ROTEL RT-222
¥ 19,500 (around 1973)
Commentary
Compact size FM/AM tuner.
A precision 3-row varicon is adopted for the FM front end part.
Uses IF3-stage amplification.
Equipped with SCA filter.
Model Rating
| Type | FM/AM Tuner |
| FM Tuner Section | |
| Antenna impedance | 300 Ω equilibrium 75 Ω unbalance |
| Sensitivity (IHF) | 3 μ V |
| Signal-to-noise ratio | 65 dB or more |
| Image interference ratio | 40 dB or more |
| Capture ratio | 5dB |
| Selectivity (IHF) | 30dB |
| Separation | 35dB(1kHz) |
| Output voltage | 1.3V |
| <AM Tuner Section> | |
| Sensitivity | 25 μ V (S/N = 20 db) |
| Image interference ratio | 50dB(1MHz) |
| Selectivity | 28dB |
| Signal-to-noise ratio | 50dB |
| Output voltage | 300mV |
| <General> | |
| Semiconductor used | Transistor : 12 Diode : 16 pcs |
| External dimensions | Width 320x Height 110x Depth 210 mm |
| Weight | 2.5kg |