Quantity   Component name
1 × 6J1 Pentode 6J1 Pentode with matching socket
1 × 240V to 12V (20:1) transformer Audio output transformer
1 × 100nF Capacitor Input capacitor
1 × 220µF 36V Electrolytic Capacitor Power supply filtering capacitor
1 × 100kΩ Resistor Biasing resistor
1 × 100Ω Resistor Power filtering resistor
1 × 120Ω 5W Resistor Filament resistor