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Topic: Ultra Stereo JSD100 stage output levels changing
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Steven J Hart
Master Film Handler
![](http://www.film-tech.com/ubbmembers/2340.jpg)
Posts: 282
From: WALES, ND, USA
Registered: Mar 2004
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posted 07-24-2012 10:32 PM
Many complaints about our sound came my way after our midnight showing of The Dark Knight Rises. Sound FX & Music too loud, Can't hear dialogue. So, Friday morning I checked the reference levels for each channel. Left stage was 7 db hot, Center was right at 85 db and Right stage was 9 db hot. WTF: B chain was just calibrated by our tech a month ago. I reset the levels, watched parts of the movie and was satisfied with the sound so I saved the new settings to the JSD100's internal memory. Friday night rolls around, Same problem so I changed the levels on the fly during the show, then did a calibration again after the show was over. Then I cycled the power of the unit and was right back at the wonky levels for L & R even though the settings showed the same db reading on the GUI. If i moved the level down even by .1 db on one channel, the audio level on both L & R would drop by 7 - 9 db instantly. After much experimentation I realized that there was no consistency at all to my levels. They just would not stay where I adjusted them after a restart of the processor. Finally I updated all three processor's firmware files on the JSD100 and my settings now appear to be much more stable. This took me many hours of work, plus phone time with my tech. Has anyone else run into these problems? Sorry for the overly-long post!
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