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Even though the PCM1704 PDF declare the PCM1704 support up to 96KHz / 24bit, highest word clock input is 768KHz.
In fact the PCM1704UK can support 192KHz / 24bit at 8X oversampling, the word clock input is 1.536MHz , as high as ESS9018.

SA-2 (Upgrade from Reference 9)
Dedicated Discrete Diamond Difference design  DAC
DSP inside
Built in 4 Pieces  PCM1704UK Support up to 192KHz
32bit / 384K Asynchronous Transfer  USB-32 Module
OCC wires applied

Price:  USD1550   (Exclude shipping cost)
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Summarize Use Manual Specs Technology Detail Custom Option Shipping Cost

The rule of the power ON /  OFF:
Power On :
     Source
power ON ---->  SA-2 power ON ----> Amp power ON ( preamp , headphone amp and integrated amp )
Power Off:
    Amp power OFF ( preamp , headphone amp and integrated amp ) --->
SA-2 power OFF ---> Source power OFF .


Use Manual:

Power button:
To
power ON/Off the SA-2 .
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Selector button:
Select the input sources.   1: BNC cosxial input. 2: AES input. 3 :  RCA Coaxial input. 4¡GOptical input. 5¡GI2S input. 6 : USB input .
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I2S input format:
( 3.3V level ,  we can't guarantee the I2S input can cooperate with all I2S output devices.
( The I2S transmit want to take care the transmit cable  )

Pin 1 : SDATA
Pin 3 : LRCK
Pin 5 : SCLK
Pin 7 : MCLK
Pin 2,4,6,8 GND

DSP-1 Jumpers setting

Jumpers Number

Setting

Functions describing

Jumper1  PLLEN

Active (OFF)

Bypass (ON)

PLL setting

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Stopband Attenuation

-130DB

-90DB

-50DB

Digital filter Stopband Attenuation

Jumper2 ATT1

(OFF)

(OFF)

 ( ON)

 (ON)

Jumper3 ATT0

(OFF)

 (ON)

(OFF)

 (ON)

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Oversampling

8X

4X

1X

Oversampling setting

Jumper4 IPS0

(OFF)

 OFF)

 (ON)

Jumper5 IPS1

(OFF)

 (ON)

(OFF)

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Jumper6 DITH

Active (OFF)

Inactive(ON)

Data Dithering

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Jumper8 CLKS0

Can't change the setting

For other DACs design and setting

Jumper9 CLKS1

Jumper10 OWS1

Jumper11 OWS0


Note:     ON mean the jumper push on.
              OFF mean the jumper pull off.


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