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


Power Supply bad working. Blue led doesn't light.

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?
5/29/2015 10:26:06 AM • Alesis... • Answered on May 29, 2015

Broken bass unit

(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?)
4/26/2013 8:37:24 PM • Alesis... • Answered on Apr 26, 2013


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.
Please help me!
6/8/2010 1:02:56 PM • Alesis... • Answered on Jun 08, 2010

Alesis M1 Active 620 studio monitor cutting out

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.
3/13/2010 2:01:20 PM • Alesis... • Answered on Mar 13, 2010

Alessis 620 monitors, only the base end coming out

Check for the fuse in the high frequency amplifier.
11/16/2009 9:23:19 PM • Alesis... • Answered on Nov 16, 2009

Alesis M1 Active MK2 Biamplified Reference Monitor not working

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.

6/2/2009 6:07:27 PM • Alesis... • Answered on Jun 02, 2009

Blue led problem in alesis mk1 active

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
6/2/2009 6:03:30 PM • Alesis... • Answered on Jun 02, 2009

I have a pair of Alesis M1 Active 520 monitors. One of the has failed.

Bad caps on the power supply
9/19/2019 8:53:07 PM • Alesis Audio... • Answered on Sep 19, 2019

Hello , My Alesis m1 active520 mk1 , starts to make loud beeep with a red light , what can I do :( ?

Hello Alesis, Please follow the link below for more information. ALESIS M1 ACTIVE MK2 REPAIR TUTORIAL FUSE ISSUE
11/21/2017 10:41:42 PM • Alesis Audio... • Answered on Nov 21, 2017
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