Best portable headphone amp circuit using LM833 or NE5532
Best portable headphone amp circuit
High impedance headphones using :
P1 22K
R1 560R
R2,R3 10K
R4 12K
R5,R6 2R2
R7 22R
C1 1µF 63V
C2,C3,C4 100µF 25V
C5 22pF 63V
C6 22µF 25V
IC1 LM833 or NE5532
Q1,Q3 BC337
Q2,Q4 BC327
Power supply parts:
R8 2K2
C7,C8 2200µF 25V
D1 100V 1A
D2 5mm. or 3mm.
IC2 7815 15V 1A
IC3 7915 15V 1A
T1 220V Primary, 15 + 15V
