Active Tone Controls by Transistor

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.

Pre Tone Control Stereo (bass-mid range-treble) by IC NE5532
This circuit Tone Control Stereo you can ajustable bass , mid range and treble. It use IC NE5532. Supply Volt min 12V 80mA . Easy to build, PCB small.
Pre Tone Control Stereo by IC NE5532
If you want Pre Tone Control Stereo circuit good some. I begs for to advise this circuit. Because use IC NE5532 make build and high-quality,price be inexpensive extremely. By this circuit ca ...
Tone Control Monoby 4 Transister(C945)
If you want to made a audio tone control in small size project common because it easy and non expensive. We are introduce this circuit it given classic sound for you rest very well. It is use to a ...
Tone Control Stereo (bass-treble) by IC NE5532 x2.
A friend of me wants Tone Control Stereo circuit at can control the sound bass-treble-volume well. I then seek this circuit be Tone Control Stereo (bass-treble) by IC NE5532 x2. It uses t ...
Tone Control Stereo by 2 Transister (C945)
This circuit Tone Control Stereo, 2 Transister : C945 = 2 part. Supply Volt min 12V <80mA . Easy to build, PCB small. Circuit Tone Control Stereo by Transister C945x2. PCB Tone ...