In Reply to: RE: Original 58 bozak .. Pristine. Do I mod it posted by unclestu on April 4, 2014 at 11:46:15:
I would be very hesitant to modify the woofer.
The B199 cone is a "variable density" design, quite the breakthrough idea from Rudy, and SHOULD be very soft at the perimeter, and hard at the apex. Painting it with any material that will harden the cone removes it basic design which was to minimize and thereby remove the mechanical impedance mis-match at the cone suspension interface, thereby reducing harmonic distortion by an order of magnitude. One cannot assess one small portion of the cone as being soft and apply that "measurement" to the stiffness of the complete upper part of the cone when it is dynamically being driven. Rudy's variable density woofer design was revolutionary, and reduced bass distortions significantly. Stiffening it makes it an entirely different driver. No longer a Bozak.
Peter Ledermann/Soundsmith
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Follow Ups
- RE: Original 58 bozak .. Pristine. Do I mod it - Retipper 13:53:06 04/04/14 (1)
- RE: Original 58 bozak .. Pristine. Do I mod it - RoyJ 16:06:08 04/04/14 (0)