Question about Mackie SRM-450 System

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I own a pair of mackie srm450 powered speakers, currently im in iraq where the power is 220. the speakers were plugged into 220v and they are rated at 100v. is this a easy repair and if so where can i find inforamtion to do the repair at or is this a hard prepair that will take an expret to do. can you discribe the repair process.

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  • Anonymous Dec 28, 2008

    ahhh yeah.... I own more then one but the guy didnt they were 110V, any helpful soultions out there?

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  • 51 Answers

You'll need to get a power adaptor, that's about all you can do.

Posted on Dec 27, 2008

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1 Answer

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You just take out all the screws from the back and remove it carefully, there you'll find fuse near by the power plug.
Check amperage (I think it is 4Amp fuse) and replace it

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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

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SRM450 - Blue LED does not come on when powered up - speaker fully functional. Very recent problem. As it does not effect operation can I just ignore?


If don't bother the absence of the blue light and speaker operates
correctly then just ignore it...nothing will happen just because a non-functioning L.E.D. IMHO.

Aug 28, 2011 | Mackie SRM-450 System

1 Answer

The blue light on my Mackie srm450 speaker is not working.Can I get a replacement part.Thanks Sandy


Hi,
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.

Take care.

Jun 11, 2010 | Mackie SRM-450 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

2 Answers

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!

Jun 06, 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.

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