Eatern Electric
http://www.eeaudio.com/
M88 balance input vacuum tube integrated amplifier

Specifications
Power output: 40W RMS (8ohm)
Frequency response: 20Hz-50KHz(±1dB)
THD: 1%(1W 1KHz)
Input sensitivity: 390mV
Input impedance: 100K
Output impedance: 4, 8 and 16ohm
Signal to noise: 87dB
Power consumption: 250W
Dimension(W×L×H):430mm×415 mm×200 mm
Weight:23KG