Effective output power:20W in class A Input(RCA Pin Jack) 
 Input sensitivity/Impedance:1V/100kΩ. 
 Signal to Noise Ratio:-60dB.
 Frequency Response:20-30.000Hz.
 Power Consumption:130W.
 Power Requirement:AC 117V or 230V, 50/60Hz.
 Demensions:W 250×H 170×D 340 mm.
 Tube complement:4×CV391.
 Weigt:13.5kg.