QUARTET #1 EL84 BELVU' O-GETTER 50s YEARS ( 1959 ) ORIGINAL BOX
LOGO BELVU' IS FROM MAZDA FACTORY FRANCE
SELECTED BY W20 - TV-7 TUBE TESTER
TUBES ARE NEW UNUSED IN GOOD BOX
OLD STOCK NO CURRENT PRODUCTION
PHOTO SHOW ONE OF THE QUARTET AVAILABLE
DATA CODE 5927 bq
( PHOTO SHOW BOX WITH DATA CODE AND TEST VALUE )
test w20 Va=Vgs= +250V
Vg1= -7,3V Ia ref= 49,5mA ( W20 label test )
Ia1=54mA Ia2=52mA Ia3=54mA Ia4=54mA
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