Question about Music
Out of the blue the tweeter started crackling and popping intermittently. It doesn't matter if I have an input cable connected or not. I assume the problem is somewhere in the high frequency amplifier circuit. The overall sound quality doesn't seem to have been affected, except when the crackling kicks in it's very annoying. Note that this is not the MKII series, it is the original series of HR824's. Any thoughts?
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Posted on Jan 02, 2017
SOURCE: Repair a Mackie SRM 450 Speaker
You probably need to replace the diaphragm. The diaphragm is located behind the back cap. Simply remove the back cap, remove the diaphragm, clean the voice coil gap with a piece of masking tape, install a new replacement diaphragm, reinstall the back cap. That it!
You can see videos on how to replace diaphragm at this link.
You can buy a new Mackie SRM450 diaphragm at this link.
Posted on Jul 21, 2009
First thing is to verify that a ground loop from your driving equipment is not causing the problem. Easiest way is to drive it with a BATTERY operated little CD player so no ground loop could exist.
Verify that your power cord is in tight and try another cord to verify it is OK.
Beyond this, service is probably required. If unit is out of warranty, you could have a person open it up to see if anything is obvious.
A possible proble is bad connectors or worse, a cracked circuit board.
Analyzing if noise is from both the woofer and high range speaker is a first step.
Posted on Sep 01, 2009
You should order an exact replacement from Mackie since this is a reference monitor.
Consider putting a limiter or fuse in series to protect the speakers if this was due to overdriving it.
Posted on Oct 10, 2009
Testimonial: "Thank you, I had not thought of that!"
I would contact Mackie and see what they say. The MR5 is already protected internally by the built in amplifier circuitry as far as I know.They can be reached here:http://www.mackie.com/support/index.html
Posted on Oct 28, 2009
I built a web page on how to replace the tweeter on the MR8. Lots of good photos to help you with this problem. You can find it at: http://www.idahomojo.com/IdahoMojo/Mackie_MR8_Tweeter_Replacement.html Hope it works out for you!
Posted on Dec 20, 2009
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16220 Wood-Red Rd NE
Woodinville, WA 98072
Phone (800) 258-6883
Ask for the tweeter for the MR5 & MR8 the part number might be 0030616. The price is about $31/tweeter
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