How to Simple Pre-Subwoofer with Powerful Amplifier with LM324, New Simple Circuit, DIY Subwoofer

  

 

Have :

1.IC

• LM324
  

2. Resistor

• 2.2K x2
• 47KK x2
  
• 1M x4
  
• 10K x4
  

3.Capacitor

• 683 x2
  
• 682 x2
• 104 x2
  

4.Transform

• 12V
   

5. POT

• B100K x2