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Velodyne ULD-15 has a high pitch noise

I have a ULD-15 sub and when you stand it on its feet there is a high pitch sound coming from it. When you stand it on its side the sound goes away. I disconnected the RCA cable and the sound is still there. Can someone please help me with this problem?
cchaidez
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curtaudio's avatar
curtaudio
42 posts
 
Call David Santos at Velodyne, he's the ULD expert. His direct number is (408) 465-2819. His E-Mail address is; [email protected]
Good Luck,
Curt
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