12 V Rhythmic Lamp (CB460)

Wired to the output of any amplifier this circuit makes an incandescent lamp flash according the music. This adjustment of the circuit is made by P1. Any 12 V up to 1 A lamp can be used. Q2 must be mounted on a heatsink. Transformer is any type with a primary of 110 or 220 V and secondary winding of 100 to 500 mA, 6 to 12 V. R1 depends on the power of the amplifier. A 47 ohm resistor can be used with powers up to 10 W and a 100 ohm for power up to 50 W.

 

12 V Rhythmic Lamp
12 V Rhythmic Lamp

 

 

 

 


Circuit Bench