SONY ST-5950
¥ 84,800 (around 1976)
Commentary
ES-II series FM/AM tuner.
For channel selection and tuning, a precision CG varicon and LED indicator, RF amplification of MOS FET, and a balanced mixer of dual FET are used in the front end part.
A uniphase filter and IC are used in the IF stage, and a dual-FET differential amplifier and PLL IC are used in the MPX.
The audio section is composed of two power differential amplifiers.
Equipped with a muting switch made of new material SEVR.
Model Rating
| Type | FM/AM Tuner |
| FM Tuner Section | |
| FM Practical Sensitivity (IHF) | 1.5 μ V |
| Signal-to-noise ratio | stereo:70dB mono:76dB |
| Capture ratio | 1.0dB |
| Selectivity (IF) | 85dB |
| Image interference ratio | 100dB |
| IF interference ratio | 100dB |
| Spurious interference ratio | 100dB |
| Distortion Factor (400 Hz, 100% Modulation) | mono:0.1% stereo:0.2% |
| Stereo separation | 400 Hz : 50 dB or more 10 kHz : 50 dB or more |
| <AM Tuner Section> | |
| Sensitivity (when bar antenna is used) | 48dB/m |
| Signal-to-noise ratio | 50dB |
| <General> | |
| Power consumption | 25W |
| External dimensions | Width 430x Height 170x Depth 335 mm |
| Weight | 8kg |
| Sold Separately | Sidewood TAC-15 (1 Set, ¥ 2,800) |