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Take the mono output from the desk to the powered subwoofer, it should have it's own crossover/low pass filter built in.

Mackie 1604 Vlz3... | Answered on May 08, 2016

Mackie Hotwire... | Answered on May 08, 2016

They are available on the Mackie drivers site at
You can find everything you need to know about this beautiful beastie at

Mackie Hotwire... | Answered on May 08, 2016

You can't. A mixer won't take the input from a guitar. You would need to connect the guitar to an amplifier and then connect the output from the amp to the mixer.

A mixer is what it is, a device to mix lots of incoming audio signals and mixing the volumes to a number of speakers.

The unit does contain pre-amps, but not to run a device.

Mackie CFX 12... | Answered on Apr 17, 2016

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...

Mackie PPM608... | Answered on Mar 07, 2016

You can get it directly form Mackie. Here's their link-

Contact Support Mackie

Mackie 3204-VLZ3... | Answered on Feb 14, 2016

I would reccommend opening it up and taking a look inside. It should be easy to work out how to open it up. Once opened, check for any signs of damage or burning around the power supply unit. To find out what all of this means, simply search up what you're having trouble with on YouTube. Check to see if any of the capacitors are damaged. However, The most common reason for your problem would be damaged soldering, cracked soldering, or a weak solder connection. If you ?nkw anyone (friends or family) that are good at electronics and soldering etc, be sure to ask them to check it out too

Mackie SRM350V2... | Answered on Jan 04, 2016

Frank, What exactly are you trying to accomplish? Are you attempting to do a single mix with only 1 output/speaker? Depending on your personal preferences, if you are using multiple outputs, then you should be running everything in stereo. It is more difficult, but when mastered, it will give you a better sound than just mono. For example; If you are amping your drums, they should always be panned in the middle. That is, unless you are going for individual snare separation. If your lead guitar stands to the left of the main vocalist, then the guitar should be panned slight left. Rhythm guitar should be in the middle. ETC. Remember, in the end, it all comes down to the sound you are trying to attain. So as the sound mixer, the ball is in your court. ^^ Good luck, and hope this helps.

Mackie ProFX16... | Answered on Dec 09, 2015

Replace your sub, it is blown.
Best prices on replacement parts, that I have found online so far, hope this helps, best of luck!

Mackie SRM-450... | Answered on Oct 06, 2015

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