*Circuit type: Class A Single Ended triode
*Rated power output: 50 watts rms
*Frequency response: 10-40 kHz +/- 1 dB
*Bandwidth @ 1/2 rated power: 15-30 kHz +/- 1 dB
*Rated input sensitivity: 1 volt
*Input impedance: 150 k Ohms
*Signal to Noise ratio, A weighted: > 85 dB below rated power
*Speaker terminals: 3 pairs of 5 way binding posts, gold plated
*Chassis Size: 10" H x 12.25" W x 24" D
*Weight, per amplifier chassis: 110 lb.