Audio Database

The

DIATONE DA-U660
59,800yen(around the 1975 time)

Description
 


Rating of a mode
Form Integrated Amplifier
<Power amplifier part>
Output (both ch operation)
20Hz - 20kHz : 50W+50W (4ohms)
40W+40W (8ohms)
1kHz: 60W+60W (4ohms)
45W+45W (8ohms)
THD 0.5% (at the time of rating)
0.07% (1 W:00)
Cross modulation distortion 0.07% (1 W:00)
Power bandwidth 20Hz - 50kHz
Dumping factor 40 (8ohms)
Remains noise 0.3mV
Input sensitivity/impedance 1V/50kohm
<Preamplifier part>
Input sensitivity/impedance
Phono1, 2 : 2.5mV/50kohm
High Level Input: 150mV/80kohm
An Output voltage/impedance
Pre Out: 1V/0.7kohm
Rec1, 2 : 150mV/5kohm
THD 0.05%
Frequency response
Phono(RIAA STD): 20Hz-20kHz±0.5dB
High Level Input: 20Hz - -20kHz 0.5dB
Tone control Bass: ±10dB (100Hz)
Treble: ±10dB (10kHz)
Filter Low:40Hz(12dB/oct)
High:9kHz(12dB/oct)
Phono allowable input 190mV (distorted [ 0.1% ] 1kHz)
Input conversion noise Phono:-118dB(V)
High Level Input:-100dB(V)
MIC:-124dB(V)
<Synthesis>
Power source AC100V 50Hz/60Hz
Power consumption 97W
Dimensions Width 400x height 148x depth of 313mm
Weight 10kg