In 1988 I bought a ULD-15 sub. Over the years, the controller has been serviced twice by Velodyne. Somewhere along the line the controller face plate morphed into a "ULD Series II" face plate. I am considering selling this rig. Does the "Series II" face plate in any way misrepresent this subwoofer system?
Velodyne ULD-15 vs. ULD-15 II subs
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