5 X 12AY7 GENERAL ELECTRIC TUBE. 1968 PROD. 89. CH165

5 X 12AY7 TUBE. NEW OLD STOCK IN ORIGINAL BOX.

BRAND: GENERAL ELECTRIC. 1968 PRODUCTION.

GREY PLATES, HALO GETTER, QUINTET.

TESTED IN AMPLITREX AT1000 TUBE TESTER:

70/70% EMISSION (EM) 88/88% TRANSCONDUCTANCE (GM) 0.0/0.0mA/V GAS

70/73% EMISSION (EM) 82/88% TRANSCONDUCTANCE (GM) 0.0/0.0mA/V GAS

76/76% EMISSION (EM) 88/82% TRANSCONDUCTANCE (GM) 0.0/0.0mA/V GAS

80/83% EMISSION (EM) 88/94% TRANSCONDUCTANCE (GM) 0.0/0.2mA/V GAS

86/66% EMISSION (EM) 94/76% TRANSCONDUCTANCE (GM) 0.0/0.0mA/V GAS

CH165U1