Simple metal detector circuit, How to make Pre Ultra Bass Amplifier with transistor,Circuit at home

 

 

 

Have :

1.Transistor

• C945 x2
  

2. Resistor

• 4.7K x2
  
• 6.8K
  
• 270K
• 1K
• 10K
  

3.Capacitor

• 100uf 50V
• 10uf 50V x2
• 104 x2
  
• 47uf 50V
  

4.Transform

• 12V