Specification:

Control Functions: Volume, Mode Switch, Power On/Off and Triode / Ultra linear Switch
Power Output: 12watt ( Ultra linear ) / 8watt ( Triode ) RMS 1kHz
Total Harmonic Distortion: less than 1%( 5 watt, 1kHz )
Frequency Response: ( -3dB points at 5 watt ) 6Hz-60kHz
Input Sensitivity: 280mV
Input Impedance: 100k ohms
Output Impedance: 4,8 ohms(speaker) / 10-600 ohms (headphone) User selectable.
Signal/Noise: 90dB
Consumption: 86watt
Input Interfaces: 3 groups (RCA) , 1 group USB port
Output Interfaces: speaker terminals / headphone jacks x 2
Overall Negative Feedback: Little ( -3dB )
Vacuum Tube: KT88 / 6550 x2,ECC82 x1,ECC81 x1
Dimensions: 320 ( L ) x 260 ( W ) x 150( H ) mm
Weight: 15kg ( packed )