4 X ECC82 HALTRON TUBE. 1960s TUNGSRAM PROD. COPPER RODS. MATCHED QUAD.75.CH165

4 X ECC82 TUBE. NEW OLD STOCK IN ORIGINAL BOX.

BRAND: HALTRON. 1960s TUNGSRAM PRODUCTION.

GREY PLATES, HALO GETTER, COPPER RODS, MATCHED QUAD.

TESTED IN AMPLITREX AT1000 TUBE TESTER:

100/91% EMISSION (EM) 109/109% TRANSCONDUCTANCE (GM) 0.2/0.1mA/V GAS

99/100% EMISSION (EM) 90/109% TRANSCONDUCTANCE (GM) 0.2/0.2mA/V GAS

99/93% EMISSION (EM) 109/105% TRANSCONDUCTANCE (GM) 0.2/0.1mA/V GAS

97/93% EMISSION (EM) 109/109% TRANSCONDUCTANCE (GM) 0.0/0.2mA/V GAS

CH165U1