6EH7=EF183 GE NOS ( 5 in stock)
6EH7=EF183 RCA Canada NOS (5 in stock)
6EH7=EF183 Sylvania NOS (4 in stock)
EF183=6EH7 Amperex Bugle Boy Holland 1960 "D" getter halo (11.5ma)
EF183=6EH7 Amperex Holland 1959 "D" getter halo (12ma)
EF183=6EH7 Siemens branded Telefunken NOS 1963 (15ma)
