Sidebar
Tube stereo power amplifier.
Tube complement: eight 6550EH, five 6N1P.
Power output: 100Wpc (impedance not stated) (20dBW).
Bandwidth: 10Hz-40kHz, -3dB.
Frequency response at 1W: 0.8Hz-40kHz, -3dB.
Input sensitivity: 1.1V RMS (28dB voltage gain into 8 ohms).
Input impedance: 100k ohms.
Damping factor: 11.
Output polarity: noninverting.
Overall negative feedback: 12.7dB.
Risetime: 10µs.
Hum & noise: <0.2mV RMS, 103dB below rated output (IHF weighted, input shorted).
Power-supply energy storage: 332 joules.