Question about Mackie SRM-450 System

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One of my srm450]'s is sounding very distorted, and barley producing sound. did i blow a resitor? i was messing with the speaker wires trying to install a control to turn the horn down, kinda like

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Muffle sound in one speaker

Posted on Mar 13, 2013

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Check its speaker first. Connect an other known good speaker, after disconnecting the wires to the speaker inside, and connect it to external ones, and switch ON the set, and check whether there is good sound with external speaker/s. If OK, make sure that the internal speaker has damaged, and should be replaced. If there is distorted sound with external speakers too, check and replace damaged component/s at its audio output stage circuit. If you're sound in electronics, and if you wish to get more details, check this link. http://electronicshelponline.blogspot.com/ Selecting the view option, either to Mosaic / Time slide, can be selected by the drop-down list, at the top left of the display window, will make surf easy. You can also do a search, by type in the brand name/model number/IC used, in the search box at the top right of the display window.

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bhurajiv,
Well it's a good thing that you are getting sound from the tweeter from the speaker cabinet with the problem, that eliminates one of the possible problems; your wires are connected!

If your other speaker sounds fine, the first thing to try is to swap your speaker wires with the one that sounds fine. If the problem speaker cabinet still only produces sound from the tweeter, the problem is within the speaker. If the problem goes away, the problem is from your electronics.

If the problem is within your speaker and it is still under warranty, find a authorized repair location (http://www.cerwinvega.com/service_center.php).

Problems within the speaker can only be one or more of the following: 1) The drivers not producing sound have been blown; played with either too much power and/or distortion. Distortion is created when you play your music too loud with a amp not able to reproduce what you are looking for in sound, the speaker itself can hear it before you can.
2) The speaker cabinet has a crossover inside which directs the proper sounds to the proper driver. This crossover can have components that have been broken be either #1 or from exsessive vibration.
3) There are wires inside of the speaker cabinet that have been disconnected. This can happen over time or if someone reaches inside of the cabinet through the port and pulls on the wires; like a young child or pet such as cats.

If the drivers in question just one day stopped producing sound, start with the easiest solution, #3 then #1 if you can suspect anyone could have played your speakers other than you.

To diagnose the problem, you first start by removing the woofer and confirm that all of the wires are connected and in good condition. While the woofer is removed, to eliminate that there is a problem with the speakers, temporarily connect the mid-range and woofer, one at a time, directly to the wire coming from your electontics, if they produce sound the problem is within the crossover network, if they do not produce sound, the problem is with the driver itself. Replacement parts should only be purchased directly from Cerwin Vega directly (http://www.cerwinvega.com/contact_us.php)

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Start > Control Panel > Sounds and Audio Devices > Advanced (Under Speaker Settings) > Performance.

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