Active Tone Controls by Transistor
This entry was posted on Monday, May 7th, 2007 at 10:57 pm and is filed under Pre Amplifier - microphone preamp, Tone control - Graphic Equaliser.
This be circuit use transistor be main part, then good sound , the noise is low , by use the number , BC109 , then seek buy good easy , you can fine to decorate the sound with VR1 and VR2 in the end the sound but the satisfied. The detail is other , have a few , see in the circuit.
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