DIATONE DA-30R
¥ 24,000 (around 1970)
Commentary
FM/AM tuner using silicon transistor.
A low-noise high-sensitivity FET is used for the FM front-end, and silicon transistors are used for other circuits.
Equipped with a pure electronic FM mono-stereo automatic switching circuit.
Model Rating
| Type | FM/AM Tuner |
| FM Tuner Section | |
| Receiving frequency | 76 MHz to 90 MHz |
| Sensitivity | 2 μ V |
| Harmonic distortion | Not more than 1% |
| Signal-to-noise ratio | 55 dB or more |
| Selectivity | 40 dB or more |
| Image ratio | 45 dB or more |
| Intermediate frequency interference ratio | 70 dB or more |
| FM separation | 40 dB or more |
| <AM Tuner Section> | |
| Receiving frequency | 535 to 1605 kHz |
| Sensitivity (IHF) | 25 μ V |
| Image ratio | 45 dB or more |
| Intermediate frequency interference ratio | 35 dB or more |
| Selectivity | 35 dB or more |
| <Audio Output> | |
| Rated output voltage | 1.0V |
| <General> | |
| Pwer | AC100V |
| Power consumption | 7 VA or less |
| External dimensions | Width 330x Height 120x Depth 300 mm |
| Weight | 5kg |