Tube NOS (new old stock), NIB (new in box).
Neuf = Neuf ... New, Never used !
Tous les tubes ont été controlés bons sur analyseur Metrix LX109A (Courant anode Ia, pente S, gaz, court-circuits),
@ Vp = 250V / Vg1 = -2V :
(100% : Ia = 10 mA / S = 5 mA/V)
Garantie satisfait ou remboursé.
Worlwide Registered shipping (with Tracking number), we combine shipping, just ask before paying.