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Blowing woofer srm450 need replacement - Mackie SRM-450 System

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Hi. manage to put celestion in but not the same.have to do till get right one .not sure where to get one all u.s.a made.thanks anyway.

Posted on Oct 03, 2009

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Posted on Jan 02, 2017

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1 Answer

Blown Mackie srm450 woofer makes sound but rattles when turned up


I need more information, but some similar event i remember with SRM450 and was the paper cone on the speaker, not visible from outside but inside was severely cracked all round, hope this helps.

Apr 23, 2012 | Mackie SRM-450 System

1 Answer

When turn on:there's a blowing sound from the speaker...I wonder what component might broken from my SRM450 mackie speker??? Thank You


The actual cone it self... There is no permanent fix for this you can try to use clear nail polish on it by removing the grill and applying polish to ripped portion of the speaker

May 04, 2011 | Mackie SRM-450 System

1 Answer

Sub-Woofer blowing fuses.


You should open it up and look for a short. Usually, an exposed wire is touching metal. Wrap the wire with electrical tape and look for a ground wires that are loose. That will blow fuses too.

Feb 15, 2010 | Harman Kardon HKTS 7 System

1 Answer

I have dropped one of my mackie srm450 speakers and i need a replacement woofer.. where can i get one?


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

Feb 06, 2010 | Mackie SRM-450 System

1 Answer

When turned on: srm450 has no sound, but all leds (power and signal) is normal. If I turn the volume up (near maximum) , the srm450 sound is activatet again , and peforms normally. I then turn volume down...


1 TAKE THE MAINS PLUG OUT
2 Unscrew the fixing screws on the back. (just the outside ones)
3 Take the back off and turn the amplifier circuit board to face you.
4 About 2" from the left and about 4" from the bottom you will see a sort of tab. pull it off gently and widen the 2 prongs slightly.
5 Put the jumper tab back on and re fit the amp.

Dec 26, 2009 | Mackie SRM-450 System

1 Answer

Mackie SRM450 speaker keeps making a 'popping' sound


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.

Aug 31, 2009 | Music

1 Answer

Repair a Mackie SRM 450 Speaker The Speaker is making a crackling sound while playing. The sound keeps cracking up.


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.
http://www.soundspeakerrepair.com/speaker-parts-c/INST/Installation+Instructions
You can buy a new Mackie SRM450 diaphragm at this link.
http://www.soundspeakerrepair.com/speaker-parts-cp/SRM450-DIA/DIA-Mackie/Mackie/

Jul 20, 2009 | Music

1 Answer

Mackie srm450 power light out


if its the blue front light you are talking about it is a fiddly but simple fix.
1 phone mackie and order an l.e.d. about £2
2 when it arrives take out the woofer and carefully lay to the side.
3 use a very small philips screwdriver, a tiny bit of blue tack, a mirror and a torch to remove the screw holding the small circuit board with the l.e.d.in place (the blue tack is to put on the tip of the screwdriver to hold the screw and the mirror and torch is so that you can see it)
4 remove the small circuit board and un-solder the l.e.d from it take note of the orientation of the contacts as they only work one way round) and resolder the new one in place.
5 check that it works and re-fit the board and screw ( this can take 2 seconds or 2 hours depending on how lucky you are and how sticky the blue tack is.
6 re-fit the woofer and grill.

the other way is to split the cabinet using the screws on the back and then the repair is obvious from number 4-5

Mar 30, 2009 | Mackie SRM-450 System

1 Answer

Mackie srm450 the tops on one speaker is not working


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.

Feb 22, 2009 | Mackie SWA1501 Subwoofer

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