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We're switching out our broken sub with an older one.


On the original one, the sub was connected through a single cable, from the line-out of the receiver.


The replacement sub has a left and right channel line-in. Can I just run it from the receiver output to the left channel input, or do we need to split the single channel output from the receiver into L and R?


Sorry if I'm not explaining this clearly...
 

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Quote:
Originally Posted by mentsmin /forum/post/19593410


We're switching out our broken sub with an older one.


On the original one, the sub was connected through a single cable, from the line-out of the receiver.


The replacement sub has a left and right channel line-in. Can I just run it from the receiver output to the left channel input, or do we need to split the single channel output from the receiver into L and R?


Sorry if I'm not explaining this clearly...

Most of the time you can just pick L or R and not split. If you have any problem achieving full output from the replacement sub, splitting might increase output.
 

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Check the sub and see if either the left or right input is also labeled LFE. If it is, then connect to that input as that will bypass the filters. Splitting the signal will not increase total output. It will increase output for a specific gain setting on the sub's amp or channel level setting on the receiver. It can also help if the sub's auto on sensor is not very sensitive.
 
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