Question about Mackie SRM 1801

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Hi sorry it was mackie srm 1801 works fine on A out put can I use for time all is working well

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Yes, you can use the A output, as long as you're OK with it being a mono system. It may be helpful to read the manual which has a lot of info including possible setup configurations. Here's a link-

Posted on Mar 29, 2015


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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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SOURCE: 2nd time i went to

Unless you are electronically adept, this is NOT DIY. Take this to a shop.

Posted on Apr 29, 2011

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The OL and THERMAL LEDs turn on quickly after an even very low level signal input.

These subs are renowned for problems. The PSU and the output stages as well as the main driver are all weak and there are a number of companies that will upgrade them and sort out other issues such as vibrations. Assuming it is out of warranty and you really want to use this you would be best going to a specialist repairer to get it sorted not Mackie.

Jun 21, 2015 | Mackie SRM 1801

1 Answer

A output working not b

This will likely be a component level issue. I suggest taking it to the shop. Call and ask them, but some repair guys prefer you pull the amp out to save space in their shop.

Mar 28, 2015 | Mackie SRM 1801

1 Answer

Need spec on Mckenzie loud speakers 12'' dual cone 85 watts rms

What\'s the question, are you asking about eyebolts, SRM 450 or McKenzie speakers?

Let\'s assume speakers. These are quite nice vintage speakers and were fitted in a number of units back in the day. Depending on the use they are going to be put to you\'ll need to find the dimensions of similar boxes for the same use and speaker size from (ideally) makers who used these speakers or something similar. It\'s going to be a bit suck it and see and will also depend on if you are looking to use an infinate baffle, sealed or vented enclosure.

Try Speakerplans com

Sep 23, 2012 | Mackie Pa-a1 Eyebolt Kit for Mackie Active...

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Hi, I have a mackie srm1801 and in the middle of a gig the OL LED came on and wouldn't go off. Input was unplugged and still the light wouldn't go off. After a while the fuse went and now there is no

It is likely that the O/P transistors have blown, especially if the fuse keeps blowing and the O/L led comes on. It's a repair shop jobbie

Nov 30, 2011 | Mackie SRM 1801

2 Answers

Speaker is receiving a signal but no sound is coming out.If you press the back it comes back for a minute but it is not continuous.The speaker sounds fine when it does come back on.

Zombie post, I know... But, I have a solution for this. Remove the power amp unit from the rear of the sub cabinet. Remove the sheetmetal shield, noting the 4 allen screws on the side. Th daughterboard that the 4 screws thread into is a filter for the power amp's output, and is the last circuit that the powered signal goes through before hitting the speaker. If you inspect the solder joints, you will likely find that there are several which are bad. they will look cracked, potentially discolored in the crack. Resolder the joints, making sure to use good solder, and fill the joint. The most likely culprits are the 4 joints belonging to the 2 blade connectors which attach the daughter board to the larger board (which is the actual amplifier component).
Again, sorry for digging this problem up from the grave, but when I searched for a solution earlier, this was one of the only posts that resembled my issues, and it never got a good solution.

Aug 17, 2011 | Mackie SRM 1801

1 Answer

Led's don't power and there seems to be a pulsing coming from inside the unit, even after it's powered off the pulsing continues but gets more and more faint. This sub worked fine a day ago,...

Likely the amp blew and the power supply is being overloaded and keeps trying to power on but finds an overload and continues as the power goes away. This is NOT a DIY unless your are electronically adept.

Jul 14, 2011 | Mackie SRM 1801

1 Answer


If you've changed the tweeter and the sound is still muffled the fault is with the HF amp, or the cross-over. You will have to send the amp assembly for repair as it is all surface mount components in there -nothing you will be able to fix yourself. Sorry for the bad news!

May 04, 2011 | Mackie Srm450v2 Srm V2 Active Speaker...

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