Well, I got an email from Brent with an answer to the mystery driver in some of the 350's, but I'll wait a day or so and see if they pipe up on their own...
If they don't. I'll ask him if it OK to post his answer, but I do not want to quote him without his permission.
TjB



Axioms; For when you've just Gotta have More Cowbell! 60s 150 350 8s 2is RX-V2500 DVD-C750 2900