Question about Mackie SRM-450 System
What size is the fuse
Posted by Anonymous on
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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: Mackie SRM450 won't power on.
I have the same issue... it somehow appears that no power is present at Q34 / Q35 on the schematic but I dont know how to trouble shoot it!
Posted on Oct 29, 2009
If the cone is damaged, it is possible to get it 're-coned'. If you can find a shop that does this type of speaker repair.
Otherwise, call around music stores (by that I mean places that sell musical instruments and PA gear) and see if they sell/sevice Mackie. If you are comfortable taking the old woofer out, just order the part and DIY.
It is not critical that the woofer is an exact replacement (doesn't have to be a Mackie speaker), the important things are:
1) it fits and screws back into the speaker cabinet
2) it is electrically similar to the original (same impedance 4 ohm or 8 ohm) and wattage rating
Posted on Feb 06, 2010
yes you can replace part.But you will need to take it to a good technician or take itto the company to avoid more fault.
Posted on Jun 11, 2010
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