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發表於 2018-1-24 15:08:32
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Hi Ray Sir,
the d2 and a2 can be used in mix and match manner...... they are for different frequency range in signal ground.
(NOT for Earth or Chassis screw, you will need to use Tripoint or Entreq type ground box for the related application ).
d2 is NOT ONLY for the digital device. d2 can be used for amplifier as well .
But normally , for digital device, it got regulator IC which is DC to DC regulator or PWM components or switching noise . the Freq range it tackled (1MHz ~ 50MHz ) . A2 is mainly for tackling lower frequency range signal noise, so, we connected to analogue device normally....
For current HiFi sytem, our tube amplifier will be connected to DAC or CD Player / Network streamer type device the signal ground will be connected normally. so, when you plug the d2-RCA to the tube amplfier , it works !
Best,
Blau
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