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2 X 6CQ6S / EF92 SFR TUBE. NEW OLD STOCK.
BRAND: SFR
CHROME PLATES, D-GETTER, COPPER RODS, MATCHED PAIR.
TESTED IN ROEHRENTEST TUBE TESTER:
99% mA EMISSION (EM) 2.49mA/V TRANSCONDUCTANCE (GM)
99% mA EMISSION (EM) 2.5mA/V TRANSCONDUCTANCE (GM)