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LFE or Subwoofer


Connect the Subwoofer connection on the receiver to the LFE connection on the subwoofer.

The normal connection on the subwoofer is for connecting a full range signal, from which the sub extracts bass via its internal crossover.

Dec 05, 2013 | Audio Players & Recorders

1 Answer

Conncet a sony sub to a denon reciver


Depending on the model, there are two ways to connect a subwoofer to an amplifier, receiver or processor. The best way is to connect the subwoofer to the SUB OUT or LFE output of a receiver, but some subwoofers can be connected to the speaker level outputs of the receiver or amplifier.


1. How to Connect a Subwoofer to the Subwoofer Output


The preferred method of connecting a subwoofer is through the LFE or Subwoofer output (SUB OUT) of a receiver. Almost all home theater receivers (or processors) and some stereo receivers have a subwoofer output. The LFE (Low Frequency Effects) is a special output for subwoofers and is often labeled 'SUBWOOFER' not LFE. 5.1 channel programs on DVD discs have a dedicated .1 channel output with bass-only content that is best reproduced by a subwoofer. Connect the output of the LFE or Subwoofer jack to the Line In jacks of the subwoofer using a single RCA cable (the two jacks on the left in the photo). A 'Y-Cable' may be necessary to connect the LFE output to both the left and right channels of the subwoofer.

2. How to Connect a Subwoofer to Speaker Level Outputs
Some receivers and amplifiers do not have an LFE or Subwoofer output. In this case you can use the speaker outputs of the receiver to connect the subwoofer. Using speaker wire, connect the left and right channel speaker outputs of the receiver to the left and right channel speaker level inputs on the subwoofer (the speaker inputs on the right side of the photo). Using speaker wire, connect the left and right channel speaker outputs on the back of the subwoofer to the left and right channel front speakers.

Hope it helped..

Apr 20, 2011 | Denon Audio Players & Recorders

1 Answer

THERE IS NO SIGNAL COMING FROM THE SUBWOOFER, IT IS CONNECTED TO A SONY AMPLIFIER IN THE SUBWOOFER JACK, AND CONNECTED TO THE SUBWOOFER IN THE LOW LEVEL INPUT. THE SUBWOOFER IS CONNECTED TO THE MAIN, AND...


With everything connected correctly there could be a couple of possible problems:

1. If your receiver has on screen display capabilities, you may need to turn the subwoofer output "on"
2. If your subwoofer has speaker wire inputs/outputs, you could run speaker wire to it, then to your speakers & test if the subwoofer is working... hence verifying that the receiver has a function to turn the subwoofer output on/off
3. The cable between the subwoofer & receiver could be bad. Try another cable.

Good luck!

Mar 16, 2011 | Audio Players & Recorders

1 Answer

Unable to receive optimum output. The bass is totally flat !


Hi, ok the Bose Acoustimass III system consists of two small cube speakers and one subwoofer unit called the Acoustimass bass module. If the subwoofer stops working, three points can be the cause of the failure. The Bose Acoustimass III is a passive system, meaning the speakers do not power themselves, but instead are connected to a receiver or amplifier. Thus, the amplifier, the speaker between the amplifier and the subwoofer, or the subwoofer itself could be the issue.

Things You'll Need:

* Amplifier
* Speaker cable
* Extra subwoofer


Instructions


Disconnect the speaker cable from the back of the Bose Accoustimass bass module and connect it to a subwoofer that is known to be working. If the subwoofer works, the bass module needs to be replaced.


Disconnect the speaker cable from the back of the receiver or amplifier you are using and from the back of the subwoofer in Step 1.


Connect a speaker cable that is known to be working between the back of the receiver or amplifier and the back of the Accoustimass module. If the module starts working, then the cable was the issue.


Disconnect the speaker cable from Step 3 from the back of the amplifier or receiver, then connect the cable to the subwoofer port on the back of an amplifier or receiver that is known to be working. If the subwoofer works, the receiver was the issue. If the subwoofer still does not work, verify that the speaker cable is in the subwoofer port of the receiver/amplifier and that the cable is connected securely to the subwoofer.



If you think you did the connection properly,Fine... If not you can use the manual from the below link and know how to connect it properly..

products.bose.com/pdf/customer_service/owners/og_am5iii.pdf


Have a nice day..

Feb 19, 2011 | Bose Acoustimass 5 III System

1 Answer

My subwoofer is connected correctly (test mode it works fine). The Denon 589 receiver, however, when everything is set up and ready to go, doesnt seem to send any output to it, so there is no base sound. ...


What's the make and model of the subwoofer? It sounds like it's a passive (unpowered) speaker.

http://www.retrevo.com/support/Denon-AVR-589-Receivers-manual/id/23110dj893/t/2/

See page 9

I seriously doubt your test mode worked fine on the subwoofer level adjustmnent.

Get a powered (active) sub.

Jan 18, 2011 | Denon AVR-589 Receiver

1 Answer

Receiver cannot recognize subwoofer


As I implied earlier, take a clue from the physical style of connectors for both parts of the subwoofer function in the old and new receivers:

RCA connections are for Line Level signal between components only.

The input (bare wire) at the speaker is for AMPLIFIED signal.

You can't just modify one to fit the other and expect magic to happen. Be glad you didn't do it the other way around and modify an amplified (speaker level) outout into a Line Level input. You likely would have smoked that component.

Your subwoofer is a passive speaker, that is, like any other speaker it needs an amplifier. Many subs are self-powered (amp built-in) and they would mate well with the RCA sub output of the receiver.

Get yourself an Active (self-amplified) Subwoofer and run UN-MODIFIED RCA cables to it, according to its instructions, from the Sub Out of the receiver. Or get an amplifier between your receiver and the sub you have.

Feb 21, 2010 | Pioneer VSX-D607S Receiver

1 Answer

JVC - Problem connecting a Powered Subwoofer to a Receiver


Have you set speaker setup configuration to SUBWOOFER YES? Also check SUBWOOFER OUT ON/OFF button on the front panel.

Feb 20, 2009 | Pioneer VSX-D511 Receiver

1 Answer

Can't connect subwoofer to onkyo av receiver


you would need a y jack to connect those to the receiver

Feb 16, 2009 | Onkyo HTR500 Receiver

1 Answer

Trying to connect powered subwoofer


Try setting the speaker settings on the receiver to small.

Jan 12, 2009 | Pioneer VSX-D511 Receiver

1 Answer

I have Harman Kardon speakers and subwoofers connected to a Denon AVr 1508 receiver. All my five speakers are working but my subwoofer doesnt work. I m pretty sure I have connected the subwoofer properly...


There is a setting under your speaker setup to turn the subwoofer on. If speakers are set to small it auto matically sets the subwoofer to ON. If the speakers are set to large it turns the subwoofer off but you can manually adjust.

May 02, 2008 | Denon AVR-1506 Receiver

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