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Audio & Sound Circuits
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C=Circuit Schematics
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Amplifiers
Op-Amp Mic Preamp
[C]
Dynamic Microphone Preamp
[C]
24 Watt Class A Amplifier
[C]
150W MP3 Car Amplifier
[C]
Buffer Amplifier
[C]
Vinyl Pre-Amplifier
[C]
Class-A / AB Amplifier
[C]
[C]
Low Voltage Preamplifier
[C]
Soft switching Amplifier with Tone Controls
[C]
Cheap 100 to 150 Watt Amp
[C]
Hi-Fi Preamplifier
[C]
TDA2030 8 Watt amplifier
[C]
Stereo Line Driver
[C]
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]
6 – 10 Watt Stereo Amplifier
[C]
Audio Level Meters
Stereo VU Meter
[C]
Audio Level Meter (vumeter) Circuit
[C]
Audio Level Meter
[C]
Peak Reading Audio Level Meter
[C]
Tone Control Circuits
6 Input Mixer
[C]
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 (picks up sound from built in microphone)
[C]
Miscellany
Ultrasonic Dog Whistle
[C]
Audio Room / Baby Monitor
[C]
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Simple Intercom Systems
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Sound Activated Circuits
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Audio Voice-Over Circuit
[C]
Computer Microphone
[C]
Notch Filter
[C]
Infrared headphones
[C]
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Useful Links
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R=Resource
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Electronics Tutorials, Circuits and Resources
[R]
Electricity Basics
[R]
Electrical Safety
[R]
[R]
Electronics Projects Books
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