Posted by Steve C on April 26, 2001 at 12:59:16:
In Reply to: Ceveney 691 vs. 601 posted by Please answer on April 24, 2001 at 06:33:45:
Wellknow one has answered this but here's a guess. That extra slide appears, to me, to be a second tunning slide for putting the horn in a different key (BBb would be my guess).
Steve C