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C-2 Class A

The single ended design based on Master 9
Pure Class A  output 3300MW at 25 ohm
Preamp & Headphone amp
OCC and hi-end parts applied

  

             

Summarize

Use Manual

Specs

Custom Option

Shipping Cost

The unit applied input short design :

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Font plate functions introduce:

HP/PRE button :
          Select the C-2 output model  , display "H" mean for headphone output, display " P" mean for preamp output.

Gain button :  
          Select the Fast / Slow volume control characteristics.
          H: Fast increase the volume , 64 steps in total (0-63).
          L: Slow increase the volume ,100 steps in total (0-99).

Input button :
          Select the C-2 inputs from IN 1 to IN 5.

Volume buttons :
          Select the C-2 volume control .

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Two sets Exponential Volume Characteristic

Discontinued the analog idle input short circuit function:
         The unit  had design the analog idle input short circuit for avoid the disturb between different sources.
         This design also applied in a lot high end
brand devices.
         The working theory : 
Without the idle input short circuit ,if the input 5 and input 4 had connect two extra DACs,  while users select the either input 5 and input 4 , the another input signal will fire through the circuits and mix  into the using signal, even though this signal is  weak  but still can degrade on the sound quality.
          With the idle input short circuit function : if user select either the input 5 and input 4, the another input signal will short circuit then no any signal fire through circuits , can keep the sound quality had not degrade.
       Below case users want to discontinued the idle input short circuit function, pull off the 4 jumpers as mark on the photo:
      1, The same extra source not only connect the
unit analog input, but connect with other amps simultaneity.
      2, The same extra source connect to the
unit different inputs  at simultaneity.

          

Setting the C-2 have 19DB gain :
         Default the C-2  had 10DB gain, it is enough for most headphones . If the sources had low voltage level output or the headphone had had very low sensitivity, user can push into 2 pcs jumpers in the C-2 to boost the gain up to 19DB . (Please pull out the power cord before the cover of the chassis is taken off .)

               

Setting the C-2 have warmer sound:
        The two different settings  for setting the C-2 have warmer sound. Push into 2 or 4 pc jumpers let they active .
        The warmer 1 setting can effect the sound become warmer for the 4 group RCA inputs .
        The warmer 2 setting can effect the sound become warmer for all inputs .
        U
sers can setting both to let the sound more warmer .
(Please pull out the power cord before the cover of the chassis is taken off .)

          


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