20VT-202
Commentaire: miniature, 7-pin tube
Type: Triode/M Culot: M278
Filament: tension 6.3 volts Intensité 0.15 A
Anode: Tension plaque maxi 250 Volts R anode: 100K
Comnande : Polarisation grille -7
R interne: 11.4K Pente: 2.2
