Pioneer SX-3000 (c. 1972–1974)
The Pioneer SX-3000 is a solid-state AM/FM stereo receiver from the early 1970s. The surviving record on it is thinner than for most of Pioneer's SX-series models. It appears to have been sold mainly through military PX exchanges overseas, and period discussion identifies it as essentially the same unit as the Pioneer SX-626.
What's documented about the SX-3000 is a mix of the specific and the contradictory. The chassis is described as a simple, heavy, repairable entry in the SX line, with a silver-colored front panel and a wooden cabinet. The power amplifier stage reportedly used a differential amplifier with a diode current mirror on the first stage and a two-stage Darlington pure complementary OCL output circuit. That was a respectable topology for the era. Sources disagree on output: figures of 15W, 27W, and a truncated "35 watts per…" all circulate. Without a service manual or period test report to settle it, the number stays open. Weight is given as 22 pounds. Tuning coverage was FM and MW.
The SX-3000 was sold in 120-volt form only in military PX areas overseas, while the domestic-market equivalent was the SX-626. A forum commenter compared it favorably to an 18-watt Sherwood. He noted that the extra ten watts per channel would be a meaningful step up, and that if the SX-3000 was indeed the same as the SX-626, it was worth serious consideration.
Production dating is approximate. Most sources place it around 1972-1974, with one putting it slightly earlier at 1971-1973. Original price is cited at $199, a mid-tier figure for its time. Collectors occasionally list it. Asking prices have included $250 for a PX-purchased example in Pennsylvania and a 19,000-ruble listing for a 100-volt Japanese-market unit described as fully working. A 2025 parts listing for a terminal block covers the SX626, SX727, SX828, and SX3000 together, which confirms at least some shared internal hardware across the series.
- Type: AM/FM stereo receiver
- Years: c. 1972–1974 (one source suggests 1971–1973)
- Original price: $199
- Weight: 22 lbs
- Tuning: FM, MW
- Power output: Conflicting figures (15W / 27W / 35W per channel) — unresolved in available sources
- Related model: Sold as the SX-626 in domestic markets
Beyond its listing in period directories and the PX connection, almost nothing else is formally recorded about the SX-3000. There are no dimensions, no THD or frequency response measurements, and no detailed input complement.
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