Model | Year(s) | Analogue / Digital | Mono IHF Sensitivity, dBf | Capture Ratio: dB | Selectivity | Mono Signal Strength for 50 dB Quieting, dBF | Stereo Signal Strength for 50-dB Quieting, dBf | Separation | Stereo Harmonic Distortion | S/N Ratio Stereo | Weight, lbs. | MSRP, US$ |
---|---|---|---|---|---|---|---|---|---|---|---|---|
ST-S4 | 81-82 | D | 11.2 | 1.0 | 60/22 | 17.5 | 39 | 50 | 0.08/0.1 | 78/73 | 3.2 | 280.00 |