Nakamichi CD-4
Not much is documented about the Nakamichi CD-4. It was a standalone CD player. What survives is a short list of published specifications. No production years, no original price, no design or circuitry details have turned up. Every fact below traces to a single source, a hifi-wiki.com listing.
The CD-4 drew 15 W and delivered 2 V output. Dynamic range was rated at 95 dB, with total harmonic distortion claimed at 0.0015% at 1 kHz. It measured 435 × 90 × 285 mm and weighed 5.5 kg. A remote control and audio cable came in the box. No DAC chip, transport mechanism, or input/output details beyond output voltage have been found. High Fidelity (October 1973, p.59) covered Nakamichi's new-for-1974 equipment in the context of the industry's push into quadraphonics, but the CD-4 itself, a digital playback unit, doesn't appear in that discussion.
- Type: CD player
- Power consumption: 15 W
- Dynamic range: 95 dB
- THD: 0.0015% (1 kHz)
- Output: 2 V
- Dimensions: 435 × 90 × 285 mm
- Weight: 5.5 kg
- Accessories: remote control, audio cable
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