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Audio - amplifiers

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Amplifier 2x30W with STK465 circuit diagram
Stereo amplifier with 30w per channel

visits: 28377
50 Watt Amplifier circuit diagram
This is a handy, easy to build general purpose 50 watt amp. The amp has an input for a radio, TV, stereo or other line level device. It also has a phono input for a record player, guitar, microphone or other un-amplified source

author: unknown
visits: 27272
25W Mosfet audio amplifier circuit diagram
25w audio amplifier with MOSFET transistors for best quality

author: unknown
visits: 25287
18W Audio Amplifier circuit diagram
18W audio amplifier. Small number of components.

visits: 25285
Amplified Ear circuit diagram
Useful to listen in faint sounds. 1.5V Battery operation. Amplifies only faint and weak sounds!

author: RED Free Circuit Designs
visits: 21693
Motorola Hi-Fi power amplifier circuit diagram
This is a very simple, low cost, Hi-Fi quality power amplifier. You can build it 5 ways, like it’s shown in the table (from 20 W to 80 W RMS).

author: Jacint Chapo
visits: 17889
Electronic Stethoscope circuit diagram

visits: 16493
Guitar Amplifier circuit diagram
10W Old-Style ultra-compact Combo. Two inputs - Overdrive - Treble-enhancement.

author: RED Free Circuit Designs
visits: 14921
22 Watt Audio Amplifier circuit diagram
22w audio amplifier built of TDA1554 and some passive components. Can be used in car audio systems.

visits: 13248
Speaker Box Audio Amp circuit diagram

author: Miles Prower
visits: 12741
page: 1 2 3

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folder Audio (49)
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folder Radio (23)
folder Light & LED (31)
folder Tools & measurement (40)
folder Telephone (18)
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folder Microcontrollers (12)
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