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1 X 6211 TUBE. NEW OLD STOCK.
BRAND: TELEFUNKEN. 1960s PRODUCTION.
GREY PLATES, HALO GETTER, GOLD PIN, UNBALANCED SYSTEMS.
6211 IS A COMPUTER GRADE TUBE ESTRUCTURALY AND ELECTRICALLY IDENTICAL TO ECC802S. HAS DIFFERENT AMPLIFICATION FACTORS: 6211: 27 TO 31; ECC82 / 12AU7: 18 TO 19.
TESTED IN COMPUTERIZED ROEHRENTEST TUBE TESTER:
90/118% 4.152/5.442mA EMISSION (EM) 3.24/4.21mA/V TRANSCONDUCTANCE (GM)
CH164U1
