Question about Bose Acoustimass 16 System

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AM15 LFE (BASS) MODULE NOT WORKING AFTER ONE YEAR

I have purchased and used an AM 15 a year (from Dubai) before with a YAMAHA receiver. later on i packed the whole system in bose carton and stored inside my home. Now after one year of idleness i unpacked the same system and tried to use with a recently purchased DENON receiver, but only the satellite speakers will work and not the LFE Module. First i contacted DENON technicians and after scrutinizing they told that their system was perfect, then i contacted BOSE Technician, and immeidately through phone he replied that some fuse inside the system is gone. The interesting fact is that i am also using a japanese made surge protection unit and during the time of packing the system was alright. So i feel this is undoubtedly a Bose manufacturing error??!! if its so then BOSE is using cheap components like what their competetors say (for a BIG price).Any ideas about this buddies?

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  • Anonymous Jan 06, 2008

    Man i got a similar problem with my AM15. They say the IC is gone! When i asked the service guy, he said i might have run the system in high volume for long. But i never did so.

  • rusito Apr 13, 2008

    i have the acoustimass 16 series 2 and after three minutes working for the first time the subwoofer stop working i dont understand why, everything is conected the right way and i was exchanging for an old bose system so everything was the same way i will call bose tech support, but this thing is too weird if someone has any help just let me know

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I have the same problem too, I have replaced the fuse that blow inside, but did not work it just blow again and again call bose and they told me that may be the amplifier that when off.

Posted on Apr 03, 2010

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Silly question, but when one crosses the pond with electronics one usually has to make sure the power requirements are factored in BEFORE turning them on in their new home. We use 110v here, much of the rest of the world uses 220v. Just a thought.

Posted on Apr 28, 2009

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Related Questions:

1 Answer

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

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My Yamaha RX-A830 won't play the sub. I've reset the speakers with the mic multiple times but it's still not working. I confirmed that the sub works on another receiver.


There is a difference between SUB and LFE. In 5.1 mode, the LFE is the ".1" channel. It will output bass only when audio information signal is addressed to this channel. In stereo mode, depending of the receiver setting, it can output normal bass when front speakers cannot handle low frequency. In setup menu, you'll probably have to set your Front speakers as "Small" to make the sub channel taking the relay in low frequencies. There also can be many other reasons for your problem but this might be the solution. Good luck!

Dec 02, 2013 | Yamaha RX-A830 A/V Receiver -

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I have a Yamaha HTR 3063 reciever and I just got a PSW 2000 Kef sub and I can't get the sub to WORK NO MATTER WHAT I DO PLEASE HELP


That is a potentially great combination. I have a Yamaha receiver but I am not familiar enough with Kef to know but is it possible your receiver expects to be connected to a powered sub. Are you sure the Kef works by itself? Have you checked to see whether the receiver subwoofer output works with another speaker? Could receiver mode selection be a factor? My Yamaha switches various functions on and off depending upon your preference.

For what it's worth, the troubleshooting section of my Yamaha manual says a subwoofer no sound problem can be caused by selecting MAIN LFE/BASS OUT on the SET MENU when Dolby or DTS material is being played or selecting SWFR when a 2-channel source is being played. Something has to work!

Sep 10, 2012 | Audio Players & Recorders

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I have Denon AVR-2310...but lost operating manual ! In audio set up, more specifically speaker configuration, a choice is given between " FTE", and "FTE +main". What is the...


The manual... http://www.retrevo.com/support/Denon-AVR-2310CI-Receivers-manual/id/23452bh638/t/2/

I'm pretty sure you mean "LFE + Main".

You need to identify the speakers to the receiver as Large or Small regarding their bass-handling capacity more than their actual size.

"LFE" removes the possibly overloading bass in a given speaker channel containing 'small' speakers and sends it to the subwoofer.

"LFE + Main" is sort of explained on page 29 "Bass Setting". The intent of LFE+Main is to task your subwoofer with the bass that ALSO exists on all other speaker channels regardless of their ability to handle it all by themselves. As you can imagine, this might make the subwoofer respond to sonic events that are actually supposed to be directional from, say, the rear channel(s). In that case the event might seem to come from wherever the sub is located instead of the intended direction; or at the very least it might seem to come from both places which is probably not what the sound engineers intended when they recorded the piece.

Having full-range speakers 360-degrees around PLUS a subwoofer, I don't subscribe to the 'bass-is-non-directional' school of thought. If you've ever felt the concussion from and subconsciously glanced toward one of the speakers after, say, a huge explosion, the system is working.

Sep 03, 2011 | Denon Audio Players & Recorders

1 Answer

Acoustic Research AR-1 Qusetion- LFE Input and Output functions??


using the LFE input will give you cleaner less distorted bass. You must have a sub out on your receiver or pre-amp. it will give you greater control over the bass output of your system. If you only have one sub-out on your receiver simpley run a 10ft rca from the sub-out of reciever to the rca input of either speaker than use the rca out of 1st speaker to the rca input of second speaker. check to see if you have control of the level of your sub-out on your reciever. adjust the 30hz boost on rear of speakers. now you will have bass that most people only dream of having.

May 20, 2010 | Acoustic Research AR1 Speaker

1 Answer

No test tone from subwoofer during balance testing Yamaha RX-V430


there's no test tone under normal use for the sub. It only shoud test the three front and two rear. ther' are disc you can use to test all the speakers. ( If you are into Pink Folyd, the movie The Wall has what you need to help balance the speakers

Jan 19, 2010 | Yamaha RX-V430 Receiver

1 Answer

How do you adjust the bass levels on a Yamaha HTR6130 receiver? I can get the display to show Bass 0db, but what button changes the settings?


When you touch tone button on your front panel repeatedly, you will get two option for setting bass and trebble, when you select Bass immediatly press your updown Sound field Program Button.
Please note:for better sound if your using Small front speaker keep bass to 0db and select the low frequency through sub woofer and program manually LFE from only Sub woofer and addjust CUT off frequency of Subwoofer to 160 and incase if your bass is not clear put it into rev mode.

Oct 05, 2009 | Yamaha HTR-6130 Receiver

2 Answers

Can I use front preouts for subwoofer?


First, you have to have a self-powered subwoofer (or two) with this reciver. That means the sub has its own amplifier. These are usually capable of accepting either Line Level (RCA) input or direct L and R amplifier channel speaker wires from your receiver from which it will react only to frequencies in its range. It doesn't actually use any if the power from your receiver's amp.

That is why you can extend your front speakers from the sub. Again, understand this - it is not playing any part in amplifying them. The amps in your receiver are just passing through it.

Setting your speaker 'Type' definition to Large will tell your receiver that they are capable of real bass (as opposed to small satellites) but won't necessarily steal anything from the subs. Set your LFE/Bass Out setting to Both if your front speakers are capable of handling real bass. Why would you want to deny them bass if they can handle it?

This part is confusing "If I can get the sub working on taking the lows out of the front speakers if I set them to large on the receiver then that is one thing less to send to the other sub on the LFE channel". The crossover feature allows you to define what bass goes to the sub. You would use the various points to smooth out the transition between your sub and the rest. Your quote of 47hz spec for something doesn't suggest your other speakers are great bass reproducers. One needs to see the +- db spec with less than x% distortion for that number make any sense.

Your receiver has two RCA Subwoofer Outputs but I'm sure they get the exact same level. If you're having trouble matching two different subs doesn't at least one of them have an adjustment for volume? Or maybe you could use physical positioning to adjust their comparative volume.

May 08, 2009 | Yamaha RX-V663 Receiver

1 Answer

Bose Acoustimass 15 subwoofer is completely dead.


Clarify, did it ever work for you? Were both receivers used properly configured for the subwoofer? Did you also test the other speaker moduels running off the subwooferto see if they work?

Speaker Receiver setting
• Left and right LARGE
• Center LARGE
• Left and right surround LARGE
• Center surround* LARGE
• LFE/Subwoofer ON
With an Acoustimass 16 Series II system or upgraded Acoustimass 15 Series IlI system only.

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1 Answer

Front bose speakers and bass module stopped puttimg put sound


If you're saying you hooked the Bose speakers directly to the Yamaha's amp instead of the prescribed way through their own bass module - they're cooked.

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