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R2R 2
(PCM / DXD / DSD Native support,
USB / HDMI inputs include
Fully Dedicated Discrete  R-2R resistor ladders DAC
OS/NOS modes selection on front plate
Built in 2 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

  

         

R2R 2 can match with C 2 working flawless, buy the combo R2R 2 + C2 get discount.
Click to view               
C 2

Summarize Use Manual Specs Custom Option Shipping Cost
Setting button on front plate:
Push into: NOS mode.
Pull off: OS mode.

       The OS mode had include the 8x, 4x, 2x oversampling and a classis NOS mode. The sound flavor warmer while the oversampling lower, and the classis NOS mode had warmest sound favor.

        The NOS mode with push into the setting button had different arithmetic to the classis NOS mode. There are 3 different mode available , the sound not on warm side but smooth .
Users can burn in the unit more than 300 hours , try different modes while button push into or pull off, find the best sound for favorite, in future just through change the button state can had two different sound flavors .

         Even users had not change any inside setting, change the button state, the sound still had change obvious.

          R2R 2 had not applied any mute switches for keep the signal without degrade , So switch the Setting button and Select, we are advice turn the amp lower volume.
 

 

Jumpers setting


 

Note 1:    ON mean the jumper push on.
              OFF mean the jumper pull off.
              Please power off the unit while change the jumpers for avoid the chip damage by the static electric .
              For safe, user must pull off the AC power cable before take off the top cover.

Note 2:    If the HDMI input signal not enough good, ( it may cause by the source or the HDMI cable quality or the RF interrupt to the HDMI cable), the sound may had noise or distortion or no sound in some sampling, try to push into the jumper on DITH pins.

Setting button pull OFF

Jumpers Number

Jumper Setting

Functions describing

BYPASS

Connect to the setting button, don't push into jumper in any time.

PLLEN

Inactive (OFF)

Active (ON)

PLL setting

DITH

Note 2

 

 8X OS

4X OS

2X OS

NOS

The sound will become smoother and warmer while setting lower oversampling.Default setting in the 8X OS which is the best neutral sound.

IPS0  (OFF)  (ON)  (OFF)  (ON)

IPS1

 (OFF)

 (OFF)

 (ON)

 (ON)

ATT0

Reserved

ATT1

Reserved

Setting button push into

Jumpers Number

Jumper Setting

Functions describing

BYPASS

Connect to the setting button, don't push into jumper in any time.

PLLEN

Inactive (OFF)

Active (ON)

PLL setting

DITH

Note 2

IPS0

Reserved

IPS1

Reserved
  Mode 1 Mode 2 Mode 3 Mode 3 Different sound flavors between different modes.

ATT0

 (ON)

 (OFF)  (ON)  (OFF)

ATT1

 (ON)

 (ON)  (OFF)  (OFF)

HDMI definitions :
Please note: Don't hot push / pull of the I2S cable. Any time must power off the units then push or pull the I2S cable.
Pin 1 :        SDATA -                     
Pin 2 :        GND                         
Pin 3 :       SDATA +                    
Pin 4 :       SCLK +                       
Pin 5 :       GND                         
Pin 6 :       SCLK -
Pin 7 :       LRCK -                        
Pin 8 :       GND                         
Pin 9 :       LRCK +
Pin 10:      MCLK +                     
Pin 11:      GND                         
Pin 12:      MCLK -
Pin 13:      NC                            
Pin 14:      NC                           
Pin 15:      NC
Pin 16:      NC                            
Pin 17:      GND                         
Pin 18:      NC
Pin 19:      Auto on control  (Without function in this product.)


 

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