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I have a Mackie sa1521 soeaker that has its thermal light permanantly on. The speaker works but is in safe mode, is there a reset, bypass or fix fir this, thanks

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Anonymous

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Posted on Jan 02, 2017

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mrwtech

Marc Wiggins

  • 59 Answers

SOURCE: SRM 450 Mackie

1)Clean the heat sinks on the amp on the back of the speaker,
2) carefully remove the amp from the rear of the cabinet and look for 'crispy critters' on the circuit board. If you see 'um, either take the amp to a service center, or go to your dealer and get him to order you a new one.
3) if you're goin' thermal, either get higher powered speakers, or tune it back a bit with these. I have a set that has run years in a dance room with no problems. If you are stretching the system to cover a bigger audience, think about another pair.

Posted on Dec 05, 2008

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SOURCE: The blue light on my Mackie srm450 speaker is not

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.

Posted on Jun 11, 2010

turinband

turinband

  • 7 Answers

SOURCE: mackie 450 thermal light on no sound

could you give some more info? what are your running into your speaker? and how exactly is it run? once we weed out common issues like switched up cables, than we can move on to internals.
which on that note, I think this is a manufacturing defect


here's a link to the schematic if you want to go poking around the circuits.....


http://www.mediafire.com/?myion3zkxn3


or
http://www.mediafire.com/file/myion3zkxn3/Mackie-SRM450 actspk.pdf



take a resistance test between D56 pin1 and Q35 pin2. thats where this issue seems to be stemming from from ones ive worked on. I have know it to be an internal track that was broken and needed to be glued back down. definitely not the first time ive seen this....

Posted on Dec 08, 2012

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1 Answer

With the Mackie PPM608 Mixer, our passive speakers aren't working. We use CVi-252s, but I'm sure it's an issue with the mixer rather than the speakers.


Get a plug cable and work the plug in and out of all INSERT or BYPASS jacks. These get rusty and interrupt signals.
If that is a no, open up and check power supply voltages and all cable connectors, might have been vibration and something got loose...
PEACE---

Jan 31, 2016 | Mackie PPM608 Professional Powered Mixer

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on Oct 28, 2010 | Computers & Internet

1 Answer

Srm450 no lights


Silly question. Is the Timed Off Button jammed in?

I had one like this the other week?

Apr 08, 2014 | Mackie SRM-450 System

1 Answer

Mackie 450 thermal light on no sound


could you give some more info? what are your running into your speaker? and how exactly is it run? once we weed out common issues like switched up cables, than we can move on to internals.
which on that note, I think this is a manufacturing defect


here's a link to the schematic if you want to go poking around the circuits.....


http://www.mediafire.com/?myion3zkxn3


or
http://www.mediafire.com/file/myion3zkxn3/Mackie-SRM450 actspk.pdf



take a resistance test between D56 pin1 and Q35 pin2. thats where this issue seems to be stemming from from ones ive worked on. I have know it to be an internal track that was broken and needed to be glued back down. definitely not the first time ive seen this....

Dec 07, 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

Cuts out ofter 1 hour good loud usage. thermal and limit lights DO NOT illuminate. (They DO work, as Ive seen them on in the past) Jon


probably overheated capacitor somewhere in the unit. You can use multi-tester or capacitor tester to find fault.

Jul 06, 2009 | Mackie SWA1501 Subwoofer

1 Answer

Mackie srm450 not making any sound at all


It sounds like the thermostat didn't shut the speakers down before they were damaged. There is probably a very fine wire leading to the speaker coils which is burned/broken. Fixing this broken connection my solve the problem unless the coil itself is damaged.

Another possibility is that the crossover circuitry in the speaker cabinet is damaged from overheating.

Sounds like you need a service tech to look at the bad speaker, unless you want to tackle the job.

Apr 22, 2009 | Mackie SWA1501 Subwoofer

1 Answer

SRM 450 Mackie


1)Clean the heat sinks on the amp on the back of the speaker,
2) carefully remove the amp from the rear of the cabinet and look for 'crispy critters' on the circuit board. If you see 'um, either take the amp to a service center, or go to your dealer and get him to order you a new one.
3) if you're goin' thermal, either get higher powered speakers, or tune it back a bit with these. I have a set that has run years in a dance room with no problems. If you are stretching the system to cover a bigger audience, think about another pair.

Oct 04, 2008 | Mackie SRM-450 System

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