2 X 6AK5 TUBE. NEW OLD STOCK IN ORIGINAL BOX.

BRAND: RCA. 1950s PRODUCTION.

CHROME PLATES, RECTANGULAR GETTER, MATCHED PAIR.

TESTED IN AMPLITREX AT1000 TUBE TESTER:

127% EMISSION (EM) 115% TRANSCONDUCTANCE (GM) 0.6mA/V GAS

118% EMISSION (EM) 100% TRANSCONDUCTANCE (GM) 0.4mA/V GAS

CH167U1