In Reply to: I cannae ID the enclosure, but the driver is a VERY early SP12B twincone posted by mhardy6647 on August 7, 2014 at 13:45:00:
All borrowed images; none mine.
The earliest SP12B design that I know of:
(although there also was a version with a silver-colored basket with less "legs", I think)
This "middle" version is pretty common; the basket sort of doesn't look cast... but it is.
and the "last" version (these were available in 8 and 16 ohm versions, some had the vented dustcap as shown in this image, but some didn't, as I recall).
These are pretty respectable 'extended range' 12" drivers; not really quite "full range" but close...
all the best,
mrh
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Follow Ups
- RE:EV SP12B morphs - mhardy6647 14:01:08 08/07/14 (0)