Sony STR 7085 (1978)
Specifications
| Feature | Specification |
| Year of Production | 1978-1980 |
| Power Specifications | 120W per channel (8Ω, 20Hz-20kHz, 0.08% THD), 150W per channel (4Ω) |
| Impedance | 4-16Ω |
| Sensitivity | Unknown |
| Key Features | DC power amplifier design, dual power transformers, FET front end, quartz-locked PLL FM stereo tuner, dual power meters, pre-out/main-in jacks, loudness control, tape monitor |
Historical Significance
Flagship receiver in Sony's ES (Elevated Standard) series, represented Sony's top-tier engineering during the late 1970s receiver wars, known for exceptional build quality and technical performance
Sound Signature
Clean, detailed, and neutral with excellent transient response, tight bass control, and wide soundstage, considered more analytical than warm vintage receivers
Maintenance and Restoration Tips
Aging electrolytic capacitors, dirty controls and switches, lamp replacement for meters and dial, occasional relay issues, power supply board recapping recommended
Collectibility and Market Value
- Market Value: $800-$1,500 depending on condition and cosmetic appearance
- Collectibility Rating: 8/10
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Related Models
- Sony STR 7025 (1975)
- Sony STR 7035 (1973)
- Sony STR 6550 (1970)
- Sony STR 202 (1972)
- Sony STR 6000 (1973)
- Akai AM-2850 (1975)
- Akai AP-206 (1975)
- Nakamichi BX-1 (1985)
- Acoustic Research research-ar-17 (1978)
- Acoustic Research AR-19 (1994)