In Reply to: Get a taller chair :) nt posted by neolith on May 19, 2015 at 11:00:21:
Yes those white spots are an aluminum oxide--in my experience these "nodules" may suggest breaks in the voice coil. I used a continuity tester to locate the two breaks in the wires in my "silent" MG-IIa. I repaired those breaks and the speakers still play sweetly two years later. I stripped off and replaced the tweeter wires--easy job.
If you are seeing voice coil corrosion in all the panels why not replace all the wire while the speakers are apart? From your posting I got the impression that only the dead panels were being sent out. Maybe I misread that.
Regarding tweeter height... In the old days we would put Decca or Sequerra ribbons way up on top of the tweeter panels and it sounded great. These days I would try a pair of Linaeum tweeters crossed at ~6Khz for fun. Time to dust off that Dahlquist DQ-LP1.
My T-1C and all the T-1D I recall had "L" bracket feet that facilitated any alignment of the panels.
...j
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Follow Ups
- RE: Get a taller chair :) nt - j beede 18:36:26 05/19/15 (1)
- Thanks j beede ... - andyr 19:06:09 05/19/15 (0)