Input Impedance: 100Kohm Output Impedance:4ohm 8ohm. Signal to Noise Ratio: 89dB Input Sensitivity: 500--2000mV. Total Hamonic Distortion: less than 1%(1KHz).
Power Supply: AC220V or 110V. Tubes used: 2pcs EL34B, 1pc 6N9P, 1pc 5Z3P. Size:350mm(W)×50mm(H)×170mm(D) Weight: 9.5kg. This is an assembled amplifier. In 7-14days or longer in some countries 20-30days. We stand behind every product we sell.