3CX1200 Sent from my iPhone On Jun 5, 2017, at 19:39, Bill Turner <dezrat at outlook.com> wrote: Too bad they don't make a ceramic version of the 3-500z, or do they? I think that would be a very popular tube! 73, Bill W6WRT _______________________________________________ Amps mailing list Amps at contesting.com http://lists.contesting.com/mailman/listinfo/amps