Akai PS-120M Stereo Power Amplifier (1979-80) Specifications Power output: 130 watts per channel into 8Ω (stereo) Frequency response: 1Hz to 100kHz Total harmonic distortion: 0.008% Damping factor: 350 Input sensitivity: 1V Signal to noise ratio: 115dB Speaker load impedance: 4Ω to 16Ω Dimensions: 440 x 198 x 459mm Weight: 30kg Akai PS-200C Stereo Pre Amplifier (1979-80) Connections Inputs: Phono MM 1: 2,5mV / 47kOhm, 450mV max (1kHz, RMS). Phono MM 2: 2,5mV / switchable 33 kOhm, 47 kOhm, 100 kOhm, 450mV max. (1kHz, RMS) Phono MC 3: 70µV / 10 Ohm, 10mV max. (1kHz, RMS) Tuner: 150mV / 47kOhm Aux 1, 2: 150mV / 47kOhm Tape Play 1, 2: 150mV / 47kOhm Outputs: Tape Rec 1, 2: 150mV / 600 Ohm Pre Out: 1,5 V / 600 Ohm Headphones: Specifications Frequency Response: Phono MM: 30 Hz - 15 kHz (± 0.2 dB). Phono MC: 30 Hz - 15 kHz (± 0.2 dB) High Level: 0.8 Hz - 100 kHz (± 1 dB) Distortion factor: < 0.005 % Signal-to-noise ratio: Phono MM: 88 dB Phono MC: 72 dB High Level: 106 dB Channel separation: 70 dB Tone control: Bass: ± 9 dB at 100 Hz Treble: ± 9 dB at 10 kHz Loudness: Subsonic Filter: 12 dB at 18 Hz. Muting: 0 dB, - 15 dB, - 30 dB Special Features Loudness: 2-stage Stereo / Mono / Reverse switchable MM input impedance switchable Subsonic filter Headphone output Akai PS-200T Tuner