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Electronic Stethoscope circuit diagram

visits: 15885
Guitar Amplifier circuit diagram
10W Old-Style ultra-compact Combo. Two inputs - Overdrive - Treble-enhancement.

author: RED Free Circuit Designs
visits: 14577
Amplifier Timer circuit diagram
Timer circuit that turns-off your amplifier when idle for 15 minutes. Fed by amplifier tape-output.

author: RED Free Circuit Designs
visits: 14041
22 Watt Audio Amplifier circuit diagram
22w audio amplifier built of TDA1554 and some passive components. Can be used in car audio systems.

visits: 12937
Speaker Box Audio Amp circuit diagram

author: Miles Prower
visits: 12354
Headphone Amplifier circuit diagram
high quality amplifier for headphones. power supply included.

author: RED Free Circuit Designs
visits: 10986
Stereo Tube Amplifier circuit diagram

author: Weslee Kinsler
visits: 10965
Precision Audio Millivoltmeter circuit diagram
Measures 10mV to 50Volt RMS in eight ranges

author: RED Free Circuit Designs
visits: 10755
Phono Preamplifier circuit diagram
Simple circuitry suitable for moving-magnet cartridges. Passive high-frequency equalization

author: RED Free Circuit Designs
visits: 10261
Mini-box 2W Amplifier circuit diagram
A little low power audio amplifier with bass boost switch

author: unknown
visits: 9967
page: 1 2 3 4 5

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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