8200AH

13W Audio Amplifier Circuit using TA8200AH

PC Serial Port Circuit

PC Serial Port Circuit PC serial port circuit to RS-232 pin out and cable

Current Sensing Slave Power Switch using Relay

Current Sensing Slave Power Switc using BC549, BC556, relay

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