Effective output power：40W in class A 
Input ( RCA Pin Jack) 
Input sensitivity/Impedance：Input 1V/100KΩ. 
Signal toNoise Ratio：100 dB 
Frequency Response：20 - 20000 Hz, ±0.2dB. 
Power Consumption：80 W 
Power Requirement：AC 120V or 220V - 230V 50/60Hz
 Demensions：W 350×H 170×D 260 mm 
Tube complement：2×Siemens F2a. 
Weight：13.2Kg