Audio Database

The

DIATONE DA-F480
25,000yen(around the 1978 time)

Description
 


Rating of a mode
Form FM/AM tuner
<FM tuner part>
Circuit system One step of RF, a triple variable condenser
IF filter Four-element ceramics filter
Practical speed 1.9 microvolts (10.8dBf, IHF, 83MHz)
The degree of effective selection 60dB (IHF, 83MHz)
Capture ratio 1.0dB (IHF, 83MHz, 1mV)
S/N ratio (83MHz, 1mV) stereo:72dB
mono:78dB
Image disturbance ratio 60dB(83MHz)
IF disturbance ratio 90dB(83MHz)
Spurious disturbance ratio 80dB(83MHz)
AM oppression ratio 55dB(IHF)
THD (1kHz, 100% abnormal conditions) stereo:0.3%
mono:0.2%
Stereo separation 1kHz:40dB
10kHz:35dB
Career leak oppression ratio 35dB (19kHz, 38kHz)
Frequency response 30Hz-15kHz+0.5 -1.0 dB
An Output voltage/impedance (100% abnormal conditions) 800mV/3kohm
<AM tuner part>
Practical speed (S/N=20dB, IHF, bar antenna) 40dB
The degree of selection 35dB(1000kHz)
S/N 55dB(94dB/m)
Image disturbance ratio 50dB(1000kHz)
IF disturbance ratio 40dB(1000kHz)
Spurious disturbance ratio 40dB(1000kHz)
THD 0.8%(94dB/m)
<Synthesis>
Power source 100V, 50Hz/60Hz
Dimensions Width 480x height 139x depth of 329mm
Weight 4.2kg