SONY ST-JX3
¥ 32,000 (around 1981)
Commentary
FM/AM tuner equipped with SENS switches and CALTONE circuits.
It employs an Acute Servo Lock method that locks the optimum tuning point within an extremely narrow range and provides stable reception.
Equipped with a SENS switch, both FM and AM have improved real sensitivity, enabling clearer reception of weak radio waves.
The IF stage of the FM tuner section is equipped with a uniphase filter.
The AM tuner section enables high-fidelity reception by increasing the bandwidth.
Equipped with a litmus dial pointer that changes from red to green when tuned.
Equipped with a 3-point LED signal indicator.
It is equipped with CAL TONE.
Equipped with low-pass filter and beat cut filter.
Model Rating
| Type | FM/AM Tuner |
| Practical sensitivity | 1.8 μ V (IHF), 10.3 dBf (new IHF) |
| Stereo distortion factor | 0.12% |
| Effective selectivity | 80dB |
| Spurious interference ratio | 75dB |
| Separation | 50dB |
| Power consumption | 8W |
| External dimensions | Width 430x Height 55x Depth 340 mm |
| Weight | 3.4kg |