Pioneer SX 880 (1978-1979)
The SX 880 sat in the middle of Pioneer's SX-x80 receiver line, a series that ran from the modest 580 up to the 1980 flagship. It was produced for only two years, 1978-1979. It is remembered as a well-built mid-range receiver from the tail end of the analog era, before digital took over. The period record shows 60 watts per channel into 8Ω (20 Hz - 20 kHz, 0.1% THD), with quartz PLL synthesized tuning, an FET front end, a dual power supply, a 5-gang tuning capacitor, and a phono stage built around low-noise transistors. That is a well-equipped package for its slot in the lineup.
It also carried the usual late-1970s Pioneer touches: loudness contour, tape monitor, and dual tuning meters. The sound has been summarized as clean, detailed, and dynamic, with good channel separation, tight bass, and smooth highs. That fits how Pioneer's better mid-range receivers of this generation are generally regarded.
Contemporary dealer price listings show where it sat in the pecking order. A listing in HiFI-Stereo (November 1978, p.164) showed the SX 880 at $288.00. By February 1979 (p.44) it appeared at $302.50 - a step below the SX 980 but above the SX 780.
Beyond that, the documentation is thin. No brochure dimensions, weight, or original list price are in the record, and there is no independent bench test to point to. What collectors can go on: typical Pioneer build quality of the era, a familiar set of age-related issues (aging electrolytic capacitors, scratchy controls, tired dial lamps, occasional protection-circuit trouble), a market value that research puts in the $300 - $600 range depending on condition, and a collectibility rating of 7/10.
Known specs at a glance:
- Output: 60W/channel into 8Ω, 20 Hz–20 kHz, 0.1% THD
- Tuning: quartz PLL synthesized, FET front end, 5-gang tuning capacitor
- Features: phono stage with low-noise transistors, loudness contour, tape monitor, dual tuning meters
- Production: 1978–1979
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