Sony TA 1150D (1974)
Specifications
| Feature | Specification |
| Year of Production | 1974-1976 |
| Power Specifications | 60W per channel (8Ω), stereo amplifier |
| Impedance | 4-16Ω |
| Sensitivity | Unknown |
| Key Features | Direct-coupled OCL circuitry, dual power transformers, dual power meters, speaker protection relay, pre-out/main-in jacks, tone controls |
Historical Significance
Part of Sony's ES (Elevated Standard) series precursor, known for robust build quality and innovative direct-coupled design that eliminated output capacitors
Sound Signature
Clean, detailed, and neutral with good transient response and bass control, slightly clinical character typical of direct-coupled designs
Maintenance and Restoration Tips
Aging electrolytic capacitors, dirty controls and switches, occasional relay issues, meter lamp replacement
Collectibility and Market Value
- Market Value: $300-$600 depending on condition and cosmetic appearance
- Collectibility Rating: 7/10
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