Model: 1969 Small Group A Tube Model: TIP41C Output Power: 5W per channel Power Consumption: 20W per channel Power Source: DC single 12-30V Static Current: prior to shipment in a standard 25 volts DC down to 0.8-0.9A Board Size: 5 x 5cm / 1.97 x 1.97 inch Thickness: 1.6mm fiberglass board double-sided design Board Material: - Resistance: full five-color ring precision metal film resistors - Adjustable Resistance: sealed multi-turn adjustable resistors - Input Capacitance: Farad-grade capacitance - Electrolytic Capacitors: high-capacitance Wiring Method: 1969 finished panels and audio speaker power wiring diagram Material: plastic Color: green Package Included: 1 x DC 12V 1969 Class A Amplifier Board 2 x Thermal Insulation Pads 2 x Insulation Caps Note: Lighting and display differences may cause slight variations in color between the image and the actual item. Measurement error allowance is +/- 1-3cm.