Sony TA 1120A (1969)
Specifications
| Feature | Specification |
| Year of Production | 1969-1971 |
| Power Specifications | 60W per channel (8Ω), stereo amplifier |
| Impedance | 4-16Ω |
| Sensitivity | Unknown |
| Key Features | Dual mono construction, fully discrete circuitry, direct-coupled OCL output, FET input stage, massive power transformer, separate left/right power supplies, front panel bass/treble controls |
Historical Significance
Flagship amplifier from Sony's ES (Elevated Standard) series, represented Sony's engineering peak in the late 1960s, competed directly with top-tier Western amplifiers, showcased Japanese high-end audio capability
Sound Signature
Clean, detailed, and powerful with excellent transient response, neutral tonal balance, tight bass control, and wide soundstage
Maintenance and Restoration Tips
Aging electrolytic capacitors, potentiometer cleaning, thermal drift in bias circuits, occasional transistor failure in driver stages, original fuse holders may develop poor contact
Collectibility and Market Value
- Market Value: $800-$1,500 depending on condition and originality
- Collectibility Rating: 8/10
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