Question about Mackie SRM-450 System
No top end from Mackie, ive tried another amp in the speaker and it works fine, its not the fuse, so im thinking something may have blown. I also have another Mackie which works fine.. until u push it ... then it distorts like crazy, nothing is blown in that speaker as I have tried the parts in another.. I have 5 srm 450's and 3 are faulty. any advice greatly appreciated. Jamie.
Check the aspect of the crossover filter for the speakers, inside. Sometimes they fry.
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Posted on Jan 02, 2017
Hi There, This is quite a common problem with the Mackie SRM450's. You will find that you need to replace the diaphram on the top. This can be done by removing the 16 screws from the back of the Mackie (quite a long pain in the **** job) with a long handled cross head screw driver.
Once you have done this you should then remove the hex bolts from the back of the drive where the black and right terminals are. When this is done, pull off the cover and swap the diaphram out. With the new diaphram in place reverse the steps above but before you screw the back on, power it up carefully and check the sound is now working.
If the diaphram keeps going eg every 3 to 4 months then you will need to change the driver which is quite expensive to do. If you need spares and are based in the UK, contact LondonSpeakerShop.com who carry spare parts or can undertake the repair.
Hope this helps.
Posted on Mar 05, 2009
SOURCE: hello there i have a
The most common cause of this is a blown horn. A replacement can be ordered from Mackie directly. Remove the screws that hold the plastic horn in place. At the rear of this part will be the tweeter assembly that unscrews from the horn. This needs to be replaced.
Another possibility is that the tweeter driver has broken from the horn itself and is inside the cabinet. Remove the horn and you may find that the aluminum part has broken. Replace the horn which comes with that part and you should be fine.
Posted on Jan 12, 2011
SOURCE: how to open a Mackie SRM450
Sorry about the late response. These units are sealed at the factory and opening them up for the first time is a bit of work. Make sure that all the screws are out of the unit and using a large screwdriver, carefully pry up one side. It will be difficult. Apply steady pressure and the back will eventually free up.
Posted on Jan 30, 2011
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