2. misc-audio
  3. 157963-147773

Seeking power conditioner recommendations / hum elimination

So, my set-up:
DALI Grand Coupe bookshelf speakers on B&W stands
Proceed by Mark Levinson AMP2 (Gutwire cord)
Krell KSL Pre-Amp (Clarus cord)
Marantz SA8004 SACD Player
Jolida JD9 Tubed Phono Stage
Rega Planar 2 with Ortofon MC3 Turbo (I’m just getting into vinyl again)
Bluesound Node 2i
All Kimber Kable PBJ Interconnects
Dedicated 20 AMP line with a Pangea recepticle

(BTW, my whole system ran me less than $5K, bought most of it from a good friend who upgraded to McIntosh gear/Klipsch Heritage Speakers).

I have a mild hum originating from the AMP2 that I can’t seem to eliminate. I currently have that iFi white cylinder dealie plugged into the open socket on my outlet, which did improve overall sound a tad but did not kill the hum. I’m admittedly using a consumer grade Monster Power block-style strip that I really should have replaced a long time ago. I’m considering a PS Audio Dectet, Audioquest Niagara 1200, something Furman, or something pre-owned between $1 and 2K. Are the options I listed appropriate for my gear level or should I really be going with more high-end options? Do I stop-gap with something inexpensive until I’m ready to buy my "real" unit?
Appreciate the feedback!
atticus-xi

Showing 1 response by atticus-xi

atticus-xi OP
2 posts
 
Thanks all, some responses from me...
My father-in-law calls it a "60 cycle hum", so I’ll go with 60 hz. If I power up all gear except for the amp I don’t get a hum. Powering on the amp triggers the hum (heard through the speakers, yes). I have noticed that I can increase/decrease the hum by moving cables around, but it never quite disappears. I tried a cheater and the hum remained.

Another tidbit I should share, LED lighting in this room flickers a tad bit and also has a buzz/hum, as does the lighting in the room on the floor just above it. Even though I have a dedicated line, I'm assuming it's sharing the same source/electrical box as our problem area, i.e. the same zone.  We’ve been meaning to have an electrician take a look at that side of the house for issues when we have time.  I don't know if that sheds more light on the situation.

In the meantime I’ll try those suggestions. Thanks much!
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