睿志音响

	Wisdom in mind, enthusiasm at heart.

NFB-1DAC (ES9028Pro)

Dedicated Discrete Fully Balanced DAC
DSD , DXD support from USB and I2S
32bit / 768K Sabre ES9028Pro
32bit / 384K Asynchronous Transfer XMOS U208 Chip

Summarize

Use Manual

Specs

Custom Option

Shipping Cost

Use Manual:

Click to review : RJ45 and HDMI pin definitions
　

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 .

DSD / PCM support from I2S input :
The DSD/PCM support not only from the USB input, but the I2S input.   The NFB-1 can detect the I2S input signal, if input DSD signal, it will auto to remove the DSD pop noise while select the DSD track .

Digital filter setting：
　

IIR0 与IIR1：For DSD.
	IIR0	IIR1
47K	Push Into	Push Into
50K	Pull Off	Pull Off
60K	Pull Off	Push Into
70K	Push Into	Pull Off

FIR0，FIR1，FIR2： For PCM.
	FIR_0	FIR_1	FIR_2
Fast roll-off, Linear:	Push Into	Push Into	Push Into
Slow roll-off, Linear:	Push Into	Push Into	Pull Off
Fast roll-off, Minimum:	Push Into	Pull Off	Push Into
Slow roll-off, Minimum:	Push Into	Pull Off	Pull Off
Fast roll-off, Apodizing:	Pull Off	Push Into	Push Into
Fast roll-off, Hybrid:	Pull Off	Pull Off	Push Into
Brickwall filter:	Pull Off	Pull Off	Pull Off