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2 X EAF801 VALVO TUBE. NEW OLD STOCK.
BRAND: VALVO. 1960s SIEMENS UND HALSKE PRODUCTION.
MESH PLATE, HALO GETTER, MATCHED PAIR.
TESTED IN ROEHRENTEST TUBE TESTER:
-DIODES:
BOTH DIODES TESTED OK
-PENTODE:
92% mA EMISSION (EM) 3.6mA/V TRANSCONDUCTANCE (GM)
101% mA EMISSION (EM) 3.46mA/V TRANSCONDUCTANCE (GM)