AUDIO-GD NFB-11 (2015)
DAC / Headphone Preamplifier / Amplifier
Versatile, efficient, and very affordable ...
A true Swiss audiophile knife, this NFB-11 combines the functions of DAC, preamplifier, and headphone amplifier, just that.NFB is the acronym for Non-Feedback, a technology used by Audio-GD so that it does not "color" the sound at the output stage electronics, thus providing a more neutral sound than professional.
A modern USB interface
The integrated ES9018 SABER allows you to manage 32Bit / 192kHz sources in both SPDIF and USB, and up to 384kHz in USB. In order to use the NFB-11 on Windows via its USB-B input on the rear panel, you must first download the USB-32 Driver, available on the Audio-GD website: ef = "http://www.audio-gd.com/Pro/dac/USB32/USB32EN.htm" target = "_ blank">USB-32DSD (DSD64, DSD128, DXD support)
Stunning sound reproduction:
32bit / 384kHz / DSD / DXD / TCXO
The 100% discreet design of this preamplifier (no PDO) is backed by a high power supply capable of providing the necessary energy. The ALPS RK27, the 24K Gold Plated RCs, and the Nover (UK) capacitors have fhas been specially manufactured on Audio-GD specifications. The Toshiba and Hitachi transistors were manually paired.
TCXO - 100MHz
Usually the Audio-GD devices are equipped with the standard 80MHz clock, except this Audio-GD NFB-11 includes the 100MHz TCXO Ultra Low Jitter option, perfectly associated with the ES9018. This TCXO (Temperature Compensated X (Crystal) Oscillator) clock is more precise and significantly reduces the jitter.
SABER ES9018
This DAC / Preamplifier / Headphone Amplifier High Fidelity is equipped with the famous ESS ES9018 32 bit / 384kHz. This conversion chips is capable of reading high definition formats from DSD to PCM. The NFB-11 has a "Mute" switch on the rear panel, stamped with 1 or 2. It is dedicated to playing DSD files. Set it to 1 to enable Mute Design (DSD file playback). Set it to 2 for playing PCM files.
Features:/ Div>
Ratio Signal Noise: 118dB
Level ofexit: Headphones (HP) 10V RMS / Preamplifier (Variable) 5V Max / DAC (Fixed) 2.25V RMS
Output Power (Headphone): 3500mW / 25Ohm - 1800mW / 50Ohm - 900mW / 100Ohm - 300mW / 300Ohm - 150mW / 600Ohm
Output Impedance: 2 Ohm (Headphone Output HP) / 2 Ohm (DAC Output Fixed)
Supported Operating Systems: Windows (44.1kHz to 192kHz) / OSX (44.1kHzto 384kHz) / Linux (44.1kHz to 192kHz)
Sample rate: USB (44.1kHz, 48kHz, 88.2kHz, 96kHz, 176.4kHz, 192kHz, 352.8kHz, 384kHz) Coaxial: 44.1kHz, 48kHz, 88.2kHz, 96kHz, 176.4kHz, 192kHzOptical: 44.1kHz, 48kHz, 88.2kHz, 96kHzDSD 64/128 and DXD
Input Sensitivity: 0.5Vp-p (75 Ohm, Coaxial) / 19dBm (Optical) / USB1.1 and 2.0 (Full Speed)
Frequency response: 20Hz - 20kHz (-0.2dB) / 3Hz - 350kHz (analog circuit)
Power Consumption: 12WDimensions: 180x220x55mWeight: 2kgIncluded Accessories: Power cord / USB cable
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