Circuit Diagram Headphone Amplifier. The c1 is a coupling capacitor to block dc voltage away. Note that the volume control shown is optional and is not on the pcb.

Below is the top and bottom layer of pcb layout. Also check simple audio amplifier circuit using 555 timer. Resistors p1 50k r1 56k r2 22k r3 330k r4 10k r5 10k r6 33r r7 33r r8 68r capacitors c1 0 27uf c2 10uf 35v c3 5pf c4 100nf 63v c5 100nf 63v.

For the parts lists on the right channel will start with the number 10.

The c1 is a coupling capacitor to block dc voltage away. Pcb layout of stereo headphone amplifier circuit diagram. For example r101 q101 c101 etc. Headphone amp circuit diagram.