Audio Database

The

DIATONE DA-U480
34,000yen(around the 1978 time)

Description
 


Rating of a mode
Form Integrated Amplifier
Circuit system Power-amplifier part: 2 steps of differential whole page direct connection pure complimentary OCL
Equalizer amplifier part: Positive/negative 2 power source, high proof-pressure IC
Continuation output (20Hz - 20kHz) 25W+25W (8ohms)
THD
(20Hz - 20kHz, 8ohms)
At the time of an Output power: 0.1%
At the time of 13W output: 0.05%
At the time of 1W output: 0.05%
Output bandwidth (IHF 0.1% distortion) 10Hz - 40kHz
Dumping factor 40 (1kHz, 8ohms)
Conformity load impedance 4ohm-16ohm
Input sensitivity/impedance Phono: 2.5mV/50kohm
Tuner, AUX, Play1, 2:150mV/50kohm
Mic: 2mV/10kohm
An Output voltage/impedance Rec1, 2:150mV/600 ohms
Headphone: 340mV/eight ohms
Frequency response Phono(RIAA deflection): 20Hz-20kHz±0.5dB
Tuner, AUX, and Play:10Hz-60kHz+0 -1 dB
Phono maximum permissible input 200mV (distorted [ 0.1% ] 1kHz)
Tone control Bass: ±8dB (100Hz)
Treble: ±8dB (10kHz)
Loudness control +6dB(100Hz)
Volume 30dB o'clock: +3dB (10kHz)
S/N ratio (IHF, A network)
Input short-circuit
Phono:74dB
Tuner, AUX, Play: 100dB
The semiconductor used IC: Two pieces
Transistor: 26 pieces
Diode: 19 pieces
Power source AC100V 50Hz/60Hz
Power consumption At the time of the Electrical Appliance and Material Control Law output : 63W
At the time of an Output power: 110W
The power-source side fuse capacity AC125V, 3A
AC outlet Two lines (total 1A)
Dimensions Width 480x height 139x depth of 324mm
Weight 7kg