Tweakers' Asylum

My results are not at all convincing

207.200.116.66

bartc

In Reply to: RE: Excellent and Cheap Tweak posted by Dr.Phil on March 12, 2009 at 09:12:17

Sorry for me and you, but I have to report that using the copper unions on my DAC and digital EQ does nothing audible for my system. I may try other positions, but this tweak is not a winner for me at this time.

Yes, the copper unions clearly do stop the field detection cold, where it had been very hot without the unions. So they do something in either shielding or damping of 50-1000V 60Hz AC fields.

But they do nothing sonically here.

Please be advised that I do have extensive RFI damping all over my system in the cabling and in the AC. Maybe that's more important to deal with than the AC fields.... YMMV of course.

Follow Ups:

RE: My results are not at all convincing - puremusic 13:12:13 03/24/09 (1)
What RFI damping products and techniques are you using in your system?
- Not "products" except by my own hands! - bartc 14:49:31 03/24/09 (0)
  You can read my system tweaks in the Inmate Systems and here in the Tweaks archives mostly.
  
  Much of it is parallel filtering on cabling and on AC sockets, but a lot of other damping techniques too in DIYed strips, boxes, etc.
RE: My results are not at all convincing - dr. phil; 06:26:32 03/21/09 (2)
Well that good news for your system. Seems you have a laod of stuff on it already. Most have found great results my system included. In fact last night I listened to a disc I had not played in a few months and I have to say it was darn right a jaw dropper.

The clarity, the foundation of the bass and the highs went on forever with no trace of grain or distortion with a sound stage and imaging all improved.
- Phil, cheap tweaks lured me into audiophilia - bartc 06:34:17 03/21/09 (1)
  I don't mean that the sound wasn't the issue. Only that the first things that drew me into the serious hobby were cheap tweaks that enabled me to finally get good sound from modestly prices componentry. So I'm a hardware store junkie.
  
  But this tweak, as cute as it appears to be, doesn't do anything for me as yet. That's curious because the detector does show areas where in theory it ought to do something useful, and it does insofar as AC fields, but not sonically.
  
  What I've found is that there are many paths to cleaning up AC. I'm using significant RFI filtering on my AC so that may be all that I need (or the best resolution I can currently get), while for you and others the unions may be an earlier step in that progression.
  
  What AC filtering are you doing other than this tweak, if any? What grounding scheme? That may make all the difference between our results.
  - RE: Phil, cheap tweaks lured me into audiophilia - Dr.Phil 08:52:57 03/27/09 (0)
    AC straight from the wall. Never heard a PC that I liked over all. I use Lessloss power cords which do a great job of killing noise, my equipment filters the rest.
    
    I also use Furutech FT-D20A AC outlets that also lower the noise floor. They grip like no other outlet I have tried. The result is better resolution, much better bass impact with a natural not hyped transparency.
    
    I try to let my equipment do the work and sound as designed. The copper unions are the icing on the cake for my system. Plus the terminators for the COAX digital outlet, and the BNC connector.
    
    Again noise floor drops some more.
    
    PJB

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