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Sub-woofer not working in AR5 tower speaker with powered sub

My Acoustic Research AR5 tower speakers have a side-firing bass speaker powered by an integrated power amp in the speaker. There is power getting to the speaker and the green light on back of the speaker indicating the sub amp is on is lit. But, the bass speaker isn't working. The other three speakers in the cabinet that do not require their own power source are playing fine. I checked inside the cabinet and the internal fuse is still good. Couldn't find a reset button anywhere. Did my integrate amp just go bad?

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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SOURCE: sound problems through subwoofer

check all speakers wires andcheck test mode. every thing ok, may be input wiring problem ,check every thing after that internalcircuit may be problem..

Posted on Oct 09, 2007

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dunnbiker
  • 8546 Answers

SOURCE: replacing sub speaker

I wouldn't try reinventing it by replacing the driver. Drivers and their enclosures are designed to work together. And this being a self-amplified subwoofer, there is one more piece that's electrically optimized to the rest. Don't mess with it.

Why don't you just set your receiver's individual relative speaker volume levels so the sub isn't weak by comparison to your other speakers? Weakness, as you call it, is relative.

Is your receiver properly channeling Low Frequencies to the sub? Experiment with the cutoff, too.

This problem doesn't require meatball surgery.

Posted on May 19, 2009

  • 3 Answers

SOURCE: Klipsch ksw subwoofer wont power on

The problem is Klipsch's problem, and they don't seem to want to face it. My 10" subwoofer blows the fuse before the power light can even come on. It's obvious that the fuse is not strong enough, but there is a delicate area between the fuse and the power supply. Too many amps on a fuse may keep it from blowing, but it may cook the power supply. Kipsch needs to fix this, tell us how to fix it, or replace it...at their expense. This should NOT be happening. Otherwise a great speaker....when it works.

Posted on Dec 14, 2009

Grubhead
  • 5126 Answers

SOURCE: Sub-woofer driver rattle/buzz.

Bad news! It sounds like the coil is rubbing inside the magnet of the speaker! There's no cure, when the cone is warped it it knackers it up. Had the same problem some years ago with a Wharfedale speaker. Someone told me you can hit it on the part where the cone joins the magnet -with a hammer!
Anyway it didn't make a bit of difference! And the speaker was chucked.

Posted on Feb 09, 2010

  • 49 Answers

SOURCE: Mirage LF 150 Sub Woofer. sub not working

within the sub amplifier is an electronic amplifier, that is shorted and blown a fuse. This is all internal. If you can dismantle this module, I suggest do so and any electrical/electronic individual will identify the part needed. you could also check on a replacement module-complete.

Posted on Mar 04, 2010

Testimonial: "Spot-on Ron! I'll get another fuse. Many thanks, Chris"

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do not use those speakers with that amp, those are 4 ohm speakers, which could damage your 8 ohm yamaha amp. you will have to get a 4 ohm capable amp to run the highs, and another 4 ohm amp to run the subs.

car amplifiers are currently 4 ohm, or even 2/1 ohm stable, but few, if any modern receivers can run at anything lower than 8 ohms without a danger of overheating. you may have to get a vintage amp(s), like a 1970's marantz receiver, or a 1980's to early 1990's kenwood power amp, because 4 ohm home amps are pretty scarce nowadays.

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Will the woofer work without the other two speakers?


There is no point.
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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.

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You need to take apart tthe sub woofer and check the connection to bass speaker for continuity. It sounds like an internal broken connection to speaker on sub woofer unit.

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"cracking" noise


Your subwoofer is not capable of playing as loud as you want it to. That sound is the woofer reaching its limit. If you have any bass tone setting on your receiver set them to flat. If there are any other bass settings i.e contour, loudness boost etc turn them off. You can also try putting the woofer into a corner. This will increase the output. Closer to you would also be louder. Otherwise you need a sub with more output. Don't let the power rating fool you when you get a new one.

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You need to go into the setup menu and find out if the radio has a sub low-pass filter that redirects the bass to the pre-out for the subs, and away from the main speakers. Fiddle in the audio menu.

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