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Electronics Attenuator circuit diagram
Electronics Attenuator

author: unknown
visits: 9507
Audio Perimeter Monitor circuit diagram

visits: 9109
Bench Amplifier circuit diagram

author: Andy Collinson
visits: 9088
Portable Microphone Preamplifier circuit diagram
High headroom input circuitry. 9V Battery powered.

author: RED Free Circuit Designs
visits: 8960
FET Audio Mixer circuit diagram
Small simple audio mixer with a few components around one FET transistor (2N3819).

visits: 8381
Portable Headphone Amplifier circuit diagram
Small but useful device. It can amplify signal from many audio devices for your headphones.

author: RED Free Circuit Designs
visits: 8380
Three-Level Audio Power Indicator circuit diagram
This circuit indicates audio output power via three LEDs. Nice addon to your amplifier.

author: RED Free Circuit Designs
visits: 8106
Low impedance microphone amplifier circuit diagram
Small, easy to build low impedance microphone amplifier

visits: 7962
Amplifier of acoustic frequencies with preamplifier circuit diagram

author: Kyriakos Kontakos
visits: 7718
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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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