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Posts tagged Audio Amplifier

Stereo Power Amplifier

68W Power Amplifier schematic   68W Stereo Power Amplifier using TR A673, C828, C1213, D438, B560, TIP31 and TIP32

Phono preamp circuit

Good Phono preamp circuit using BD437, BD438

Power Supplies Switching circuit

Power Supplies Switching circuit using LM5020

consumer goods why arnt they repairable?

steve50 asked: many years ago as a tv man i could repair many tv’s in customers houses there were known brands and real wood cabinets some even came with circuit diagrams in the box. now they are all made in foreign lands no circuits and if a main part has gone its scrap time even […]

Whole House FM Transmitter

Whole House FM Transmitter If the whole house FM transmitter, it must use this FM Transmitter circuit

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