UK Vintage Radio Repair and Restoration Discussion Forum - View Single Post

ionburn · 13th Oct 2019, 3:44 pm

I have some EB91 and EAA91. I regard them both as equivalent. My EAA91's are branded RFT whereas my EB91's are RST.

I just had a look at some curves I plotted a while ago which show similar characteristics.

13th Oct 2019, 3:44 pm	#12
ionburn Heptode Join Date: Dec 2014 Location: Lincoln, Lincolnshire, UK. Posts: 583	Re: Why Both EAA91 and EB91? I have some EB91 and EAA91. I regard them both as equivalent. My EAA91's are branded RFT whereas my EB91's are RST. I just had a look at some curves I plotted a while ago which show similar characteristics.