Pioneer SX 950 (1977-1979)
Specifications
| Feature | Specification |
| Year of Production | 1977-1979 |
| Power Specifications | 85 watts per channel (8Ω, 20Hz-20kHz, 0.1% THD) |
| Impedance | 4-16Ω |
| Sensitivity | Unknown |
| Key Features | Dual power supply, FET front end, 5-gang tuning capacitor, quartz PLL FM multiplex, loudness control, tape monitor, phono stage with MM/MC capability, walnut veneer cabinet |
Historical Significance
Top-tier receiver in Pioneer's legendary SX-x50 series, representing the peak of 1970s receiver engineering before the digital era. Known for exceptional build quality and performance that rivaled separates.
Sound Signature
Warm, detailed, and powerful with excellent bass control, smooth midrange, and extended highs. Known for its authoritative yet musical presentation with low noise floor.
Maintenance and Restoration Tips
Aging electrolytic capacitors, dirty controls/potentiometers, failing power supply transistors, dial lamp replacement, occasional relay issues
Collectibility and Market Value
- Market Value: $600-$1200 depending on condition and restoration status
- Collectibility Rating: 8/10
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- Acoustic Research research-ar-17 (1978)
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