SONY ST-1950
¥ 29,800 (around 1976)
Commentary
FM/AM tuner developed with FM air check in mind.
FET is used at the entrance of radio waves to improve sensitivity and interference rejection capability.
A uniphase filter is used for the IF stage and a PLL IC is used for the MPX part.
Equipped with 2 meters, a signal meter and a tuning meter.
Model Rating
| Type | FM/AM Tuner |
| FM Tuner Section | |
| FM Practical Sensitivity (IHF) | 1.9 μ V |
| Signal-to-noise ratio | stereo:68dB mono:73dB |
| Capture ratio | 1.0dB |
| Selectivity (400 Hz) | 60dB |
| Image interference ratio | 50dB |
| IF interference ratio | 90dB |
| Spurious interference ratio | 75dB |
| Distortion factor | Mono : 0.2% at 400 Hz, 100% modulation Stereo : 0.3% at 400 Hz with Sub 45% Pilot 10% modulation |
| Stereo separation | 100Hz:35dB 1kHz:40dB 10kHz:35dB |
| <AM Tuner Section> | |
| Sensitivity (when bar antenna is used) | 250 μ V/m |
| Signal-to-noise ratio | 50dB |
| <General> | |
| Power consumption | 19W |
| External dimensions | Width 360x Height 145x Depth 310 mm |
| Weight | 5.1kg |
| Sold Separately | Wood Case TAC-17 (¥ 4,500) |