DIATONE DA-F480
¥ 25,000 (around 1978)
Commentary
FM/AM tuner.
Model Rating
| Type | FM/AM Tuner |
| FM Tuner Section | |
| Circuit system | RF1-Stage, 3-Series Variable Capacitor |
| IF Filter | 4-element ceramic filter |
| Practical sensitivity | 1.9 μ V (10.8 dBf, IHF, 83 MHz) |
| Effective selectivity | 60 dB (IHF, 83 MHz) |
| Capture ratio | 1.0 dB (IHF, 83 MHz, 1 mV) |
| S/N ratio (83 mhz, 1 mv) | stereo:72dB mono:78dB |
| Image interference ratio | 60dB(83MHz) |
| IF interference ratio | 90dB(83MHz) |
| Spurious interference ratio | 80dB(83MHz) |
| AM suppression ratio | 55dB(IHF) |
| Total harmonic distortion rate (1 kHz, 100% modulation) | stereo:0.3% mono:0.2% |
| Stereo separation | 1kHz:40dB 10kHz:35dB |
| Carrier leak suppression ratio | 35 dB (19 kHz, 38 kHz) |
| Frequency characteristic | 30 Hz ~ 15 kHz + 0.5 -1.0 dB |
| Output level / impedance (100% modulation) | 800mV/3k Ω |
| <AM Tuner Section> | |
| Practical sensitivity (S/N = 20 dB, IHF, bar antenna) | 40dB |
| Selectivity | 35dB(1000kHz) |
| S/N | 55dB(94dB/m) |
| Image interference ratio | 50dB(1000kHz) |
| IF interference ratio | 40dB(1000kHz) |
| Spurious interference ratio | 40dB(1000kHz) |
| Total harmonic distortion factor | 0.8%(94dB/m) |
| <General> | |
| Pwer | 100 V, 50Hz/60Hz |
| External dimensions | Width 480x Height 139x Depth 329 mm |
| Weight | 4.2kg |