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SA-3000

Diamond Differential
Real balance  output Preamplifier


(Support XLR/RCA  Input )


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   Applied all audiophile grade components, include DALE resistors, RA resistors, EVOX and SOLEN caps, custom order NOVER (UK brand) caps, all audiophile grade input & output sockets and gold IEC socket.

  Sound Characteristics:   A bit smooth and musical but still has good detail and dynamic.

  Product Features: This product applies diamond differential circuit, which has been loved by most Chinese and HongKong users. This circuit has always been  highly praised by users with its excellent performance and musical of whole  frequencies. Other circuits tend to lose details and clarity when they get the musical flavor, this product, however, retains rich details and high clarity with its abundant music flavor. Diamond differential circuit has not only more profusion of whole frequency harmonic, but also an extremely clear sense of space and a correct delivery of speed.

             SA-3000 without DC  servo circuit , thus it not only achieves the best performance on low frequency response and control power, but also has no sensible influence on the tone quality. But difficult to building.

             Each channels use 4 groups   stabilized voltage supplies with better linearity are used in SA3000. A better power supply naturally guarantees a better sound quality.

            The use of Cascode deforming circuit brings the merits of a good linearity and high-speed attribute.         
            
            
A complete separation of left and right channels naturally leads to a better resolution.

             Overall, SA300 guarantees an extremely high SNR.

             SA-3000 with remote control, the volume control applied resistors components, can avoid channel imbalance and improve on sound quality than normal potentiometer.

             To get a better tone quality, valuable 2-ounce copper foil high-strength double-sided holed board and all high grade electronic parts are used in this product. All aluminum classis box had used.The balanced XLR input sockets of SA-300 are both expensive Neutrik products. Other sockets include RCA socket of CMC, RA golden power socket.
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  Specs

  Weight: 15KG

  Dimension:  435]W^*435]L^*85(H) MM  

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     How to choice the function in SA-3000 :
      With the SA-3000, the user has a choice of 70 steps and 99 steps of volume control, and you can also choose whether to have volume memory.
1. Choose 70/99 steps volume control:
Step A: Push on the "Debug" switch.
Step B:  The display shows as below pix.
Step C: Turn the volume knob; choose display 70 or 99 on right.
Step D: Push off the "Debug" switch.

           70 step volume control                      99 step volume control
             
2. Choose volume memory:
Step A: Push on the "Debug" switch.
Step B:  Turn the selector knob; let the display show as below pix.
Step C: Turn the volume knob; choose display "ON" or "OF" on left.
Step D: Push off the "Debug" switch.

         Volume memory active.                          Volume memory off.
              

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