Wednesday, September 14, 2016

Subwoofer booster circuit

Subwoofer booster circuit is used to enanching or boosting or increase the subwoofer amplifier, but it also can improve the quality of the bass sound on an amplifier or High Power Amplifier. Subwoofer booster circuit / bass enhancer circuit based on the IC 4558 and TL074 or commonly known as IC op-amp , its suitable to be an boosting in subwoofer system, which together with some components.

Subwoofer booster circuit
Subwoofer booster circuit
For this subwoofer booster / enhancher circuit using voltage of 12 V + , 12V - , and ground. To be in accordance with the power of the speakers and amplifiers , the Subwoofer booster circuit / subwoofer enhancer is also equipped with a subwoofer volume setting on the R9 and R12 use 20 K ohm trimpot. Issued a circuit of subwoofer output is quite high , making it suitable for some speakers.

Part List :
  1. R1 = 22K
  2. R2 = 100K
  3. R3 = 220R
  4. R4 = 220R
  5. R5 = 220R
  6. R6 = 10K
  7. R7 = 4K7
  8. R8 = 1K
  9. R9 = 20K Trim
  10. R10 = 150K
  11. R11 = 22K
  12. R12 = 20K Trim
  13. R13 = 4K7
  14. R14 =2K2
  15. R15 = 220R
  16. R16 = 220R
  17. R17 = 180K
  18. R18 = 22K
  19. C1 = 4u7/25V
  20. C2 = 10uF/25V
  21. C3 = 220uF/25V
  22. C4 = 220uF/25V
  23. C5 = 1n2
  24. C6 = 47n
  25. C7 = 47n
  26. C8 = 100n
  27. C9 = 100n
  28. C10 = 4u7/25V
  29. C11 = 330uF/25V
  30. C12 = 330uF/25V
  31. IC1 = JRC4558
  32. IC2 = TL074
Kit Subwoofer booster circuit

You can use this subwoofer audio amplifier :

Good Luck for your audio 

Electronic Circuit is a good site for hobbyist also who would like to try DIY because it shared good circuits. If you have a personalized circuit requirement you may feel free to request it through the comment box or contact me.

7 Comments

is -12v connected to ground ?

no is asymetric power supply needed

can u give me a description about the connection board

can u give me a description about the connection board

can u give me a description about the connection board

No i dont have image about the board


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