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Akai GX 31

May 13, 2019

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Just done !

all service !!

new idler ,new belt ,new LED light.

maybe later change from blue on white .

white LED much better -how you think ?

Akai

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Yamaha R-900 Stereo Receiver (1981-82)

price 220 $ good condition -after service Specifications Tuning range: FM, MW Power output: 70 watts per channel into 8Ω (stereo) Frequency response: 5Hz to 100kHz Total harmonic distortion: 0.015% Damping factor: 40 Input sensitivity: 0.1mV (MC), 2.5mV (MM), 120mV (line) Signal to noise ratio: 76dB (MC), 90dB (MM), 100dB (line) Channel separation: 53dB (MM), 53dB (line) Output: 120mV (line), 1V (Pre out) Semiconductors: 33 x IC, 7 x FET, 75 x transistors, 70 x diodes, 22 x LED Dimensions: 480 x 122 x 337mm Weight: 9.5kg Year: 1981

Akai GX-F31

Akai GX-F31 .after full service . Two Head Stereo Cassette Deck (1982-83) The Akai GX-F31 is a 2-motor tape cassette recorder featuring direct drive motors, DC amplifier, auto-tuning, auto tape selector, Dolby B/C noise reduction system, auto fader, intro scan and direct lead in. Specifications Type: 2-head, single compact cassette deck Track System: 4-track, 2-channel stereo Tape Speed: 4.76 cm/s Heads: 1 x record/playback, 1 x erase Motor: 1 x reel, 1 x capstan Tape Type: type I, CrO2, Metal Noise Reduction: B, C Frequency Response: 20Hz to 19kHz (Metal tape) Signal to Noise Ratio: 75dB (dolby C) Wow and Flutter: 0.035% Total Harmonic Distortion: 0.8% Input: 70mV (line), 0.25mV (mic) Output: 0.41V (line) Dimensions: 440 x 100 x 345mm

Kenwood kx-830

still in service first of all . need new idler..new belts . new led lights Kenwood KX-830 Stereo Cassette Deck (1977-79) Specifications Type: 2-head, single compact cassette deck Track System: 4-track, 2-channel stereo Tape Speed: 4.76 cm/s Heads: 1 x record/playback, 1 x erase Motor: electronically controlled DC Tape Type: type I, FeCr, CrO2 Noise Reduction: B Frequency Response: 25Hz to 17kHz (Cr02 tape) Signal to Noise Ratio: 64dB (dolby B) Wow and Flutter: 0.06% Total Harmonic Distortion: 1.3% Input: 77.5mV (line), 0.19mV (mic) Output: 0.775V (line) Dimensions: 430 x 167 x 332mm Weight: 7.5kg Year: 1978

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Akai GX 31

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