PARTSLIST VMC-1 RESISTORS: 3 RESISTOR 220R 2 RESISTOR 270R 4 RESISTOR 4K7 CAPACITORS: 1 CAPACITOR (PS) 100n SEMICONDUCTORS: 1 DIODE 1N4148 1 74HC14N 1 6N138 MECHANICAL: 1 PINHEAD 5x2 3 SWITCHES APEM 5236 or similar 3 DIN SOCKET HIRSCHMANN MAB5SV 3 3.5mm SOCKET PJ3410_STEREO 3 NUT AND WASHER FOR SOCKETS 3 NUT AND WASHER FOR SWITCHES