Frequency Response: 20 Hz - 20 kHz +/- 0.5 dB, 20 Hz - 50 kHz +/-2 dB 
Nominal Output Power RMS / 8 Ohm: 2 x 150 Watt 
Nominal Output Power RMS / 4 Ohm: 2 x 250 Watt 
Nominal Output Power Class A / 8 Ohm: 2 x 10 Watt 
Harmonic Distortion: < 0.1 % (1 kHz, 1 Watt) 
Input Sensitivity: 300 mV 
Signal-Noise Ratio: > 90 dB 
Input Impedance: 47 kOhm 
Inputs: 3 x Stereo RCA, 1 x Optical, 1 x Coaxial, 1 x Bluetooth
Outputs: 1 x Stereo RCA Pre Out, 1 x Stereo RCA Rec Out, 4 x 2 Speaker Terminal, 2 x 3.5 mm Jack (Power Control)
Tubes: 1 x 12AX7; 2 x 6N1P
Colour: Black / Silver
Weight: 20.4 kg
Dimensions (WxHxD): 430 x 152 x 435 mm
 
https://www.vincent-tac.de/en/product-types/integrated-amplifiers/sv-237mkii.html