Hi all from new subscriber, Has anyone ever seen a set of constant-current curves for the GU-84B? These are the ones use for amp design in Eimac's "Care and Feeding ..." Bert VE3QAA -- FAQ on WWW: http://www.contesting.com/FAQ/amps Submissions: amps@contesting.com Administrative requests: amps-REQUEST@contesting.com Problems: owner-amps@contesting.com