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Topic: Elmo Sound Problems??
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Paul Adsett
Film God
Posts: 5003
From: USA
Registered: Jun 2003
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posted October 19, 2004 09:48 PM
I assume that the purpose of the black tensioner is to smooth out the effects of uneven take up torque on the take up reel shaft. I have noticed WOW on one of my GS1200'S , but if you temporarily put your hand on the take up reel, and let the film spill out from the back of the projector (thus isolating the take up motor torque from the film ) the WOW totally disappears. This proves that the GS1200 design is very susceptible to WOW when the take up motor torque is fluctuating. How do you correct this problem? According to the Elmo manual, adjusting the tensioning spring force will have no effect on reducing WOW. So how do you fix this problem? Does backlash in the bottom sprocket gears have any effect, and should you adjust the position of the gears to eliminate all backlash? This is one area where I believe that Eumig projectors are far superior. ALL Eumig projectors, 700, 800, and 900 series, are absolutely free of any perceptible WOW.
-------------------- The best of all worlds- 8mm, super 8mm, 9.5mm, and HD Digital Projection, Elmo GS1200 f1.0 2-blade Eumig S938 Stereo f1.0 Ektar Panasonic PT-AE4000U digital pj
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