JVC JA-S31 amplifier, tested and working. All components are 100% the original ones. Professionally cleaned, but never recapped. Technical data Continuous power (at the distortion factor) 8 Ohm: 2x 45 Watt, 1 kHz, 0.2% 4 Ohm: 2x 48 Watts, 1 kHz, 0.2% Dynamic power 8 Ohm 4 Ohm: Total harmonic distortion: 0.2% Damping factor: 30 (20 Hz - 20 kHz, at 8 Ohms) Frequency response: 10 Hz - 80 kHz, -3 dB Signal-to-noise ratio Phono: 75 dB High level: 95 dB Display adjustment: yes Bass: ± 8 dB at 50 Hz High tones: +8 dB, -9 dB at 10 kHz. Loudness: yes, +10 dB at 100 Hz, +4 dB at 10 kHz Hoog Filter Subsonic: Dempen Special features Triple overload protection Tape dubbing