AVS Special Member
Join Date: Apr 2001
Location: Marshfield, MA, USA
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I don't think this matters what brand it is but it's a Velodyne HGS-15. I'm trying to get to the bottom of a funky sounding sub.
The amp has already been replaced but the funky sound remains, At the request of Velodyne, I pulled the driver to check that the front and rear spiders were not coming un-glued. They were fine. Then I asked what ohm reading I should get from the coil assembly but that went unanswered. A few hours later, I went back to it, turned on the meter and got 5.5 ohms. I did not hear back from V yet, so I shut the meter off and went to bed. This morning while having my coffee, I turned the meter back on and read 7.4 ohms. The other weird thing I noticed this AM is that manually moving the cone in and out changes the ohm readings a lot. I don't think that should happen. I don't think the coil resistance should change at all, should it?
Current owner of the last/best AmPro on the planet. The mighty 4600HD, and it's still running...better than Barco's, especially southern ones.