The output power is 25W x 2 (8 ohms). The power transformer power is 150W. The frequency response is 18Hz-35kHz. The output impedance is 4-8 ohms. Total harmonic distortion is less than 1% (1kHz).
The input impedance is 100k ohms. The input sensitivity is 500mv -- 2000mv. The size (w × d × h) is 16.93 (w) x 13.39 (d) x 11.02 (h) inches.
The net weight is approximately 59.52 pounds. The package weight is approximately 66.14 pounds.