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Pioneer SX770 receiver in excellent condition, servicedA couple small chips I filled and touched up.Repaired tone control circuitCleaned controlsAll switches and controls deoxidizedSpecificationsTuning range: FM, MWPower output: 15 watts per channel into 8Ω (stereo)Frequency response: 20Hz to 40kHzTotal harmonic distortion: 0.8%Shipping to states in longitude of Colorado, farther west or rural parts of the Midwest will be a little more, billed separately
US$425 is a fair-to-strong asking price for a clean SX-770; it sits above the rough middle of the used market, but not so far above it that excellent condition and a ready-to-play presentation stop mattering. Comparable sold and asking figures cluster from the low US$300s to roughly US$500 for tested or serviced examples, with restored pieces climbing higher, so this is not a bargain-bin score but it is still in sensible territory for a nice one.
What makes it worthwhile is the SX-770’s classic Pioneer sound and compact, handsome early-’70s styling, plus the fact that well-kept examples have real collector appeal. If the unit is genuinely excellent, with clean cosmetics, stable operation, and original faceplate/knobs intact, the premium over a rougher example is easy to justify; at this price, a recent service, strong tuner performance, and no missing trim would make it the kind of listing an enthusiast can buy with confidence.
Independent perspective — not a price guarantee. Always verify condition, accessories and provenance before purchase.
Pioneer traces its roots to 1937 in Tokyo, Japan, when founder Nozomu Matsumoto, inspired by the thrill of imported hi-fi speakers, developed the A-8 dynamic speaker and launched a radio and speaker repair shop. The business formalized as Fukuin Shokai Denki Seisakusho in 1938, evolving into Pioneer Corporation and embodying Matsumoto's philosophy of "Move the Heart and Touch the Soul" through audio innovation.
The brand excels across diverse hi-fi categories, pioneering Japan's first headphones in 1960 with the SE-1 and the world's first component-based stereo system in 1965 via the PSC-5A. Pioneer's portfolio spans amplifiers, speakers, turntables, and DACs, alongside landmark car audio advancements like the 1975 Supertuner-equipped stereo and the 1986 in-car CD player, blending home and automotive excellence.
Today, Pioneer holds a commanding mid-to-high-tier position in the market, revered for reliable, performance-driven gear that balances premium quality with accessibility. Its vintage components attract collectors, while current offerings appeal to discerning buyers seeking robust, innovative sound reproduction without boutique excess.
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