dangcaonguyen

Responses from dangcaonguyen

Isolated Ground causes ground hum.
I put my system back to normal. Thank you for talking me out of the dangerous isolated ground gentlemen.Calvin 
Isolated Ground causes ground hum.
Thank you everyone,I will remove the isolated ground system and put my music system back as before.One last question:Do I have to remove all the ground rods I already planted is in the ground? Is there any issue if I keep them there? Its kind of h... 
Isolated Ground causes ground hum.
Hi everyone,The humming problem is solved. I want to report back on what I have done to it.1) Connected the ground to the conduit metal outlet box.2) Connected the Isolated Ground (from my ground post) to the ground pin of the IGR receptacle.3) Th... 
Isolated Ground causes ground hum.
Thank you Jim,Calvin 
Isolated Ground causes ground hum.
@jea48 Thank you for the paper, it helps a lot. What do you think about the use of Isolated Ground Receptacle in this case.Thanks 
Isolated Ground causes ground hum.
I figured out where the problem is. It is on the Conrad Johnson amplifier. When I plugged it into the outlet out of my dedicated line network, or when I used the cheat plug, the hum was gone.Now, anyone has any idea of how to fix it will be much a... 
Isolated Ground causes ground hum.
@erik_squires Thank you,and that was what I did. My outlet is still keeping as normal, 1 ot, 1 neutral, and 1 ground. I only added the extra isolated ground bond the the chassis of the preamp. Is it the same as I bond it to the common ground of th... 
Isolated Ground causes ground hum.
When i touched that wire to the ground post on the preamp, hum occurred. Thanks  
Isolated Ground causes ground hum.
I hammered three copper rods under the ground then linked them together with a solid 4 awg copper wire and through the exterior wall into my music room. 
Isolated Ground causes ground hum.
I only connected it to the ground post on my Shindo Aurieges preamp. 
My old wavelength audio DAC is still usable
@anwar thanks for the link.I will read it several more times to get better understanding the subject. 
My old wavelength audio DAC is still usable
@jond there might be the way, I will find out.@erik_squires the digital out on 3. I will find the way to check it somehow. If it was not MQA, then it should be 24/96, the sound I heard should be the same as the cd format. No it sounds much beter, ... 
My old wavelength audio DAC is still usable
@jond @digepix I listened the same song in both formats MQA and CD (24/96 I guess). 1. MQA directly from RCA out of Node2 to CD in of my preamp.2. 24/96 from Digital out of Node2 to Wavelength and to cd in of my pre.3. MQA from Digital out of Node... 
Otari MTR-10 MKII
Can the well maintenant MTR10 play the Tape Project tapes well? How does it compare to the famous Studers or Ampex? Thanks again. 
Otari MTR-10 MKII
Which link please?