That other speaker looks like it has a ribbed cone. Did Altec ever make one?
They made 15 inch woofers with ribbed cones. Those are 15 inch woofers in those model 15's.
Model 15 NEVER had a 15 inch woofer in it unless hacked in there by a clueless buffoon similar to the fella selling those. The cabinets are ruined.
411-8A/16A and the 616-8A duplex both have ribbed cones. Both are 15 inch, both have 4 inch voice coils. The 411 is ferrite, the 616 is alnico and claimed to have an LF section that is essentially a clone of the LE-15. Neither are even remotely close to the 33785 woofer.
33785 started life with a stamped steel basket and was made by CTS, those early versions can be found in early model 9's and 15's. AFAIK, all of the cast frame 33785's were built in house by Altec using the same motors and moving assemblies used in the early steel versions.
Last edited by bowtie427ss; June 11th, 2013 at 06:39 AM.
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