Question about Mackie SWA1801 Subwoofer

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The thermal light on one of my Mackie SWA 1801z's comes on as soon as I plug in the speaker. This is even when the speaker is cold and nothing is plugged into the input. Is there anything I can do about this myself or do I need to take it to a tech?

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  • Contributor
  • 4 Answers

I would take it to a tech.

Posted on Oct 21, 2013

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6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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mrwtech
  • 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

  • 1 Answer

SOURCE: Signal light stays on, no sound output

T14 is part of the +15v power supply that feeds the input board.
It is actually a transistor.
If this is the only problem on the board, then this transistor could be resoldered back on but you will have to make sure it tests OK and it attaches to the heatsink the same way it came off. ie make sure it is electrically isolated from the heatsink
It seems if there is no fuses blown on the power amp board you might be one of the lucky ones.
In my opinion this amp is a clever design but is under-engineered for robustness

Posted on Sep 16, 2008

mrwtech
  • 59 Answers

SOURCE: Mackie srm-450 constant annoying hum (buzzing) even with no input plugged in

Mix, try this...Get everything in your audio system together.get a coupla power strips. Power up both speakers on that strip with no inputs, just the speakers. gotta hum(60hz)? ground-lift the strip and see if it stops. add one peice of the puzzle at a time until you find your buzz generator, if you're a mobile DJ, doing gigs in 'God Knows Where' you would be well advised to buy a "Power Conditioner" that will level out spikes and dips in the voltage servicing your gear.

Posted on Dec 05, 2008

  • 8 Answers

SOURCE: replaceing internal fuse to mackie active sub woofer swa 1501

Hi There, you need to check the 3 fuses that clip onto the main amp board. You can access them by undoing the two screws that are on the top and the bottom of the sub. They have flat large heads and you will need a hex key to unscrew them. If it is one of the fuses that has gone it will either be discoloured as in burnt or you will see the metal inside has split. Simply replace these by pulling out the burnt out fuse and replace with a new fuse and hey presto you should be back up and running. If you need any parts for the sub or fuses then www.LondonSpeakerShop.com will be able to supply them (that is if you're in the UK). Also the offer a service of swapping them over for you if you really don't want to do it yourself. Hope this helps. Grant (from www.LondonSpeakerHire.com)

Posted on Mar 24, 2009

  • 1 Answer

SOURCE: The Amp on Mackie SWA 1501 sparked and burned today

The Mackie SWA 1501 subwoofer is one on the best subwoofers but it's a heavy one. I have it since 2007 and have no problems with it, still working. I would recommend to buy the new SWA 2801z. If you're in germany check this site: Mackie Subwoofer in Cologne

Posted on Dec 20, 2009

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1 Answer

My mackie swa 1501 when you plug in no power checked the outlet their is power checked power cord good. what can i do


There are many possibilities, the switch, motherboard, electronics etc. If you are a DIY kind of person and you want to try trouble shooting yourself, you need tools. Better still, take it to a service person/ outlet to proper checks.

Oct 06, 2014 | Mackie SWA1501 Subwoofer

1 Answer

Hi. I have problems with my SWA1801. When I try to start the amp, the Thermal light goes on. Even if the amp is cold ! What can it be? I have turned down the gain on the back and have good cables to the...


Power it ON, without anything connected to the input.

If it powers On without the thermal light, then rejoice,

If it powers On with the thermal light it means something...

Oct 23, 2012 | Mackie SWA1801 Subwoofer

1 Answer

Mackie sub swa 1501 no LED no output but light on board appears to be on


los transistores de salida estan en corto 2sa1943 y 2sc5200 reviisa los drivers tip 122 y los irf

Feb 18, 2012 | Mackie SWA1501 Subwoofer

1 Answer

I have damaged the cone on my swa 1801z subwoofer can I get a replacement cone and where ?


  • Yes you can. It is not the easiest of tasks but far cheaper than replacing that 18. There are a few places you can get recone kits from so I will list a few of them and let you decide the quality of kit you wish to purchase.
http://www.speakerrepair.com/ocsrepairprice.html http://reconekits.com/ http://www.simplyspeakers.com/speaker-recone-kits.html
  • Here is a place that will recone all moving parts for you. Of course there is some shipping involved.
http://www.simplyspeakers.com/speaker-reconing.html
Regards, Tony

Apr 25, 2011 | Mackie SWA1801 Subwoofer

1 Answer

Blowm fuse


for 110V supply use at least 8Amp fuse but for 220V supply 4amp will do.

Mar 12, 2010 | Mackie SWA1501 Subwoofer

2 Answers

The Amp on Mackie SWA 1501 sparked and burned today


I don't think the amps are available from Mackie any more. You can have it fixed: www.alivesoundcenter.com

Nov 26, 2009 | Mackie SWA1501 Subwoofer

1 Answer

Ould some one send me a copy of that schematic. I


Sorry, not really a solution yet. Just contacted the Belgium Service center. They say they're not allowed to give the schematics. Maybe Mackie is ashamed to show what's in it? Any way, this is all but a good publicity for the service of Mackie
Gerdy
Gerdy's Music Shop
Belgium
gerdy@gerdysmusicshop.be

Nov 07, 2009 | Mackie SWA1801 Subwoofer

3 Answers

Swa 1801 mackie blown capacitor


Took alot of finding but you can get them from Digi-key

Sep 16, 2008 | Mackie SWA1801 Subwoofer

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