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2 X JAN 6414 TUBE. NEW OLD STOCK IN ORIGINAL BOX.
BRAND: GENERAL ELECTRIC. 1960s PRODUCTION.
GREY PLATES, SOLID GETTER, MATCHED PAIR.
THE SECOND SYSTEM OF THE RIGHT TUBE IT IS LOW. THE MINIMUM GOOD EMISSION IS 60%
TESTED IN AMPLITREX AT1000 TUBE TESTER:
83/71% EMISSION (EM) 89/85% TRANSCONDUCTANCE (GM) 0.1/0.1mA/V GAS
87/67% EMISSION (EM) 100/78% TRANSCONDUCTANCE (GM) 0.2/0.2mA/V GAS
