6GH8, possibly a 6U8A and 6CQ8 (odd!) as well. Each tube has it's idiosyncrasies, so the sub manuals always have the asterisk or a foot note.
One manufacturer actually made a dual marked 6EA8/6GH8 - but they were short lived, as no other manufacturer jumped on the bandwagon..
http://www.smcelectronics.com/DOWNLO...SUB%201980.PDF
__________________
Brian
USN RET (Avionics / Cal)
CET- Consumer Repair and Avionics ('88)
"Capacitor Cosmetologist since '79"
When fuses go to work, they quit!
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