Subwoofer rattle I have a set of Atlantic Technology System 250 speakers. All of them work great except the 252 powered Bass Module. When Bass gets loud the Woofer rattles and sounds disgusting. Can anyone tell me if this rattle can be fixed or eliminated. I had sent it back many years ago to AT for this problem and they said nothing was wrong but I have had this rattle for years now and I just keep the woofer on very low to stop the rattle. Any help with this problem is greatly appreciated. Bill

Cables between sources and compatible units rarely need to be physically modified.

Register and download the manuals for free at retrevo.com

http://www.retrevo.com/support/Sherwood-RX-5502-Receivers-manual/id/3124dj384/t/2/

http://www.retrevo.com/support/Atlantic-Technology-212-SB-Subwoofers-manual/id/866dj197/t/2/

Splicing headphone outputs designed for nominal 8-ohm impedance speakers to a 47K-ohm (typical) RCA load is not a good idea but it might work on the Sherwood because this receiver does not automatically silence your other speakers when the headphone jack is installed.

There is NO other volume-controlled output to choose. Try it.

your acoustimas requires you to connect all speakers outputs to it first then to the speakers.

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..

First off, change the front speakers with a decent pair of aftermarket. Buy a powered subwoofer. One that has the amp built in. Connect it to the rear speakers. Bazooka tubes are great, compact, great bass.Adjust your radio so that the front speakers do not recieve alot of bass,you want it about half way. That way you are using all the power to push high notes, Bass takes a lot of power to push, reducing the volume. Turn the subwoofer to the maximum setting, and then adjust the system to your liking. It will take some time, but it is worth it in the end. Tip: set it while listening to your favorite station. Stations broadcast at different sound levels. Some pump up the bass, some don't.

Fill in the blanks about the working receiver.

You mention another subwoofer, which suggests your receiver manages the bass and possibly sends most or all of it to the sub.

If it's NOT sending the bass to the speaker terminals you use to drive the AM5 that would explain it's virtually silent bass module.

If those speaker terminals on your receiver can be set to LARGE, do it. Otherwise they assume the speakers are incapable of handling bass.

It is possible to overdrive a speaker beyond what it can handle.

DO NOT BELIEVE the spec sheets regarding power and capabilty, especially those for automobile amps and speakers.

If the cone moves too far, the voice coil leaves the active area of the magnetic field and the speaker will "rattle".

The speaker AND its enclosure may be resonating at particular frequencies.

If these things are happening, you will permanently damage the speakers.

Sounds like the controls have a buildup of dust on them and creating a magnetic charge and thus noise. Radio Shack sells "Tuner wash" Use it sparingly, it only takes a little, then work the controls back and forth for a few seconds and turn back on. You may have to do this a couple times to fully clean the potentiometer (vol control) (crossover control) Take the knobs off the unit before you spray it. If you have a high gloss finish on the sub, put a rag around the control to keep excess wash off the plastic. It will varnish a gloss finish. Just use it carefully. Hope this helps

Sounds like an inadequate ground wire in the signal cable. You may have to replace the cable between the reciever and bass module. It also, however, may be IN the bass or reciever module.

did you tell the receiver that you have a subwoofer connected (thru the quick setup)?