Tekniske specifikationer for Audio GD NFB 27

S/N Ratio
>120DB 
 

Gain
 
+7 DB (70 steps volume control) (XLR)
+13DB (99 steps volume control) (XLR)

Volume characteristic
 
Linear @ 70 steps
Exponent @ 99 steps

Channels cross
 
> 130DB

Channels imbalance
 
< 0.05DB
Frequency Breadth
20Hz - 20KHz  (< - 0.1DB)
1Hz - 140KHz    ( - 3DB ) 
 
 Output Level
 Headphone output : 22V RMS  (balance , max)

Preamp Variable output : 10V RMS (balance,  max)

DAC Variable output : 5 V RMS (balance,  max)

ACSS: 2MA+2MA
 
Headphone amp output power ability
(Only  headphone.)
Balanced mode

6000MW /  50 ohm 

 3500MW  /  100 ohm

1200MW / 300 ohm

600 MW / 600 ohm

 

Output impedance
 
1 ohm /  Headphone output

1 ohm / DAC output
Input Sensitivity
0.5 Vp-p(75 Ohms, Coaxial)
19 dBm (Optical)
USB1.1 ,USB2.0 (Full Speed, Class 2)
 


Support Operate Systems (USB)
 

44.1kHz to 192kHz

Support Sampling

 USB model: 44.1kHz, 48kHz, 88.2kHz, 96kHz, 176.4kHz , 192kHz
 Coaxial model: 44.1kHz, 48kHz, 88.2kHz, 96kHz, 176.4kHz ,192kHz 
Optical model: 44.1kHz, 48kHz, 88.2kHz, 96kHz (176.4KHz and 192KHz available if the source support)

Power Requirement
1 Version  100-120V  AC 50/60 Hz

2 Version  220-240V  AC 50/60 Hz
 
Power Consumption
37W
 
Package Weight
Approximately 15KG
 

Dimensions
 
W430 X L430 X H93(MM, Fully aluminium ) 
Accessories
AC power cord            X1
USB cable X1
 
Operating Temperatures
+5 °C to +40 °C
 
Operating Humidity
5 % to 90 % (without dew)