Audio: Driven Piezo Transducer
One Watt Audio Amplifier
1 Watt Audio Amplifier. 8 Ohms impedance. 20 Hz to 20 kHz. Small, few components.
0 Comments - in LED Circuits
Schematic for an electronic audio level VU meter that uses LED's to display the volume/audio levels.
0 Comments - in Audio Amplifiers
This simple stereo audio amplifier will amplify audio for your low-medium impedance headphones and give you left/right balance control
This audio amplifier electronic circuit uses MOSFET transistors to create more than 25 Watts output power. Uses IRF530 and IRF9530 MOSFET transistors.
Stereo Audio Amplifer - 10 Watts
This kit uses the TDA2009 class AB audio amplifier IC for high quality stereo applications.
Shows an electronic circuit diagram (schematic) for a simple 10 Watt audio amplifier, using only 4 transistors.
Describes the schematic (circuit diagram) and PCB (Printed Circuit Board) for a cheap 100-150 Watt audio amplifier with few components.
Electronic Circuit: Audio Amplifier Module Kit
Variable gain audio amplifier capable of powering a small speaker for personal use
0 Comments - in Telephone
Features a telephone ring generators, phone line in-use indicators and an audio interface circuit.
18 Watt Mono Audio Amplifer
18 Watt Mono Audio Amplifier. Possible to use two for Stereo sound.
7 Watt Mono Audio Amplifier
A Mono audio amplifier which produces a very good 7 watts output power.
High Quality 25 Watt Audio Amplifier
High quality 25 watt audio amplifier. Combining 2 would give a 50 watt stereo amplifier.
2 Watt Stereo (2 Channel) Audio Amplifier
2 watts of power across to channels is what this kit delivers. Great quality.
Audio-Light Modulator Isolator
Introduces the Optocoupler-triac MOC3010. Complete electrical isolation between input audio signal (low voltage circuit) and output light modulation. Operates from 100 VAC line. Audio input via 3.5mm jack.
Educational Electronic Kits: Stereo Tape Player
Learn the basics of mechanical and electronic circuits. Lesson includes magnetic recording, audio amplifier theory, motor speed control,mechanical switches, and much more.
Function Generator Op Amp kit
A very low cost and simple electronic circuit to generate square, pseudo-sinewave and triangular waveforms in the Audio frequency range. Uses a quad opamp LM348. Good educational kit.
* USB PLL FM Stereo Transmitter (FCC Approved)
An excellent Stereo FM Transmitter which operates through the USB port of essentially any computer. FCC Compliant!
90 Second Audio/Message Recorder (Non-Volatile Memory Chip)
Record as many messages as you can in this modern, non-volatile, memory chip audio recorder
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