20 Most Recent Alesis M1-Active-MK2 Powered Studio Monitors -Pair System Questions & Answers


Hi, I'm having the same problem with one of mine M1 Active 620. Please have you found out characteristics of D5 Zener diode, voltage?

Alesis... | Answered on May 29, 2015


(Please read the whole thing before opening anything)
Loose connections inside either the receiver or the subwoofer. Open the subwoofer case (the screen should pop off, if there is no screen there is usually some hidden screws somewhere) and see if there are any wires that have been separated. The problem with subwoofers (more common in car audio) is that they will vibrate so much that when you have something meant to have a lot of bass without the subwoofer and then you add the subwoofer to it, it's overpowering it which causes it to vibrate harder; seperating the cord that attaches the fabric of the speaker itself to the metal harness.
You can do one of 2 things:
1) Souder the wires back together using a heat sink.
2) Get allagator clips, cut them down pretty short and just extend the length of the wires a little bit giving it more bouncing room. Caution with this because if you dont cover the clips and they touch the metal frame, you will have no sound. Electric tape them once they're on.
If nothing is seperated, check the input jacks from the speaker box frame to the speaker itself. Loose connections are common for the crimp on kind.
Also a good idea: if you really (I mean really) want bass and you have no neighbors within a 1/4 mile radius of your house, have a friend who is getting rid of his car woofers to hook you up an AC outlet from the power source, and then use the red and white cables going into the amp to come from your receiver. I've seen this and it's great when watching a movie or playing games. Surrounding people hate it. (Wonder why?)

Alesis... | Answered on Apr 26, 2013


Hello!
my speaker Alessis M1 Active 620, with a roar is very strong in the speaker, the potentiometer does not attenuate, change the volume. Ja switched capacitor C8, based on my research of other users, but got no result. When you press the power button, the LED lights in blue, and even change the color to red, producing a noise (snoring) very strong.
help!
Please help me!

Alesis... | Answered on Jun 08, 2010


I see from the manual there are several controls on the speaker that could affect the sound in the way you describe (gain, hi- and mid-boost, acoustic space). Why don't you compare the actions of each control with the working speaker as the standard and a test tone or FM noise as the source? It might help you to identify a specific internal function that has changed. After that, someone's going to have to crack it open and do surgery.

You might also try using the opposite input (TRS vs XLR) than the one you're using. It might reveal something.

Alesis... | Answered on Mar 13, 2010


Check for the fuse in the high frequency amplifier.

Alesis... | Answered on Nov 16, 2009


Hi Mate, This seems to be a common problem now, go here looks like you need a new capacitor or two, possibly a resistor aswell depending.

http://www.neufeld.newton.ks.us/electronics/?p=232

Alesis... | Answered on Jun 02, 2009


I dont think its anything to worry about, if the unit didnt turn on at all or the LED flickered then you would need a capacitor or 2 changing; check here; http://www.neufeld.newton.ks.us/electronics/?p=232

Alesis... | Answered on Jun 02, 2009

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