Question about Mackie SWA1801 Subwoofer
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Posted on Jan 02, 2017
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
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
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
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
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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