Sony TA 1150 (1973)
Specifications
| Feature | Specification |
| Year of Production | 1973-1975 |
| Power Specifications | 40W per channel (8Ω), stereo amplifier |
| Impedance | 4-16Ω |
| Sensitivity | Unknown |
| Key Features | DC amplifier design, dual power supplies, direct-coupled OCL circuitry, dual power meters, front panel headphone jack, pre-out/main-in jacks |
Historical Significance
Part of Sony's first generation of high-power DC amplifiers, representing early adoption of direct-coupled output technology that eliminated output capacitors for improved sound quality
Sound Signature
Clean, transparent, and detailed with excellent transient response, known for its neutral tonal balance and low distortion
Maintenance and Restoration Tips
Aging electrolytic capacitors, dirty controls and switches, potential issues with original power transistors, meter lamp replacement
Collectibility and Market Value
- Market Value: $150-$300 depending on condition and cosmetic appearance
- Collectibility Rating: 6/10
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Related Models
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- Acoustic Research research-ar-17 (1978)
- Acoustic Research AR-19 (1994)