2 X 6J7G TUBE. NEW OLD STOCK.

BRAND: CEI. 1960s PRODUCTION.

GREY PLATES, RECTANGULAR GETTER, COPPER RODS, MATCHED PAIR.

TESTED IN AMPLITREX AT1000 TUBE TESTER:

130% EMISSION (EM) 108% TRANSCONDUCTANCE (GM) 0.1mA GAS

140% EMISSION (EM) 116% TRANSCONDUCTANCE (GM) 0.1mA GAS