Audio & Sound Circuits and Schematics

Audio & Sound Circuits
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Audio & Sound Circuits

C = Circuit / Schematic

Amplifiers

2 Watt Audio Amplifier C

Electret Condenser Microphone (ECM) Preamplifier C

Headphone Amplifier C

15 Watt Amplifier C

Quadraphonic Amplifier C

20 Watt Power Amplifier C

22 Watt Stereo Amplifier C

Audio Level Meters

LED VU (Volume Unit) Stereo Meter C

Audio Level Meter C

Peak Reading Audio Level Meter C

Tone Control Circuits

Voice Scramblers (Change Your Voice) C

Stereo Mixer C

Bass-Treble Tone Control Circuits C C

Five band graphic equalizer using a single IC/chip C

Three band graphic equalizer C

Audio Light Modulator / Colored Organ (1 bulb) C

Audio Light Modulator / Colored Organ (2 bulbs) C

Audio Light Modulator / Colored Organ (3 bulbs) C

Audio Light Modulator (picks up sound from built in microphone) C

Miscellany

Infrared headphones C

Useful Links

R=Reference C=Circuit/Schematic

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