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Subwoofer cable question for those in the know...

My preamp has an extra set of line level outputs to drive a powered sub.

Would there be any advantage to running separate L/R cables since it is purely a bottom end booster, or can I Y the signal out/signal in and run just one cable between pre and sub?

Also, what is the difference in construction between "subwoofer cables" and ordinary shielded RCA cables?

I haven't seen anything definitive, and I assume they are designed to carry just a low frequency signal better, as opposed to full range signals?

Advice, of course, is greatly appreciated.

hossfly10
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yogiboy's avatar
yogiboy
5,701 posts
 
This manual has all the options for any subwoofer hookup!
http://www.psbspeakers.com/content/160419102939-PSB_SubSeries_English_Owners_Guide.pdf
gdnrbob
4,447 posts
 
As they only need to relay lower frequencies, sub cables don't need to be as highly configured as regular speaker cables.
Even Vandersteen supplies rather ordinary cable with his subs. I use Cable Solutions, as recommended by Almarg.
http://www.cs1.net/products/cable_solutions/O2X-Series_12awg_speaker_cables.htm#purchase
Without knowing what sub and pre you are using limits what can be recommended.
For me, using a powered subs, I use two runs from the amp-one for speakers, and one for the subs if I don't have a crossover. Since both speakers and sub share the same signal, integration should be easier.
Bob
dorkwad
548 posts
 
There is a slight difference in running 2 separate cables to the L/R inputs on the subwoofer vs. using a Y adapter at both your preamp and sub.  On my system, the 2 separate cables sounded a little better.   It's not a big deal and many wouldn't hear any difference at all.   I was using a VMPS sub and VMPS ribbon speakers.  They have very good definition.

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