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1 X EAF801 VALVO TUBE. NEW OLD STOCK.
BRAND: VALVO. 1960s SIEMENS UND HALSKE PRODUCTION.
MESH PLATE, HALO GETTER.
DETERIORATED LOGO.
TESTED IN ROEHRENTEST TUBE TESTER:
-DIODE:
79% mA EMISSION (EM)
-PENTODE:
80% mA EMISSION (EM) 2.84mA/V TRANSCONDUCTANCE (GM)
