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Manufacturer: Audio-gd Code: AUDIO-GD-NFB-11-2014 Stock:
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NFB-11 (ver. 2015)(Since 1th Feb 2015)#
Discrete DAC + Headphone amplifier / Preamplifier
32bit / 384K Asynchronous USB VIA Vinyl Audio VT1731
32bit / 192K Sabre ES9018
Main Features
Fully discrete analog stages without any OPA and couple caps in the signal channels
Non-feedback ACSS analog output stage
Total of 6 groups dedicated power circuits are used to purify the power supply
Applies a custom order ALPS 27 volume pot for reducing channel imbalance and improving on sound quality
3 channels digital input: coaxial/Optical/USB
DAC output: RCA (User can setting with either variable level as DAC with preamp combo or fixed output level as dedicated DAC)
Headphone output: 6.3mm SE
USB Audio Class 2 High-speed Input from Windows/MAC/Linux
Supports High/full speed Asynchronous Transfer Mode up to 384kHz/32Bit ability
Resolutions support 16/24/32 bit with sampling rate support 44.1kHz, 48kHz, 88.2kHz, 96kHz, 176.4kHz, 192kHz
Supports up to 32Bit/192KHz (coaxial, USB)
High-End grade parts built in
ALPS 27 volume pot
Toshiba optical receiver and transistors
gold plate pure copper RCA sockets etc.
S/N Ratio
118dB
Output Level
Headphone output : 10V RMS Variable output : 5V Max Fixed output: 2.5V RMS
Output power (Only for headphone.)
3500mW/25 Ω ( 90mW Class A) 1800mW/50 Ω ( 180mW Class A) 900mW/100 Ω ( 360mW Class A) 300mW/300 Ω ( Full Class A) 150mW/600 Ω ( Full Class A)
Output impedance
2Ω/Headphone output 2Ω/DAC output
Input Sensitivity
0.5 Vp-p(75Ω, Coaxial) 19 dBm (Optical) USB1.1 / 2.0 (High Speed / Full Speed)
Supported Operating Systems (USB)
Windows : 44.1kHz to 192kHz music files OSX : 44.1kHz to 384kHz music files Linux : 44.1kHz to 192kHz music files
Supported 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)
Frequency Breadth
20Hz - 20KHz (-0.2dB) 3Hz - 350KHz (Analog part)
Power Requirement
1 Version 100-120V AC 50/60 Hz 2 Version 220-240V AC 50/60 Hz
Power Consumption
12W
Package Weight
2kg
Dimensions
W163×L210×H42(mm, Fully aluminium)
Accessories
AC power cord X1 USB cable X1
This product was added to our catalog on Tuesday 30 October, 2012.
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