Jonathan Mellor Posted March 14, 2010 Share Posted March 14, 2010 Hi, my church has a very old Behringer Eurodesk MX2442A (16mono, 4 Stereo) with an external PSU, had it for years, awful mixer but does the job. Noticed last week that there was no bottom-end on any of the stereo channels. I've tried new cables, different playback devices etc... still get the same problem, comes back very tinny. It is only an issue on the 4 stereo channels, the mono channels are fine. I've never heard of an issue like this before so would appreciate some advice on what might have broken. We're wanting to replace the mixer, but until we can find enough money for an upgrade we have to make do with the behringer desk. cheers Jonathan Link to comment Share on other sites More sharing options...
Jeremy MLS Posted March 15, 2010 Share Posted March 15, 2010 You may have already checked... but have a look around the stereo channels to check whether there is a 80hz (or similar freq.) cut that someone may have turned on Link to comment Share on other sites More sharing options...
MarkPAman Posted March 15, 2010 Share Posted March 15, 2010 Could be something to do with the polarity being reversed between L & R inputs. What's plugged in, how, and has anything changed since the last time it was working properly? Edit to put link for the Desk schematic, which shows the stereo inputs are balanced. :) Link to comment Share on other sites More sharing options...
Jonathan Mellor Posted March 26, 2010 Author Share Posted March 26, 2010 Ch17/18. 3.5mm to twin phonoCh19/20. DVD Player: twin phono to twin jackCh21/22. CD Player: twin phono to twin jackCh23/24. nothing plugged in nothing has been changed in almost a year Link to comment Share on other sites More sharing options...
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