I bought a great Depth i sub back in 2012. It had a couple of minor problems when I first bought it and the dealer I purchased it at fixed those up for me. For awhile everything worked great. Then back around 2018 or so the sub would put out a weird static/crackling sound. It sounds like it is coming from all three woofers. It goes on for maybe a minute, kinda faint, and then goes away. About 2 weeks ago for the first time it made a big thump that was loud enough that we thought someone had knocked at the door. My daughter actually got up to check the door! LOL
For the most part the sub works fine, but we can be watching tv and then the static sounds kicks in. It only happen maybe 2 times a month. I found that unplugging the power and then plugging back in seems to make it stop. Another thing I noticed is that the sound can persist even when everything else is turned off, like when I turn off the tv and stereo/amp. It takes a few minutes for the power on the subwoofer to go into standby, and during that time you may hear the sound.
I called in to ML but now with coronavirus there isnt anyone there to take calls for service. I emailed but even that is stretched thin. We communicated back and forth some but was told that he cant really get me any answers now and will get back later. Id like to fix the issue. My guess is a problem with the amp board, and replace that. I dont want to replace it though if its not bad. There are other parts like the power supply, toroid, and control panel. Havent been able to get too far with ML now. Hopefully things look up there.
For the most part the sub works fine, but we can be watching tv and then the static sounds kicks in. It only happen maybe 2 times a month. I found that unplugging the power and then plugging back in seems to make it stop. Another thing I noticed is that the sound can persist even when everything else is turned off, like when I turn off the tv and stereo/amp. It takes a few minutes for the power on the subwoofer to go into standby, and during that time you may hear the sound.
I called in to ML but now with coronavirus there isnt anyone there to take calls for service. I emailed but even that is stretched thin. We communicated back and forth some but was told that he cant really get me any answers now and will get back later. Id like to fix the issue. My guess is a problem with the amp board, and replace that. I dont want to replace it though if its not bad. There are other parts like the power supply, toroid, and control panel. Havent been able to get too far with ML now. Hopefully things look up there.