15 - 100 WATTS Hi-Fi POWER AMPLIFIER PARTS LIST AND SPECIFICATIONS:
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Rated Power Output: 15W - 100W RMS 
Load impedance: 4 - 16 Ohm
Frequency Response: 5Hz - 50kHz (-3dB)
THD: 0.1% (1kHz/90% Power)
Input Signal: 1Vpp (full power)
Input Impedance: 47k

RESISTORS:
R1,R5,R10 = 2.2k
R2,R7 = 47k
R3,R11,R13 = 4.7k
R4 = 10k
R6 = 18k
R8 = 2.2k[15W amp], 1.8k[20W amp], 1.5k[30W amp], 1k[45-100W amp]
R9 = 15k
R12 = 1k
R14,R15 = 0.68R/1W[15-60W amp], 0.33R/4W[100W amp]
P1 = 100-220 Ohm Trimpot.


CAPACITORS:
C1,C3 = 10uF/16-35V Tantalum
C2,C6 = 180pF/100V Ceramic
C4 = 47uF/3-6V Tantalum
C5 = 47pF/50V Ceramic
C7,C8 = 0.1uF/50V Ceramic
C9,C10,C11 = 10-33uF/35V Tantalum
C12 = 10pF/50V Ceramic

SEMICONDUCTORS:
T1,T2 = BC416C, BC560, 2N3906 or eq. (low noise, high gain, must be clamped together for good heat contact)
T3 = 2N3904, BC546, BC182L
T4,T5 = PN2907, BC556, BC212B
T6 = TIP31C(on heat-sink)
T7 = TIP32C(on heat-sink)
T8,T9 = 2N3055, 2N3772, 2N5038,  or eq. on heat-sink
D1,D2,D3 = 1N4148
D4 = Zener Diode 10V/1W
D5,D6 = 1N4003

POWER SUPPLY:
Power Transformer:
2x15Watts = 24VAC CT/2A = +/-17VDC;Fuse F1 = 0.8A
2x20Watts = 30VAC CT/2.5A = +/-21VDC; Fuse F1 = 1A
2x30Watts = 36VAC CT/2.5A = +/-25VDC; Fuse F1 = 1.6A
2x45Watts = 42VAC CT/3A = +/-30VDC; Fuse F1 = 2A
2x60Watts = 46VAC CT/4A = +/-33VDC; Fuse F1 = 3.15A
For Mono Amplifier, lower amperages by half.

1x100Watts = 46VAC CT/4A = +/-33VDC; Fuse F1 = 3.15A
(Two 60Watts amplifiers bridged)
Bridge Rectifier = 100VDC/8A

Capacitors:
C1, C2 = Mono 2 x 6800uF/25-50V; Stereo 4 x 6800uF/25-50V
Optional: C1, C2 = 2x1000-2200uF/25V (for +/- 17VDC supply)
C3 = HF bypass 0.01uF/200V