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R2XL1 • 7
RAMSEY R2XL1 PARTS LIST
Semiconductors
6 1N4002 Rectifier Diodes (D1, 2, 3, 4, 5, 6)
1 78L12 +12V Voltage Regulator (VR1)
1 79L12 –12V Voltage Regulator (VR2)
2 LF347N Quad FET opamps (U1, 2)
Resistors
2 10K ohm potentiometers (R5, 11)
6 1K ohm resistors (brown-black-red) (R1, 2, 4, 7, 8, 10)
2 10K ohm resistors (brown-black-orange) (R13, 14)
2 100 ohm resistors (brown-black-brown) (R3, 9)
2 560 ohm resistors (green-blue-brown) (R6, 12)
Capacitors
2 0.01 uF Ceramic capacitors (marked 103) (C9, 10)
4 10 uF Electrolytic capacitors (C1, 4, 7, 8)
4 100 uF Electrolytic capacitors (C2, 3, 5, 6)
3 470 uF Electrolytic capacitors (C11, 12, 13)
Miscellaneous
2 Male PC Mounted XLR connectors (J2, 4)
2 DPDT push button switches (S1, 2)
1 2.5 mm AC Power jack (J6)
1 Dual RCA connector (J1)