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  1. #1
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    Why receiver only has 1 RCA for sub out but Sub has 2 RCA inputs?

    Why receiver only has 1 RCA for sub out but Sub has 2 RCA inputs?

    1) Does it matther if I connect both to both input on the subwoofer with a spliter?
    2) Or I can just plug into either 'L' or 'R'?

  2. #2
    Forum Regular Registered Member paul_pci's Avatar
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    Quote Originally Posted by m500
    Why receiver only has 1 RCA for sub out but Sub has 2 RCA inputs?

    1) Does it matther if I connect both to both input on the subwoofer with a spliter?
    2) Or I can just plug into either 'L' or 'R'?

    This is typical for lower-end receivers. You can do one of two things. Plug the cable into the "right" jack of the subwoofer, live happily ever after, or get a splitter and plug the cable into both jacks on the subwoofer and live happily ever after. I've done both (currently using no splitter) and there's not much of a difference beyond getting a slight volume boost with the splitter which is unnecessary as most subwoofers can be turned up beyond reasonable measures anyway. What many people do if they had dual jack on their receiver would be to use two subwoofers.

  3. #3
    Silence of the spam Site Moderator Geoffcin's Avatar
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    Depending on the sub

    Quote Originally Posted by m500
    Why receiver only has 1 RCA for sub out but Sub has 2 RCA inputs?

    1) Does it matther if I connect both to both input on the subwoofer with a spliter?
    2) Or I can just plug into either 'L' or 'R'?
    You may have a problem. If your sub uses a dual voicecoil then it's best to use a splitter so that both voicecoils will energize.
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  4. #4
    Forum Regular Woochifer's Avatar
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    Quote Originally Posted by m500
    Why receiver only has 1 RCA for sub out but Sub has 2 RCA inputs?
    The subwoofer track is a monophonic output. No need for more than one RCA output if you're using a home theater receiver. The only time that you would use both the R and L input would be if you use two-channel separates and patch the preamp output through an external crossover before the signal goes into the amp.

    Quote Originally Posted by m500
    1) Does it matther if I connect both to both input on the subwoofer with a spliter?
    2) Or I can just plug into either 'L' or 'R'?
    If you connect both, then you will get a signal boost of about 6 db. Won't matter anyway because you'll have to level match the sub to the mains.

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