Cortese is 10W/ch amp based on the industrial strength Siemens F2A tube and it’s an SET (Single-Ended Triode) design.
Effective output power：10W in class 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 220V-230V
Dimensions：W 350 × H 175 × D 255 mm
Tube complement：2 × SiemensF2a
Weight：12.5Kg.