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Sub wolfer advice

Hey guys I need some advise on a power sub. Here is my set up. Krell FPB 400CX & Krell KCT pre-amp with BMW speakers. I have never run a power sub before. I will be running my transparent cables from the amp to the power sub. Then another set of cables out of the sub into my BMW's. The sub will be 2ft away from my right speaker. Do I need to keep both lengths of speaker wire coming out of the sub into my BMW's the same length or can I run a short speaker lead from the sub to my BMW speaker that is sitting next to the sub or am I splitting hairs?

Next question should the speaker wirer coming out of my amp going into the powered sub need to be the same quality of wire going into the speakers?

Thanks guys for all your help in advance. Hope this makes sense. Any help you can give will be greatly appreciated.

Thanks
Chip
dancer
levy03
442 posts
 
+1 Zmanastronomy. don't put your subs in the path of your mains.
dancer OP
56 posts
 
Thanks Zmanastronomy, I didn't know I could do that. I would much rather do that if possible. So your saying use the upper and lower speaker connections on my power amp. The upper ones going to the sub and the lower post going to the main speakers.
rrog
1,958 posts
 
Zmanastronomy, I do not see the benefit in your recommendation. If the OP is using a powered subwoofer there is no bi-wiring involved. The subwoofer only needs a sample signal from either amplifier output while running the main speakers full range.
magfan
1,583 posts
 
If you do amp to sub and amp to main speaker wiring, you don't really need anything heavier than magnet wire to the sub. The speaker ins on a sub have very high input impedance and so use little real power.
You probably don't want to really use magnet wire, but you also don't need anything approaching the size or quality you feed the mains with.
dancer OP
56 posts
 
I just got off the phone with Krell and they said I could just run RCA out of my KCT Pre amp to the sub would this be better.
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