Un contacteur type Push-Pull.
Deux positions fixes (on pousse et on tire).
2 contacts à ouverture - 2 contacts à fermeture.
Contacts argentés.
Chaque contact est  doublé pour minimiser la résistance de contact.

Provenance: Préampli mélangeur SE5-A36 tropicalisé à tubes EF36.
Radiodiffusion et Télévision Française.
1961

Servait à sélectionner l'impédance en amont du transfo d'entrée.



Exactement ce qu'il y a sur les photos.




Prix fixe: 16,50€






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