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 |