This be tone control circuit ,The small-sized. It the character Mono by use transistor just 2 PCS important equipment performs to enlarge sound signal gives the power goes up ,and have a button fines to decorate the sound completely. It be fine decorate the popularity in the sound , fine decorate the treble , and fine decorate the bass as well. It is convenient for a novice wants to try build Pre Tone control circuit keep be usable. The prominent point of this circuit be seek the equipment easily , Electronic part replace can be finished or can antiques sheep comes to use all right ,such as The transistor number C828 may use the number C945 or C1815 or The other all right. For the level power supply also get wide be about 12V to 24V at 50mA you can see other detail in the circuit.
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.