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Maggie 3.3R Bass Problem?

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Posted on August 27, 2014 at 15:15:19
plschlesinger@aol.com
Audiophile

Posts: 32
Joined: July 31, 2014
 Running a Pioneer VSX 1120, Maggie 3.3R, Kenwood kd-5066, with no amplifier. When I push the receiver above +8db, one of the maggie's bass (on the top) can't seem to handle the bass - very loud and distorted, almost machine gun like - whereas the other maggie handles it just fine. When I lower the volume, no issues with the bass. Is there anything wrong with that one speaker? Is it the settings - used that automatic mcacc. Is it the lack of an amplifier? Your help is appreciated.

 

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RE: Maggie 3.3R Bass Problem?, posted on August 28, 2014 at 01:23:57
Satie
Audiophile

Posts: 5426
Joined: July 6, 2002
 The Pioneer receiver is only rated down to 6 ohms and only 110W into 8 ohms. It should not be used on a maggie at high volume, the MG3.3 is a 4 ohm speaker. You may have damaged the Receiver - the distortion you describe sounds like an overdriven or damaged amplification channel.

Are you sure you connected the speakers correctly? Do you have the receiver feeding the external crossover box and two pairs of wires coming out to connect to the bass and mid/tweeter inputs?

In any case, ,unless you are using a subwoofer, you should seriously consider getting a stronger amp that is rated for 4 ohms or lower. Till then, don't play the system too loudly or you may eventually bring the receiver to thermal shutdown and start popping fuses, if not damage the output stage on your main channels.

There is the possibility that either the speaker or the crossover are damaged but it is less likely than the amps in the receiver being out of their depth.

 

RE: Maggie 3.3R Bass Problem?, posted on August 28, 2014 at 02:43:02
plschlesinger@aol.com
Audiophile

Posts: 32
Joined: July 31, 2014
 yes. it is hooked up correctly.

 

RE: Maggie 3.3R Bass Problem?, posted on August 28, 2014 at 05:10:59
johng@clark
Audiophile

Posts: 67
Joined: April 11, 2001
 Have you looked for loose voice wires (banana peel)?

 

RE: Maggie 3.3R Bass Problem?, posted on August 28, 2014 at 05:28:00
plschlesinger@aol.com
Audiophile

Posts: 32
Joined: July 31, 2014
 I fixed what I saw where all the delam problems - those wires that were truly lifting up. Is there something else that I need to do? If none of the wires are lifting up at the ends anymore (secured with DAP), could it be that some of the wires in the middle are just a little loose and I need to secure them better? It seems that all of the wires are touching the mylar, but I noticed some of them are loose and although touching the mylar, are not fully secured by the glue anymore.

 

RE: Maggie 3.3R Bass Problem?, posted on August 28, 2014 at 10:59:06
Roger Gustavsson
Audiophile

Posts: 2055
Location: Huskvarna
Joined: February 12, 2010
 http://www.soundandvision.com/content/pioneer-vsx-1120-av-receiver-ht-labs-measures

 

RE: Maggie 3.3R Bass Problem?, posted on August 28, 2014 at 12:09:11
JLindborg
Audiophile

Posts: 1037
Location: Uppsala
Joined: April 26, 2010
 Try to switch sides of the speakers left for right.
If the problem moves with the speaker, You know what's wrong.

The one who succeeded was the one who didn't know it was impossible.

 

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