Power output: 75 watts per channel into 8Ω (stereo), 150 watts into 8Ω (mono)
Frequency response: 20Hz to 20kHz
Total harmonic distortion: 1%
Signal to noise ratio: 90dB
Speaker load impedance: 4Ω to 16Ω
Valve complement: 4 x 6550, 2 x 6CG7, 1 x 5751
Data sheet