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jamval

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About jamval

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  1. I have a set of Audax HD12x9D25 soft dome tweeters that are not working. I don't see any broken leads or anything that looks burnt, but they don't work, no continuity, test open. Here's what they look like: And taken apart: The existing coils/diaphragms are in a plastic holder. I will strip out the bad diaphragm salvaging the plastic holder: I can get new voice coil diaphragms like these: The question is how to make sure they are centered in the gap around the pole piece? Will this method work? First place shims around the OD and ID of the gap (I would use mor
  2. I'm not getting any response on the Bozak forum. It's really a question about an Audax tweeter, not made by Bozak. Hope it's not against the rules to post the details in this forum.
  3. Thanks for the reply. The first thread is more related to re-assembly after cleaning ferrofluid out of the gap and adding new fluid. Actually, that AR tweeter poses a bigger problem than mine to center the voice coil in the gap. The AR tweeter in the first post has the diaphragm voice coil attached directly to the top plate of the magnet. Where mine has a plastic holder that is self centering by means of little posts on the magnet plate. The only challenge for me is to get the new voice coil centered on the plastic holder. The second post seems more related to getting the top pla
  4. I have a set of DMS2500; B-800Bc woofers that are working, and what I believe are Audax soft dome tweeters that are not working. I don't see any broken leads or anything that looks burnt, but they don't work, no continuity, test open. Here's what they look like: Bottom: And taken apart: I can get new voice coil diaphragms like these: The question is how to make sure they are centered in the gap around the pole piece? Will this method work? First place shims around the OD and ID of the gap: Next, after stripping out the old
  5. OK, I will give it a shot. I thought about posting there, but since the tweeters aren't 'Bozak' I wasn't sure. And these DMS2500 are later model Bozak, post Rudy, and aren't considered 'classic' Bozaks. Thanks for the reply.
  6. I'm new here and an AK member suggested I ask for help here. But I'm not sure which forum to post to. I have a set of Bozak DMS 2500 2 way speakers. They have B-800Bc woofers and what I believe are Audax soft dome tweeters. The tweeters don't work, no continuity, test open. I want to replace just the voice coil/diaphragm and am looking for advice on how to make sure the voice coil is centered in the gap around the pole piece before gluing them. Is this the correct forum to be asking about this? If so I will post some photos and details of what I am attempting to do.
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