TRIO FX-2
¥ 23,200 (around the early 1960 s?)
Commentary
FM multi-stereo tuner compatible with FM stereo broadcast transmission.
Equipped with an FM multi-stereo receiving circuit, it can receive FM stereo broadcast transmission.
In addition, an FM stereo indicator is installed so that you can check the stereo station.
External noise is suppressed by the 2-stage configuration of the limiter circuit.
The high-frequency circuit uses a 3-row varicon.
Equipped with a noise filter.
Equipped with FM-AFC (Automatic Frequency Stabilization Circuit).
Once the channel is selected and the AFC is turned ON, there is no gap in the tuning point and you can enjoy sound with little distortion.
Model Rating
| Type | FM multi-stereo tuner |
| Receiving frequency | 76 MHz to 90 MHz |
| Sensitivity | 1.9 μ V/84MHz (S/N 20 dB) 2.5 μ V/84MHz (S/N 30 dB) |
| Image ratio | 45 dB or more |
| Distortion factor | 1% or less (400 Hz, 100% modulation) |
| Limiter starting ocular application voltage | 5 μ V (84 MHz) |
| Frequency characteristic | 20 Hz to 20 kHz (0.5 dB or less) |
| FM multi-stereo characteristics | Frequency Characteristics : 50 Hz to 15 kHz (within 0.5 dB) Separation : 38 dB or more (400 Hz) Distortion factor : 1% or less (400 Hz, 100% modulation) |
| Input impedance | 75 Ω unbalance |
| Output voltage | 1.5 V (100% modulation) |
| Signal-to-noise ratio | 55 dB or More (500 μ V input, 100% modulation) |
| Used vacuum tubes, etc. | Vacuum Tubes (12 pcs) 6AQ8 : 2 pieces 6BA6 : 2 pieces 6AU6 : 3 pieces 6AV6 : 1 Piece 12AU7 : 1 piece 12AX7 : 1 Piece 6X4 : 1 Piece EM-84 (Beam Indicator) : 1 piece Diode : 8 pcs |
| Pwer | 100 VAC / 110 V, 50Hz/60Hz |
| Power consumption | 60VA |
| External dimensions | Width 320x Height 125x Depth 240 mm |
| Weight | 5kg |