DIY electronic projects today is audio tone control circuit and PCB completely to build with yourself.
From i tested the sound
Results.
- Deep geek.
- Clear, sharp.
- This circuit is a pre-amp is used with the PA Output voltage due to more than 3-5 Vac.
Guide the PR1 and PR2 turning.
- PR1 J 0V output.
- PR2 J. The Idle of Output it.
Similar to the tune Power amp.
Audio Tone Control S85 Circuit
I have customized it with the R = 10ohm and C = 0.1uf Oscilate to the Output.
same as Power amp Class AB and short R 1.5 K of the Input.
Install C 220uf/50v at + / – back Regulator.
Why the over voltage. To reduce the distortion of the signal Output.
This circuit uses a voltage range of + -24 Vdc, but I already put Regulator 24V.
You can use the power supply +-24V at all because the Regulator, then the voltage is about +-18-22V on the circuit to operate as normal.
The Test.
Output = AC 3Vrms Max.
Bass soft.
Cape Clear.
Audio Tone S85 Stereo Layout & connection
Top PCB
Amp Tone Top PCB
Bottom PCB
Audio Tone Control S85 Stereo Main Board PCB1
Audio Tone Control Stereo Main Board PCB2
