Alpine 5900-CD (circa 1986)
Little is documented about the Alpine 5900-CD beyond a pair of period magazine reviews.
Audio (February 1986, p.72) ran an equipment profile that lists the 5900-CD at $600. Alpine's specs give a frequency response of 5 Hz to 20 kHz ±1.0 dB, total harmonic distortion of 0.005% at 1 kHz, dynamic range of 90 dB, A-weighted signal-to-noise ratio of 90 dB, and channel separation of 85 dB.
No production years, no pricing beyond the $600 figure, and no word on the wider product family have turned up.
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