Optoma UHD51 noise or normal sound? - AVS Forum | Home Theater Discussions And Reviews
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post #1 of 3 Old 11-17-2019, 02:15 PM - Thread Starter
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Optoma UHD51 noise or normal sound?

I just bought an Optoma UHD51 and getting a buzz sound when it is turned on even on main landing menu or when not playing/projecting anything. Is this a common thing for this series or brand optoma projectors or is this a defective unit? What do you think projector experts & more experienced users?

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post #2 of 3 Old 11-17-2019, 03:55 PM - Thread Starter
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post #3 of 3 Old 11-18-2019, 01:30 AM
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My UHD50 doesn't make a buzz like that. It is almost inaudible from 2ft away.
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