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I tried to re-cone the 14-inch drivers in my 35 year old JBL l55 speakers and ran into an unanticipated problem. These LE-14 drivers made by JBL have an extremely tight clearance betwen the voice coil and magnet assembly. Re-coning them requires the use of mylar shims (buy a sheet of drafting mylar and cut some 1-inch wide strips from it) to maintain proper clearance.
Attempting to re-cone without use of the shims will invaribly result in the voice coil dragging against the magnet assembly with resulting horrible sound quality and potential voice coil damage. I went to a local guy working from his basement to correct my error.
Other high quality drivers from the same era may have the same issue.
posted by 68.42.115...
_______________________________________
Saabs owned:
2008 9-5 Aero Sedan, sold at 227K miles
2006 9-3SC 2.0T - Wife's daily driver
2000 Viggen Convertible - Sold May, 2022
1964 Quantum IV Formula Car - Retirement project
2000 9-5lpt Sedan, sold at 318K miles
Posts in this Thread:
- GM is screwing over owners of all their dead brands, MI-Roger , Mon, 13 Aug 2012 13:33:26
- Not just GM, Bruce, Tue, 14 Aug 2012 07:05:21
- That's the old GM screwing you, Gene N , Tue, 14 Aug 2012 05:08:17
- Speakers, No Snaab, Tue, 14 Aug 2012 04:32:08
- Get better speakers, Bill Homer , Mon, 13 Aug 2012 15:00:49
- It's bad for Hummers., John Myers, Mon, 13 Aug 2012 14:34:40
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