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Should I use long interconnects, or long speaker cables?

Currently, my equipment rack is placed centered between and behind the speakers.  I’m getting acoustic feedback (rumble) from my tt due to it’s location.  Successfully, I have eliminated this rumble by using a KAB rumble filter.  However, this seems to me like a bandaid approach, and I would like to try to eliminate the use of this filter if possible.  I’m thinking of moving my equipment rack to the side wall to try to eliminate the rumble filter.  My question is, there are two ways to do this.  Is it best to:
#1). Move everything (including the amplifier) to the side wall, and use long speaker cables to connect the amplifier to the speakers.  
#2. Move everything, except leave the amplifier on the floor (on a separate amp stand), and run a long interconnect (20’-25’) from the preamp to the power amp (my preamplifier is single ended only)?
In advance, thanks for your guidance!
louisl
fuzztone's avatar
fuzztone
5,595 posts
 
Rule of thumb is long IC's are better that long speaker cables. Move your source over and hook it up with cheap Canare:
https://www.redco.com/Canare-Standard-Microphone-Cable/
If it solves your problem you can take your sweet time researching better cabling.
I would try the springs under the table before all that work, myself.
noromance's avatar
noromance
9,768 posts
 
See my thread on springs under turntables for more info.
https://forum.audiogon.com/discussions/springs-under-turntable
millercarbon's avatar
millercarbon
12,531 posts
 
Simple $30 Nobsound spring fix vs complicated expensive move everything around see if maybe that works. So of course we are running 3 against one in favor of what we know will only spend money without producing the desired result. Springs would not only eliminate the problem but be an improvement. OP should definitely read the springs under turntable thread. But will he? 
ieales's avatar
ieales
1,201 posts
 
First off, what is the room construction?
Basement, 2nd floor, interior/exterior wall?
All of these affect transmissive coupling.


20 foot unbalanced interconnects with a low impedance output pre-amp into 10x amp impedance will be fine. Canare Star-Quad with screen connected at pre-amp only is excellent.

Short speaker cables are almost always preferred over long. Increasing diameter only helps R, the least worrisome of LCR.
aj523
373 posts
 
I’m not buying the long 20 foot speaker wire degradation issue. I have 50-75 foot daisy chain runs of 12 gauge copper to my super high end outdoor speakers and they sound phenomenal. Or buy anti cable - they tested identical in long vs short runs.
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