1 X EC86 TUBE. NEW OLD STOCK.

BRAND: MAZDA. 1960s TELEFUNKEN PRODUCTION.

GRAY PLATES, HALO GETTER, GOLD PIN, 3 MICA.

TESTED IN FUNKE W20 TUBE TESTER:

MINIMUM GOOD EMISSION = 60% = 7mA

15.1mA EMISSION (EM)