
Bass Treble Tone Control Circuit
A preamplifier circuit providing independent Bass and Treble tone controls is shown in this circuit. The circuit is basically an inverting type amplifier operating on a single supply.

| PARTS LIST | |
| R1 | 100K LOG |
| R2 | 10 K |
| R3 | 100K LIN |
| R4 | 10K |
| R5 | 10K |
| R6 | 3.3K |
| R7 | 100K LIN |
| R8 | 47K |
| R9 | 68K |
| R10 | 22K |
| C1 | 1 µF |
| C2 | 0.03 µF |
| C3 | 0.03 µF |
| C4 | 0.003µF |
| C5 | 0.003µF |
| C6 | 50µF |
| IC1 | LM 741 |
The tone control network is inserted in the negative feedback path. It provides 15dB of Bass and Treble cut and boost with respect to the gain at the mid-frequency of 1000Hz. The output can be either ac or dc coupled to the next stage.
Please send your ideas, which are very important for our success…

#1 by Ramdas on November 19th, 2011
Dear Sir..
I need the assembled PCB of Tone control using IC741
With regards
Ramdas
#2 by peep on August 29th, 2011
thanks for sharing this!however,where can i put the volume pot? i really need your reply asap..thanks!
#3 by halim on March 2nd, 2011
nada bass nya mantap ga?