/ / Introduction

The cheap battery powered amp from radio shack is great, but wouldn't it be great to make your own classic min-amp circuit?

/ / Parts

• Mini-amp PCB
• LM386 op-amp IC
• One 8-pin socket
• One red LED
• One 8Ω speaker
• One 220µF; electrolytic capacitor
• One .1µF ceramic capacitor
• One 470Ω resistor (yellow,purple, brown)
• One 10K variable resistor (audio taper)
• Two audio phone jacks
• One control knob
• 9 volt battery clip
• 9 volt battery
• hook-up wire
• Bare bus wire
• One DPST switch
• Cigar box

/ / Instructions

1. Solder a bare bus wire between the 2 end lugs of your DPST
   
   
   

   ---

2. Solder another wire to one of the other lugs of your DPST
   
   
   

   ---

3. Solder wires to mono jack (wires should be no longer than 6 inches).
   
   
   

   ---

4. Solder three wires to the potentiometer leads
   
   
   

   ---

5. Solder wires to anode and cathode of your LED
   
   

   ---

6. Solder wires to your speaker
   
   
   

   ---

7. Solder parts to PCB.
   
   

   ---

8. Drill holes for your potentiometer, jack, LED and switch
   
   

   ---

9. Cut a hole for your speaker.
   
   

   ---

10. Fit the board and components in your enclosure.
    
    

    ---

11. Connect a cable from your guitar to the input jack
    
    

    ---

12. Turn it on and adjust the potentiometer. Rock out!
    
    

    ---