Pioneer SX-1250 (1976–1978)
A flagship stereo receiver from Pioneer's golden era, known for its bold sound and high build quality.
Overview
The Pioneer SX-1250 is a stereo receiver released in the 1970s. It was Pioneer's top-of-the-line receiver when it came out in 1976. Pioneer marketed it as a flagship, and it was designed without compromise. Audiophiles favored it for its powerful performance and reliability. It belongs to Pioneer's SX-series of silver-face receivers, known for their dynamic headroom and commanding soundstage.
Specifications
| Power Output | 160 watts per channel into 8 ohms |
| Dimensions | 556 x 186.5 x 464.5mm |
| Weight | 64–65 lbs (29.1–29.2 kg) |
| Production Years | 1976–1978 |
Design
The SX-1250 uses a direct-coupled DC amplifier design, which keeps the signal path clean. It was produced in three distinct versions. The service manual includes a block diagram and detailed internal circuit information, so it was clearly built with servicing in mind.
Context
The SX-1250 came out during the 1970s "receiver wars," when Japanese manufacturers competed on higher power ratings and better build quality. As Pioneer's flagship at launch, it broke previous power records and was positioned as a no-expense-spared piece of engineering. Its sound is described as bold and powerful, with a clarity and neutrality that contrasts with the warmer sound of contemporaries like Sansui or Marantz.
Market
The SX-1250 is still one of the most coveted vintage receivers, often considered the best Pioneer ever made. Collectors want them, and restored units sell for over $1,000. Common restoration work includes servicing pots and switches with contact cleaner.
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Related Models
- Pioneer SR-202W (1971–1977)
- Pioneer QX-949A
- Pioneer SA-50
- Pioneer SA-8800II
- Pioneer SX-1050 (1978)
- Marantz 2226 (1974-1976)
- Marantz 2226B (1979-1980)
- Marantz 2235 (1974-1977)
- Marantz 2238B (1978-1980)
- Marantz 2250B (1978-1980)