1 X 6201/E81CC/12AT7WA TUBE. NEW OLD STOCK IN ORIGINAL BOX.

BRAND: GENERAL ELECTRIC. 1950s PRODUCTION.

BLACK PLATES, D-GETTER.

TESTED IN AMPLITREX AT1000 TUBE TESTER:

92/92% EMISSION (EM) 75/83% TRANSCONDUCTANCE (GM) 1.0/0.6mA/V GAS

CH165U1