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I have an old Marantz 2245 receiver. It has a single RCA jack on the back marked "Quadradial." I connected my subwoofer to this jack using a splitter cable to match the two RCA low-level input jacks on the subwoofer. It works just fine on FM radio. I recently added a CD player and it feeds through the "Auxilliary" jacks on the receiver. The subwoofer is silent when playing CD's. I re-connected the subwoofer using the high-level input jacks from the remote speaker terminals on the receiver. This works OK on all inputs including FM and CD. I would rather use the low-level input to the subwoofer. What does "Quadradial" mean? Why won't it work using the "Auxiliary" inputs? Olephredd

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5 Suggested Answers

tech48
  • 624 Answers

SOURCE: receiver works with digital signal input jack only.

Are you talking about the 6 channel input with all RCA jacks? Please explain a little better, it is very hard to know how you have it connected without a very good description since I can not put my eyes on it. You may need to check the settings, it may have the rears muted. More information from you will help me to be able to help you.

Posted on Feb 06, 2009

  • 1 Answer

SOURCE: No Soound on Subwoofer from Yamaha RX-V363

I have the same setup. Are you going out of the subwoofer output of the reciever? (it's purple.) then into the LFE jack of the subwoofer (also purple.) That's the only connection you need besides power. If you have those right, try using your cable for something else to make sure the cable is good. Is the indicator of the subwoofer green? Mine comes on with the reciever. Good luck!

Posted on Apr 14, 2009

dunnbiker
  • 8546 Answers

SOURCE: Cant get bass, fuse is fine

You don't say if you've configured the Receiver to know you have a subwoofer (under Multicontrol - SUBW YES). Unless it knows about the Sub it won't send anything out that single "preout". You can get an RCA splitter to run that single output to both inputs in the Sub.

Just as an experiment, temporarily run one a pair of cables from the REC OUT to the Sub's inputs and tune an FM station to prove the Sub amplifier is alive. If it's still silent, it's dead. If there is sound (muffled) you need to go back to the Receiver to figure out why the Sub Preout is signal-starved.

Posted on May 16, 2009

dunnbiker
  • 8546 Answers

SOURCE: Old receiver, new subwoofer- how to connect?

NOOOOOOOOOOOOOOOOOOOOOOO! Never connect speaker outputs to anything that looks different, like RCA connections. Can you say crispy critter?

Your receiver sounds like it won't send specific Subwoofer of Low Frequency Effects information to the Sub so we're cheating by adding a sub. If you named the model of each we may have a better shot at naming the output you need to use.

I'm curious. How did you have the old passive sub working?

Basically what you may have to do is feed (probable) full range audio to the Sub using an RCA splitter to combine the L and R outputs found, oh, at any Tape Output that you're not using. The Sub will only reproduce what it can. The presence of higher frequencies won't bother it. If it has its own volume control you'll be able to balance its volume with the rest of your speakers.

Posted on Mar 18, 2010

dunnbiker
  • 8546 Answers

SOURCE: I have a Boston Acoustics

I'm thinking you have an open shield ground on the RCA input side. Connecting speaker inputs possibly restores the ground. Try connecting the high level inputs then disconnect the remote end of the cables (floating the grounds).

Then get out an ohmmeter and find that open circuitor or bad solder joint between RCA ground and real ground in the speaker's amplifier. Or.... if speaker ground kills the hum and you want to use RCA Line Level input to the sub, just connect one minus speaker output on your source amp to one minus on the sub's amp.

Posted on Mar 01, 2011

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NOOOOOOOOOOOOOOOOOOOOOOO! Never connect speaker outputs to anything that looks different, like RCA connections. Can you say crispy critter?

Your receiver sounds like it won't send specific Subwoofer of Low Frequency Effects information to the Sub so we're cheating by adding a sub. If you named the model of each we may have a better shot at naming the output you need to use.

I'm curious. How did you have the old passive sub working?

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Just as an experiment, temporarily run one a pair of cables from the REC OUT to the Sub's inputs and tune an FM station to prove the Sub amplifier is alive. If it's still silent, it's dead. If there is sound (muffled) you need to go back to the Receiver to figure out why the Sub Preout is signal-starved.

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