Effective output power：10W in calss A .
Input (RCA Pin Jack ) 
Input sensitivity/Impedance：0.5V/250KΩ.
Signal to Noise Ratio：90dB.
Frequency Response：20 - 20000Hz.
Power Consumption：80W.
Power Requirements：AC 120V or 220V-230V, 50/60Hz.
Demensions：W 350 × H 175 × D 255 mm.
Tube complement：2 × SiemensF2a. 
Wheight：12.5Kg.