03-09-2015, 08:27 AM
(02-09-2015, 07:03 PM)AlanBeckett Wrote: Was it meant for the Amateur Market or a Commercial Product?
I don't have any info on that, but following the circuit it looks strange to me - the anode going direct to the grid of the next valve, and what's marked as HT+1 and HT+2 going to the LT







