Electric Performance Index Gain:14.5dB Frequency Response:10Hz-90KHz(-2dB) Distortion:≤0.03% SNR:≥93dB(A) Channel separation:63dB(1kHz) Input impedance:47kΩ Output impedance:230Ω Maximum Output level:18V(when THD is 0.5) Maximum Power Consumption:42W Tube:12AX7 /ECC83x 2 12AU7 /ECC82x 2 EL84 x 1 5AR4 x 1 Gross Weight:about 11 kg Net Weight:about 9 kg Size:(W)320 mm(D)295 mm(H)195mm Size:(W)420 mm(D)390 mm(H)285 mm