Alpine 7900 CD Tuner (c. 1987)
Almost everything known about the Alpine 7900 CD Tuner comes from one period review. HiFI-Stereo (1987, p.130) calls it a Compact Disc player with an AM/FM tuner, with volume and balance controls.
The same review says the CD section used a super-linear D/A converter and a 3-beam laser pick-up. A thermal shut-down circuit protected it from overheating, and a built-in DC-to-DC converter kept the current supply steady. The display showed track number and play-time. Listed specifications:
- Frequency response: 5–20,000 Hz ±1 dB
- Wow and flutter: 0.001%
- Signal-to-noise ratio: 90 dB (A-weighted, referred to 0 dB)
Past that 1987 review, the archive has nothing on production years, original price or installation details.
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