Question about Bob Mackie SRM350 Main / Stereo Speaker
Blown fuse most likely. Fuse is a 250V 6.3A Slow-Blow. GMA T6.3L. Easy to get to and replace. Just had this happen on both my SRM 450s. Picked up fuses at Radio Shack for less than a buck a piece. I'd suggest pulling the blown fuse first to verify that thatis the problem and also to have it in hand when you go to buy new ones to make sure you're getting the right type and size. Hope this helps!
Posted on Aug 31, 2014
The fuse on these is not a user serviceable item. write to Mackie Designs, Service Dept, 16220 Wood-Red Rd NE, Woddinville, WA 98072
Fuse is inline behind the triad AC cord jack.
Posted on Jul 24, 2009
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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 am also getting the same problem. Complete power off. Was working like a dream. No given signs that this would cut off. Sent this for repair, the current quote is £160.00 for the amp module to be repaired. I was hoping to find somewhere that can supply, repair, or change for much less; considering that It is worth est £250.00 second hand!
Posted on Aug 07, 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
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