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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)

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Super Single Ended Output Mode, Same Power As Balance Output
USB / HDMI Inputs Include
Built In 4 Groups DA-8 R-2R Modules

Built In FPGA Processor , Reject The Jitter
DSD , DXD Support From USB / HDMI
32bit / 384K Asynchronous Transfer Amanero Combo 384

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

Gain
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L mode : +7DB
H mode : +17DB
F mode :  + 17DB
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Volume characteristic
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100 steps Super Exponential Volume Characteristic

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

Preamp Variable output : 10V RMS (balance)

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

Balanced and Single ended modes had same power output


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

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Output impedance
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1 ohm /  Headphone output

5 ohm / DAC / Preamp output
Input Sensitivity
0.5 Vp-p(75 Ohms, Coaxial)
19 dBm (Optical)
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Support Operate Systems (USB)
Windows, OSX, Linux, ISO
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Support Sampling  
 USB model & I2S: 44.1kHz, 48kHz, 88.2kHz, 96kHz, 176.4kHz , 192kHz, 352.8kHz,384kHz
 Coaxial model: 44.1kHz, 48kHz, 88.2kHz, 96kHz, 176.4kHz ,192kHz
Optical model: 44.1kHz, 48kHz, 88.2kHz, 96kHz
Power Requirement
1 Version  100-120V  AC 50/60 Hz

2 Version  220-240V  AC 50/60 Hz
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Power Consumption
33W
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Package Weight
Approximately 7.5KG
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Dimensions
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W360 X L360 X H85(MM, Fully aluminium ) 
Accessories
AC power cord            X1
USB cable X1
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