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MX80

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ID = 12830
       
Country:
France
Brand: Grammont (Radiofotos, Fotos); Paris, Malakoff
Tube type:  Dual-Grid Tetrode   Frequency converter 
Identical to MX80

Base French Bigrille 5 pin (D) (Codex=Eu)
Filament Vf 4 Volts / If 0.12 Ampere / Direct / Battery =
Information source Taschenbuch zum Röhren-Codex 1948/49   
- - Manufacturers Literature   2-9-1933

tubeenvdiag_klein_mod_bigr_8.gif
MX80: DRB 55
Wolfgang Holtmann

tubesockel_klein_bigrillem_3_4.gif MX80: W.H.
Wolfgang Holtmann

miniwattsmall2_7.png
MX80: own collection
Peter den Boer

Usage in Models 1= 1931

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):1

Collection of

 
mx80grammont.jpg

MX80
 

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