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18W Audio Amplifier circuit diagram
18W audio amplifier. Small number of components.

visits: 24687
25W Mosfet audio amplifier circuit diagram
25w audio amplifier with MOSFET transistors for best quality

author: unknown
visits: 24142
Automatic Loudness Control circuit diagram
Simple add-on module. Switchable "Control-flat" option.

author: RED Free Circuit Designs
visits: 22742
3 Channel Spectrum Analyzer circuit diagram
This 3 channel 15 LED spectrum analyzer is the perfect addition to any audio amp project. It produces fantastic displays on three LED bars that can be individually adjusted for any particular frequency range.

visits: 22156
Simple Digital Volume Control circuit diagram
Digital volume control for your audio device with only few components.

visits: 21903
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: 20494
3 Line Mixer circuit diagram
This project is a 3 or more lines mixer.

visits: 18431
Bass-treble tone control circuit circuit diagram
Low distortion bass and treble control for amplifier

author: Tasos Anagnwstou
visits: 17740
Stereo Preamplifier with Bass-boost circuit diagram
Stereo Preamplifier with Bass-boost project

author: RED Free Circuit Designs
visits: 17573
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: 17315
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project categories:
folder Audio (49)
folder Power & high voltage (43)
folder Radio (23)
folder Light & LED (31)
folder Tools & measurement (40)
folder Telephone (18)
folder Automotive (10)
folder Microcontrollers (12)
folder Sensors & control (47)
folder Timers & oscillators (40)
folder Miscellaneous (26)

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project subcategories:
All subcategories
preamps, filters, effects
VU meters & spectrum analyzers

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