The components and parts listed here are for one channel only, as the A100 is a mono-block design. They are listed exactly as they appear in the schematic sheets. No responsibility is taken for errors or omissions.
R1..2 200R, trimpot, 25 turn R3..6 4K7 R7..8 150R R9..12 470R R13..14 6K2 R15..16 200R, trimpot, 25 turn R17..18 1K2 R19..20 9K1 R21..24 3K R25..26 11K R27..28 10R R29..30 22K
R31..38 240 milli ohm, 2W, wire wound, hand made R39..46 22R R47..48 500R, trimpot, 25 turn
R49 10R, 1W, 5%, carbon R50..51 3K3, 1W, 5%, carbon
R52..56 22K R57..60 100R R61 1K R62 2K2 R63 2K7 R64 390R R65 500R, trimpot, 25 turn R66 680 R67 1M R68 1K R69 500R, trimpot, 25 turn R70..71 47R R72..79 500 milli ohm, 2W, wire wound, hand made R80 10R, 1W, 5%, carbon
C1..2 1000uF, 25V, Electrolytic C3..4 220uF, 16V, Electrolytic C5..8 150nF, 63V, MKT C9..10 56pF, 50V, Polystyrene C11 unallocated C12..13 47uF, 50V, Electrolytic, Bipolar C14 470nF, 50V, MKT C15..16 10uF, 50V, Electrolytic, Long Life, Low Leakage
C17..18 330nF, 100V, MKT C19..20 100uF, 63V, Electrolytic, Long Life, Low Leakage
C21..22 330nF, 100V, MKT C23..26 10000uF, 63V, Electrolyic (Sprague)
C27..28 100uF, 63V, Electrolytic, Long Life, Low Leakage C29..32 150nF, 63V, MKT C33 100nF, 100V, MKT C34 330pF, 50V, Polystyrene C35 470nF, 63V, MKT C36 10nF, 630V, MKP (Wondercap) C37 1.5uF, 400V, MKP (Wima) C38 47nF, 250V, MKT
Q1..2 BC640 Q3..4 BC639 Q5..6 BC557 Q7..8 BC547 Q9..12 1N4148, small signal diode Q13..14 NE5534AN, bipolar operational amplifier, 8 pin mini-DIP IC Q15 W04, bridge rectifier, 400V, 1A Q16 LM7815, voltage regulator IC Q17 LM7915, voltage regulator IC Q18 C106D, Silicon Controlled Rectifier Q19..22 LED, red, 4mm diameter
Q23 BR400-35, bridge rectifier, 400V, 35A
Q24..27 MJE3055T, TO220 case Q28..31 MJE2955T, TO220 case
Q32..33 1N4148A, small signal diode Q34 TL071, FET operational amplifier, 8 pin mini-DIP IC Q35..41 BC639 Q42 BC640 Q43..46 TIP142, Darlington power transistor Q47..50 TIP147, Darlington power transistor
RL1 Mini Relay, 12V 260R coil, DPDT 100V 1A contacts
1 Mains cord & plug 1 3AG fuse holder 1 5A slow blow 3AG fuse 1 DPDT 250V 10A switch 1 500VA Toroid Transfomer, 250V primary, 2 x 40V 6.25A + 2 x 15V 100ma secondaries 1 Mounting hardware 1 Heatsink for Q23 rectifier bridge 1 Cabinet to suit
2 Heatsinks for Q24..Q27 and Q28..31 Conrad MF20-165 (0.26 degC/Watt) available from Powertrans Engineering Pty Ltd, 36 Victoria St, Brunswick East VIC 3057, Australia, Ph (03) 9380 2500 1 Mounting hardware & terminals for J, R and N
1 Printed cicuit board to suit
1 Printed cicuit board to suit 2 Heatsinks for Q43..46 and Q47..50 1 Mounting hardware & terminals for + & - Output 1 RCA panel socket
1 1M 7 22K 2 11K 2 9K1 2 6K2 4 4K7 4 3K 1 2K7 1 2K2 2 1K2 2 1K 1 680R 4 470R 1 390R 2 150R 2 100R 2 47R 8 22R 2 10R
Other resistors
4 500R, trimpot, 25 turn 4 200R, trimpot, 25 turn 2 3K3, 1W, 5%, carbon 2 10R, 1W, 5%, carbon 8 500 milli ohm, 2W, wire wound, hand made 8 240 milli ohm, 2W, wire wound, hand made
4 10000uF, 63V, Electrolyic (Sprague) 2 1000uF, 25V, Electrolytic 2 220uF, 16V, Electrolytic 4 100uF, 63V, Electrolytic, Long Life, Low Leakage 2 47uF, 50V, Electrolytic, Bipolar 2 10uF, 50V, Electrolytic, Long Life, Low Leakage 1 470nF, 63V, MKT 1 470nF, 50V, MKT 4 330nF, 100V, MKT 8 150nF, 63V, MKT 1 100nF, 100V, MKT 1 47nF, 250V, MKT 1 1.5uF, 400V, MKP (Wima) 1 10nF, 630V, MKP (Wondercap) 1 330pF, 50V, Polystyrene 2 56pF, 50V, Polystyrene
4 TIP142, Darlington power transistor 4 TIP147, Darlington power transistor 4 MJE3055T, TO220 case 4 MJE2955T, TO220 case 3 BC640 9 BC639 2 BC557 2 BC547 6 1N4148, small signal diode 2 NE5534AN, operational amplifier, 8 pin mini-DIP IC 1 TL071, FET operational amplifier, 8 pin mini-DIP IC 1 BR400-35, bridge rectifier, 400V, 35A 1 W04, bridge rectifier, 400V, 1A 1 LM7815, voltage regulator IC 1 LM7915, voltage regulator IC 1 C106D, Silicon Controlled Rectifier 4 LED, red, 4mm diameter
1 Mini Relay, 12V 260R coil, DPDT 100V 1A contacts
1 Mains cord & plug 1 3AG fuse holder 1 5A slow blow 3AG fuse 1 DPDT 250V 10A switch 1 500VA Toroid Transfomer, 250V primary, 2 x 40V 6.25A + 2 x 15V 100ma secondaries 1 Mounting hardware 1 Heatsink for Q23 rectifier bridge 2 Heatsinks for Q24..Q27 and Q28..31, Conrad MF20-165 1 Mounting hardware & terminals for J, R and N 1 Printed cicuit board to suit sheet 3 1 Printed cicuit board to suit sheet 4 2 Heatsinks for Q43..46 and Q47..50 1 Mounting hardware & terminals for + & - Output 1 RCA panel socket[Top]