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NFB-1DAC( 2015 )(DSD / DXD )
(The best NFB-1 model we ever had)

Dedicated Discrete Fully Balanced DAC
DSD , DXD support from USB and I2S
32bit / 384K Sabre ES9018
32bit / 384K Asynchronous Transfer  USB-32 Chip

       

                       
Summarize Use Manual Specs Custom Option Shipping Cost

Use Manual:

Power button:
Power ON/Off the DAC.

Setting button:
Select the Input 2 I2S allow PCM only or DSD / PCM both format .  In DSD / PCM modes, users except connect the I2S cable, but want to connect the DSD CTR input to the source DSD CTR output at same time.
     The DSD CTR cable price is USD10, 0.5 meter length.

     

Selector button:
Select the input sources.   1: USB input. 2: I2S input. 3 :  Optical input. 4:C
oaxial  input.

Left one LED display:
Show the
Input 2 I2S allow PCM only or DSD / PCM both format .  "P" is PCM only , "d" is DSD / PCM both modes .

Middle LED display:
Show current playback music format .
"P" is PCM , "d" is DSD  .

Right one LED display:
Show active input channel : 1: USB input. 2: I2S input. 3 :  Optical input. 4:C
oaxial  input.


Click to review : RJ45 and HDMI pin definitions
 
H mode manual:
 
       

Setting button:
       
The output voltage level can select between 2.5V +2.5V (XLR) and 1.25V +1.25V (XLR), which suits different amps . 
        H: High voltage level output. 2.5V +2.5V (XLR) or 2.5V (RCA).
        L: Low voltage level output. 1.25V+1.25V(XLR) or 1.25V (RCA)

The display auto dark :  Push into the jumper is auto dark .Please operate the jumper while the unit power off .

Digital filter setting:
SET : Push into the jumper is NOS, pull off is Oversampling .
Available of PCM signal input from USB or I2S .Please operate while the unit power off .
IIR0 与IIR1:Available for DSD input .
                 IIR0                       IIR1
50K         Pull off                    Pull off
60K         Pull off                    Push into
70K         Push into                 Pull off

FIR : Push into for setting Slow roll off , pull off for setting Fast roll off . Please operate  while the unit power off .


DSD / PCM support from I2S input :
The DSD/PCM support not only from the USB input, but the I2S input.   The NFB-28 can detect the I2S input signal, if input DSD signal, it will auto to remove the DSD pop noise while select the DSD track . (Had test working well with Amanero and Xmos U8 ) .


 

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