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Audio Amplifier + TONE CONTROL Circuit

Audio Amplifier + TONE CONTROL Circuit using NE5532, LM1875T / TDA2050

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 […]

12 Volt 1 Amp DC Power Supply Adapter (12 Watts) picture circuit diagram

12 Volt 1 Amp DC Power Supply Adapter (12 Watts) picture circuit diagram 12v symmetric power supply using 7812, 7819, DZ12v   CT simetris and non CT Transformer Power Supply 12V PCB 12 Volt 1 Amp DC Power Supply Adapter (12 Watts) picture circuit diagram This circuit provides ±12V regulated DC output based on LM7812 and […]

The input, effects and output connections Internal Wiring diagram

The input, effects and output connections are shown Input – these are quite the opposite of what you might think. The same basic idea is used on Fender amps, as well as nearly all others that have dual inputs for a channel. The Hi input is used for normal (relatively low output) guitar pickups, and […]

TV remote control blocker

TV remote control blocker using 555 ON electronic circuits diagrams

STK439 Circuit

Audio Amplifier Circuit Using STK439

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