ITEM NAME:DC12V 24V Mini 1969 TIP41C Mono Channel Amplifier Assemble Board Pure Class Z7J9 DC12V 24V Mini 1969 TIP41C Mono Channel Amplifier Assemble Board Pure Class Z7J9 Specific parameters: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.Tube Model: TIP41C. Input capacitance: Promise of capacitance Farah. Output power: 5W per channel. Power consumption: 20W per channel. Adjustable resistance: Sealed multi-turn adjustable resistors.