DIATONE DA-U660 specifications diatone

Pre-main amplifier.

Method

Pre-main amplifier

Power Amplifier Unit

Output (both channel operation)

20 Hz to 20 kHz :	50W + 50W (4 Ω) 40W + 40W (8 Ω)
1kHz:	60W + 60W (4 Ω) 45W + 45W (8 Ω)

Harmonic distortion factor

0.5% (Rated)
0.07% (at 1W)

Cross modulation distortion factor

0.07% (at 1W)

Power bandwidth

20 Hz to 50 kHz

Damping factor

40 (8 Ω)

Residual noise

0.3mV

Input Sensitivity / Impedance

1V/50k Ω

Preamplifier Section

Input Sensitivity / Impedance

Phono1, 2 :	2.5mV/50k Ω
High Level Input:	150mV/80k Ω

Output Level / Impedance

Pre Out:	1V/0.7k Ω
Rec1, 2 :	150mV/5k Ω

Harmonic distortion factor

0.05%

Frequency characteristic

Phono(RIAA STD):	20 Hz to 20 kHz ± 0.5 dB
High Level Input:	20 Hz to 20 kHz -0.5 dB

Tone control

Bass : ± 10 dB (100 Hz)
Treble : ± 10 dB (10 kHz)

Filter

Low:40Hz(12dB/oct)
High:9kHz(12dB/oct)

Phono allowed input

190 mv (1 khz 0.1% Distortion)

Input reduced noise

Phono:-118dB(V)
High Level Input:-100dB(V)
MIC:-124dB(V)

Pwer

AC100V 50Hz/60Hz

Power consumption

97W

External dimensions

Width 400x Height 148x Depth 313 mm

Weight

10kg