230 WATTS POWER AMPLIFIER PARTS LIST AND SPECIFICATIONS:
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Rated Power Output: 150W RMS, 230W Music
Load impedance: 4 Ohm
Frequency Response: 5Hz - 60kHz (-3dB)
THD: 0.5% (1kHz/150W)
Signal to Noise: 78dB (150W)
Input Impedance: 47k

RESISTORS:
R1,R4,R5 = 1k
R2,R10 = 47k
R3 = 330R
R6 = 6.8k
R7 = 1.5k
R8 = 24R
R9,R18 = 10R
R11 = 100R
R12,R13 = 15R
R14 - R17 = 0.22R/4W
R19 - R22 = 0.47R/5W


CAPACITORS:
C1 = 10uF/35V
C2 = 100uF/35V
C3 = 22uF/35V
C4 = 220pF/100V
C5 = 0.22uF/250V
C7 = 220pF/100V
C8,C9 = 0.1uF/100V
Cx = 100pF/100V cer. (install if amp unstable or oscillating)

SEMICONDUCTORS:
T1,T2,T3,T5 = MPSL51, 2N5400, BC556 or eq.
T4 = MPSL01, 2N5830, BC547 or eq.
T6 = MJE182, BD237, BD139 or eq.
T7 = MJE172, BD238, BD140 or eq.
T8 = TIP42C, MJE15029 or eq.
T9 = TIP41C, MJE15030 or eq.
T10 - T13 = MJ15001, MJ15015, 2N3773, (one pair 2N6341)
D1 = Zener Diode 1N5235B 6.8V/0.5W
D2,D3 = 1N4148
D4 = UF4002, FR152
D5, D6 = 1N5401, T6A10L
POWER SUPPLY:
Power Transformer:
Mono 72VAC CT/3A, Stereo 72VAC CT/6A
Capacitors:
C1 + C2 = Mono 2 x 6800uF/63V Stereo 4 x 6800uF/63V
C3 = HF bypass = 0.01uF/200V