Quantity   Component name
1 × PCL82 Vacuum Tube
1 × DC-DC boost module 5V - 60V output
1 × 7815 linear regulator
1 × 1N4007 diode
1 × Rotary potentiometer
2 × Capacitor, 15000 pF
1 × Resistor, 470 kohm
1 × Resistor 100k ohm
1 × 220V/6V Trafo 5W
1 × Speaker: 3W, 4 ohms