Jim, Refer to the YC-156 datasheet here: http://www.g8wrb.org/data/Eimac/YC156.pdf vy 73, Bryan WA7PRC > Date: Sat, 23 Mar 2013 23:26:23 -0700 > From: Jim VE7RF > Subject: What is max grid current for YC-156?? > > A buddy just fired up his hb YC-156 today. So far, so > good. What is the max safe grid current for > this tube ?? [snip]