In Reply to: RE: New Breakthrough for BOSE 901's owners by putting wood glue on the speaker driver's paper cones Part Two..... posted by audioguy3107 on July 26, 2012 at 16:10:14:
The purpose is to tame paper cone breakup resonance modes...most of which raise their ugly heads at elevated frequencies.
In doing the coating, they are able to extend the frequency range and avoid ugly response peaks.
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Follow Ups
- Coating paper cones with wood glue moves paper cones towards a "metal cone" type of behavior........... - HiFiSoundGuy 14:17:18 07/29/12 (0)