Vintage Hi-Fi set from Akai AM-M5 stereo amplifier with AT-M5 Quartz Synthesizer Tuner. and Akai AP-M3. the set was introduced in 1984 in Japan. here is detailed specification of every compartment Akai AM-M5 Stereo Integrated Amplifier (1984-85) Specifications Power output: 30 watts per channel into 8Ω (stereo) Frequency response: 5Hz to 80kHz Total harmonic distortion: 0.05% Damping factor: 30 Input sensitivity: 2.5mV (MM), 150mV (line) Signal to noise ratio: 75dB (MM), 99dB (line) Channel separation: 45dB (line) Output: 150mV (line) Speaker load impedance: 4Ω to 16Ω Dimensions: 350 x 98 x 267mm Weight: 5.1kg Akai AT-M5 Quartz Synthesizer Tuner (1983-85) Type: Mono/Stereo Tuner Tuning Bands: FM, MW Tuning Scale: Digital FM Tuning Range: 87.4 to 108 MHz MW Tuning Range: 522 to 1611 kHz Sensitivity: 300uV (MW) Signal to Noise Ratio: 65dB (FM), 40dB (MW) Distortion: 0.3% (FM), 1.0% (MW) Selectivity: 60dB (FM), 25dB (MW) Output: 700mV (FM), 250mV (MW) Dimensions: 350 x 50 x 274mm Weight: 2.5kg the whole set will be well packed and shipped within one working day.