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2 X 1611 / 6F6 TUBE. USED.
BRAND: RCA RADIOTRON. 1950s PRODUCTION.
THE PAINT IN BOTH TUBES IS PEELING OFF. FROM THE UNCOVERED METAL HAS APPEARED RUST. EVEN THOUGH THE TUBES IS AESTHETICALLY DAMAGED, IT DOES WORK PERFECTLY AND THE MEASUREMENTS ARE OVER A 100% EMISSION.
TESTED IN AMPLITREX AT1000 TUBE TESTER:
100% EMISSION (EM) 101% TRANSCONDUCTANCE (GM) 2.2mA/V GAS
104% EMISSION (EM) 98% TRANSCONDUCTANCE (GM) 2.3mA/V GAS
