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Discussion Starter · #1 ·
I have an Onkyo SR707 receiver and a Polk Audio subwoofer. There are two (RCA?) connections, both purple, for the subwoofer output on the receiver and two (L and R) inputs on the subwoofer. Help!



 

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Makes no difference.


Pick one on each end.


The R/L would matter if you were using a receiver with pre-outs(like the HK 3490) and running left and right to the subwoofer...


You aren't doing that cause .1 is already mono.


.1 times 2 is redundant.
 

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Quote:
Originally Posted by diggerwolf /forum/post/0


... I wonder why is the an L and R if it doesn't matter?

According to an owner's manual for Polk subs, the L+R line-level inputs are for...
Quote:
Receivers with full-range (unfiltered) Left and Right “Pre Out” jacks (this is the least commonly used hookup).


• Connect the left and right preamp output from your receiver to the left and right LINE LEVEL input of the subwoofer ...

In your situation, and as indicated by trumbull247, run a coaxial (RCA-to-RCA) cable from one of your AVR's two subwoofer outputs to the L or R input - or, using a Y-splitter, to the L+R inputs - on your subwoofer.
 

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Once you get the cable don't forget to turn down the sub volume as it's set to max in your pic above.
 
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