Sansui 9000X (c. 1983–1984)
Documentation on the Sansui 9000X is thin. Period ads market it as the Z-9000X, and what survives is mostly Sansui's own advertising. The model appears as the top name in a four-receiver "Z" series introduced around 1983, alongside the Z-3000X, Z-5000X, and Z-7000X.
Sansui's advertising in Audio (March 1984, p.9) claimed the Z series was free of audible distortion. It also said the company had not reserved its newest technology for the most expensive model. The same campaign, repeated in HiFI-Stereo (September 1983, p.117), described a quartz-synthesized tuner, microprocessor control, and a one-touch Simul Switch. One press of the Simul Switch turned the receiver on and selected an input (turntable, tape deck, or AM/FM). The line's output was quoted as 130 down to 55 watts across the four models.
No independent test reports, service manual, or detailed spec sheet for the 9000X has surfaced in the Archive's search. Its exact per-channel rating, distortion figures, and production dates remain unconfirmed. If you own one and have the manual or measurements, the Archive would welcome the record.
Known from period advertising:
- AM/FM receiver, "Z" series (Z-3000X through Z-9000X)
- Quartz-synthesized tuning, microprocessor control
- One-touch Simul Switch: power-on and source selection together
- Output range quoted for the four-model line: 130–55 W
- Advertised in Audio and HiFI-Stereo, 1983–84
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