Power: 2x100 Watts at 1 kHz Tube Compliment: 2 x ECC82/12AU7, 4 x ECC83/12AX7/7025, 12 x EL34 or 6550 or KT90 or KT88 Inputs: Unbalanced RCA MFR: 15 Hz - 100 kHz - 3 dB THD: 0.06% Input Impedance: 100 kOhms Input Sensitivity: 750 mw Dimensions: 10" H x 20.2" W x 23.5" D Weight: 115 Pounds