Low Cost Bass-Treble Controller Using Op-Amp 741

Category:
This is simple but powerful bass, treble, volume control is made by General Op-Amp IC LM741. The input voltage is 12V, but it will also work with 9V and 6V. This has inbuilt pre-amplifier also. Left channel is shown. Right channel is same.

Low Cost Bass-Treble Controller Using Op-Amp 741

Parts List:

IC LM741 x1
T/C 10k,22k,100k All x1
Triansistor BC148/548 = 1
220uF/25V = 2
4.7uF/25V = 2
2.2uF/10V = 1
10uF/25V = 1
Small resistors x12p
Small PF x5p
 
I
DIY Stuff