Pages

Thursday, June 2, 2011

Headphone Amplifier

R1-4= 1.2Kohm R12= 4.7 ohm C8-10= 470uF 25V
R2-3= 3.9Kohm RV1= 10Kohm  Log. pot. C9-11= 100nF 100V ceramic
R5-10= 10Kohm TR1= 10Kohm Trimmer Q1-3= BC184
R6=100Kohm C1= 4.7uF 63V MKT Q2-4= BC214
R7-9= 2.2Kohm C2-7= 100uF 25V Q5= BD136 or BD538
R8= 150 ohm C3-5= 100nF 100V  MKT Q6= BD135 or BD537
R11-13= 6R8 ohm C4-6= 100uF 16V All resistors is 1/4W 1%