RIAA AMPLIFIER

 

BILL OF MATERIAL

C1 Capacitor S.O.T. (e.g. 100 pF)
R2 Resistor 47.5 k
W 1% 0.6W (or S.O.T.)
V3 Transistor 2SK 147 (GR) Toshiba
V4 Transistor 2SJ 72 (GR) Toshiba
P5 Potentiometer 50
W Bourns
R6 Resistor 182
W 1% 0.6W
V7 Transistor 2SD 786 Rohm
V8 Transistor 2SB 737 Rohm
V9 Transistor 2SA 1015 Toshiba
V10 Transistor 2SC 1815 Toshiba
R11 Resistor 866
W 1% 0.6W
R12 Resistor 866
W 1% 0.6W
R13 Resistor 1.82 k
W 1% 0.6W
R14 Resistor 1.82 k
W 1% 0.6W
R15 Resistor 2.21 k
W 1% 0.6W
R16 Resistor 2.21 k
W 1% 0.6W
R17 Resistor 866
W 1% 0.6W
R18 Resistor 866
W 1% 0.6W
V19 Transistor 2SA 1015 Toshiba
V20 Transistor 2SC 1815 Toshiba
V21 Transistor 2SA 1015 Toshiba
V22 Transistor 2SC 1815 Toshiba
R23 Resistor 24.9 k
W 1% 0.6W
C24 Capacitor 100 nF 1% 100V Polystyrene
R25 Resistor 3.24 k
W //182 kW 1% 0.6W
C26 Capacitor 33 nF//1.2 nF 1% 100V Polystyrene
R27 Resistor 1 M
W 1% 0.6W
C28 Capacitor 1
m F 10% 100V MKT
D29&D53 Op. amp. TL072 Texas a.o.
R30 Resistor 226 k
W 1% 0.6W
V31 Transistor 2SK 147 (GR) Toshiba
V32 Transistor 2SJ 72 (GR) Toshiba
P33 Potentiometer 50
W Bourns
R34 Resistor 274
W 1% 0.6W
V35 Transistor 2SD 786 Rohm
V36 Transistor 2SB 737 Rohm
R37 Resistor 681
W 1% 0.6W
R38 Resistor 681
W 1% 0.6W
R39 Resistor 1.50 k
W 1% 0.6W
R40 Resistor 1.50 k
W 1% 0.6W
R41 Resistor 2.74 k
W 1% 0.6W
R42 Resistor 2.74 k
W 1% 0.6W
V43 Transistor 2SA 1015 Toshiba
V44 Transistor 2SC 1815 Toshiba
R45 Resistor 274
W 1% 0.6W
R46 Resistor 121
W 1% 0.6W
R47 Resistor 121
W 1% 0.6W
V48 Transistor 2SC 1815 Toshiba
V49 Transistor 2SA 1015 Toshiba
R50 Resistor 681
W 1% 0.6W
R51 Resistor 1 M
W 1% 0.6W
C52 Capacitor 1
m F 10% 100V MKT
R54 Resistor 6.81 k
W 1% 0.6W
C55 Capacitor 100 nF 10% 100V MKT
C56 Capacitor 100 nF 10% 100V MKT
C57 Capacitor 100 nF 10% 100V MKT
C58 Capacitor 100 nF 10% 100V MKT
C59 Capacitor 100 nF 10% 100V MKT
C60 Capacitor 100 nF 10% 100V MKT
C61 Capacitor 330
m F 25 V Electrolytic
C62 Capacitor 330
m F 25 V Electrolytic
R63 Resistor 10
W 1% 0.6W
R64 Resistor 10
W 1% 0.6W
R65 Resistor 10
W 1% 0.6W
C66 Capacitor 1
m F 10% 100V MKT
C67 Capacitor 1
m F 10% 100V MKT
V68 Transistor BD 139 NEC a.o.
V69 Transistor BD 140 NEC a.o.
V70 Transistor 2SC 1815 Toshiba
V71 Transistor 2SA 1015 Toshiba
C72 Capacitor 1
m F 10% 100V MKT
C73 Capacitor 1
m F 10% 100V MKT
C74 Capacitor 680
m F 25 V Electrolytic
C75 Capacitor 680
m F 25 V Electrolytic
V76 Transistor 2SJ 74 (BL) Toshiba
V77 Transistor 2SK 170 (BL) Toshiba
R78 Resistor 1.50 k
W 1% 0.6W
R79 Resistor 1.50 k
W 1% 0.6W
P80 Potentiometer 1 k
W Bourns
P81 Potentiometer 1 k
W Bourns
C82 Capacitor 1
m F 10% 100V MKT
C83 Capacitor 1
m F 10% 100V MKT
C84 Capacitor 1500
m F 40 V Electrolytic
C85 Capacitor 1500
m F 40 V Electrolytic
C86 Capacitor 1500
m F 40 V Electrolytic
C87 Capacitor 1500
m F 40 V Electrolytic
 

 

Copyright©1998

Knut Harald Nygård