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Any negatives to using RG6 coax to connect a subwoofer?

post #1 of 10
Thread Starter 
Just moved into a new home and noticed the builder wired the subwoofer location with RG6 coax. While I know that I can get adapters on both sides to work around this, do I loose any sound quality? Does RG6 for the sub have any other negatives-besides the pain in the a$$ extra work & money to for me to get it wired originally?
post #2 of 10
http://www.avsforum.com/t/699887/rg-59-u-vs-rg-6-u-is-there-a-big-difference
post #3 of 10
Quote:
Originally Posted by freetvEE View Post

Does RG6 for the sub have any other negatives-besides the pain in the a$$ extra work & money to for me to get it wired originally?
No. When wire is good enough to handle radio frequencies in the megahertz range it has no difficulties handling audio frequencies in the kilohertz range, let alone 100Hz with a sub.
post #4 of 10
Thread Starter 
I assumed that the cable itself would be fine, but will I loose anything with the adapters on both ends?
post #5 of 10
I originally used a coax cable to connect my subwoofer. It was a long run, about 75 ft up through the attic, and there was a noticeable hum. I swapped it out for a monoprice sub cable and the hum went away. Aside from the hum (which would come and go) I didn't notice any audible difference between the two cable. Just my experience.
post #6 of 10
Quote:
Originally Posted by Jahjd2000 View Post

Aside from the hum (which would come and go) I didn't notice any audible difference between the two cable.
If it came and went it wasn't caused by the cable, which remained constant in its properties.
Quote:
I assumed that the cable itself would be fine, but will I loose anything with the adapters on both ends?
No.
post #7 of 10
Thread Starter 
Thanks for the thoughts and advice. Dumb question, but if running RG6 for a sub seems to happen from time to time-why do you not see a coax hook up on the back of a a sub or an easier adapter or something?
post #8 of 10
Quote:
Originally Posted by freetvEE View Post

Thanks for the thoughts and advice. Dumb question, but if running RG6 for a sub seems to happen from time to time-why do you not see a coax hook up on the back of a a sub or an easier adapter or something?

The only thing you need is a proper end. What is on yours now? If nothing, you can add compression RCAs. If an F type end, then it is simple (and cheap) enough to screw in an F to RCA adapter. But if there is nothing on the end, now, whether you use an RCA end or an F end with an RCA adapter, attaching one or the other type of end, properly, requires about the same amount of effort. How is one "easier" (or harder) than the other?

I think your question is "why do they use RG6 (or RG59)?" And the reason is because it is approved for in-wall use.
Edited by sivadselim - 5/10/13 at 7:27pm
post #9 of 10
Quote:
Originally Posted by Bill Fitzmaurice View Post

If it came and went it wasn't caused by the cable, which remained constant in its properties.
No.

Actually it was the cable. I don't believe it was shielded properly and probably interfered with the power cords it ran into along its path in the attic. I also had a monoprice cable (prior configuration) that wasn't shield properly. If you touched it, it would give off a loud sonic boom sound. In both instances replacing the cable fixed the problem.
post #10 of 10
Quote:
Originally Posted by freetvEE View Post

Dumb question, but if running RG6 for a sub seems to happen from time to time-why do you not see a coax hook up on the back of a a sub or an easier adapter or something?
Because RCAs are the standard for consumer sound interconnects. RG6 isn't user friendly with RCAs because cable TV plugs are designed for using crimp connections to aluminum shielding, RCA for soldered connections to copper shielding.
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