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Home Theater Speakers and Subwoofers
Generic problem for all Home Theater Speakers and Subwoofers

Subwoofer (by 3 users)

posted by rjhmlh on Sep 14, 2007


I have a Pioneer 5.1 receiver with an RCA female plugin for the output to the subwoofer. The subwoofer input does not have a female RCA connector. The subwoofer input has a L & R/red and black speaker wire input. How do I connect the subwoofer?

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2 Other Users Have The Same Problem

Comment by slavoie, posted on Jan 08, 2008

I have a 7.1 Home theater system receiver and my SW (sub woofer) needs RCA wires but my Nutone MS-418 needs speaker wires so can I used RCA cable and cut them on one side to be plug into my MS-418 sub woofer?

Comment by Jackey, posted on Nov 08, 2007

My problem is the same.
I have a Kenwood subwoofer SW-15HT-W with the same L & R speaker wire input.
I thought I can just buy a connecting cable to resolve the problem but I was wrong.

How do you connect the monoblock amplifier as suggested in your solution?.

Best Solution
posted on Sep 14, 2007
Helpful (85)

fcollingwood


Rank:Wiz Wiz
Rating: 77%, 15 votes
Most AV receivers do not have a built in amplifier block to drive a subwoofer, and merely provide the subwoofer output channel at line voltage. Thus, a powered subwoofer is required.

Does the subwoofer require mains power? From your description, I'm guessing it doesn't.

If not, it does not have a buit in amplifier, you will need to purchase a monoblock amplifier, which is just a mono amplifier with a volume control, no tone controls or anything else. Make sure that the amplifier power rating is as close as possible to the subwoofer power rating, as it is quite possible to blow a speaker by using an amplifier whose power output is too low, by overdriving the amplifier , and putting DC through the voice coil when the amplifier clips.

If it does require mains power, it will have an amplifier built in, but does not have line level inputs.

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