睿志音响

	Wisdom in mind, enthusiasm at heart.

NFB-17.32（USB applied USB32）
Dedicated Discrete Fully Balanced DAC

32bit / 384K Asynchronous Transfer USB-32 Chip
Built in 2 Pieces Hi-end grade WM8741 Chips

Price:
NFB-17.32 : USD449

Summarize

Use Manual

Specs

Technology Detail

Custom Option

Shipping Cost

The rule of the power ON / OFF:
Power On :
Source power ON ----> NFB-17 power ON ----> Amp power ON ( preamp , headphone amp and integrated amp )
Power Off:
Amp power OFF ( preamp , headphone amp and integrated amp ) ---> NFB-17 power OFF ---> Source power OFF .

Use Manual:

Power button:
To power ON/Off the NFB-17 .
　

OS button:
Select the NFB-17 working at 2X , 4X or 8X oversampling.
　

Filter button:
Select the NFB-17 working at 3 different digital response.
　

Selector button:
Select the input sources. 1: USB input. 2: Coaxial input. 3 : Coaxial input. 4：Optical input. 5：Optical input.
　

Frequency response diagram from RCA / XLR /ACSS output: ( Click to zoom)
Display OS=8, Filter = 1 :	Input sampling 44.1KHz,24Bit, -2.5DB at 20KHz	Input sampling 48KHz,24Bit, -0.2DB at 20KHz , -3DB at 23KHz
8X oversampling , Minimum phase apodising filter. Support up to 48KHz .

Display OS=8, Filter = 2 :	Input sampling 44.1KHz,24Bit, -0.2DB at 20KHz , -3DB at 25KHz	Input sampling 48KHz,24Bit, -0.2DB at 20KHz , -3DB at 25KHz
8X oversampling , Linear phase apodising filter. Support up to 48KHz .

Display OS=8, Filter = 3:	Input sampling 44.1KHz,24Bit, -2.5DB at 20KHz	Input sampling 48KHz,24Bit, -0.2DB at 20KHz , -3DB at 23KHz
8X oversampling , Linear phase half-band filter for backward compatibility. Support up to 48KHz .

Display OS=4, Filter = 1:	Input sampling 44.1KHz,24Bit, -3DB at 15KHz	Input sampling 48KHz,24Bit, -3DB at 17KHz	Input sampling 96KHz,24Bit, -0.2DB at 20KHz , -3DB at 31KHz
4X oversampling , Minimum phase 'soft-knee' filter. Support up to 96KHz .

Display OS=4, Filter = 2 :	Input sampling 44.1KHz,24Bit, -3DB at 15KHz	Input sampling 48KHz,24Bit, -3DB at 17KHz	Input sampling 96KHz,24Bit, -0.2DB at 20KHz , -3DB at 31KHz
4X oversampling , Linear phase 'soft-knee' filter. Support up to 96KHz .

Display OS=4, Filter = 3 :	Input sampling 44.1KHz,24Bit, -2.8DB at 20KHz	Input sampling 48KHz,24Bit, -0.3DB at 20KHz , -3DB at 24KHz	Input sampling 96KHz,24Bit, -1DB at 20KHz , -3DB at 42KHz
4X oversampling , Linear phase 'brickwall' filter. Support up to 96KHz .

Display OS=2, Filter = 1:	Input sampling 44.1KHz,24Bit, -3.2DB at 20KHz	Input sampling 48KHz,24Bit, -2.5DB at 20KHz , -3DB at 22KHz	Input sampling 96KHz,24Bit, -0.5DB at 20KHz , -3DB at 25KHz
2X oversampling , Minimum phase 'soft-knee' filter. Support up to 192KHz .

Display OS=2, Filter = 2:2 :	Input sampling 44.1KHz,24Bit, -3.5DB at 20KHz	Input sampling 48KHz,24Bit, -2.7DB at 20KHz	Input sampling 96KHz,24Bit, -0.8DB at 20KHz , -3DB at 25KHz
2X oversampling , Linear phase 'soft-knee' filter. Support up to 192KHz .

Display OS=2, Filter = 3 :	Input sampling 44.1KHz,24Bit, -2.5DB at 20KHz , -3DB at 22KHz	Input sampling 48KHz,24Bit, -2DB at 20KHz , -3DB at 23KHz	Input sampling 96KHz,24Bit, -0.2DB at 20KHz , , -3DB at 40KHz
2X oversampling , Linear phase 'brickwall' filter. Support up to 192KHz .