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R-28

Fully Discrete R-2R Resistor Ladders DAC

Fully Discrete DSD Native decoder

Fully Balance Discrete Transistors Headamp And Preampamps

All In One

Chassis Size 360*360*85 MM (W*D*H)

 

Built In 4 Groups of  DA-8 R-2R Modules
Built In FPGA Processor to Reject Jitter 
DSD , DXD 32bit / 384K Support From USB / HDMI
Built in real balanced headphone amp.
Built with OCC and Hi-end parts

    



   

   

   
Summarize Use Manual Specs Custom Option Shipping Cost

Improvement may result in changes in specifications and
design without notice.
S/N Ratio
>120DB
 

THD (Whole unit)
 
<0.002% (0DBV output level )
THD (Built in amps) <0.0003% (0DBV output level )

Gain
 

L mode : +7DB
H mode : +17DB
F mode :  + 17DB
 

Volume characteristic
 
100 steps Super Exponential Volume Characteristic

Channels imbalance
 
< 0.05DB
Frequency Breadth (Whole unit)
20Hz - 20KHz  (< - 0.5DB)
1Hz - 140KHz    ( - 3DB amp only )
 
 Output Level
 Headphone output : 19V RMS  (balance)

Preamp Variable output : 10V RMS (balance)

DAC Variable output : 5 V RMS (balance)
 
Headphone amp output power level
(Only for  headphone over 15 ohms.)

Balanced mode


9500mW / 25 ohm
8000MW / 40 ohm
 3500MW / 100 ohm
1200MW / 300 ohm
600MW / 600 ohm

 


Output impedance
 
1 ohm /  Headphone output

5 ohm / DAC / Preamp output
Input Sensitivity
0.5 Vp-p(75 Ohms, Coaxial)
19 dBm (Optical)
 
Support Operate Systems (USB)
Windows, OSX, Linux, ISO
 
Support Sampling  
USB & IIS : 44.1kHz - 384kHz /32Bit DSD64-512
 Coaxial mode: 44.1kHz - 192kHz
Optical mode: 44.1kHz - 96kHz
Power Requirement
1 Version  100-120V  AC 50/60 Hz

2 Version  220-240V  AC 50/60 Hz
 
Power Consumption
33W
 
Package Weight
Approximately 7.5KG
 

Dimensions
 
W360 X L360 X H85(MM, Fully aluminium ) 
Accessories
AC power cord            X1
USB cable X1
 


 

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