Equivalent: DK91
Type: 7V*/M Culot: M266
Filament: tension 1.4 volts Intensité 0.05 A
Anode: Tension plaque maxi 90 Volts Intensité 1.7
Comnande : Tension Ecran 67.5 Volts Polarisation grille 0/-9
R interne: 500K Pente: 0.3
