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6F40

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ID = 20217
       
Country:
Italy
Brand: Magnadyne Radio; Torino
Tube type:  Screen-grid Tetrode   Power/Output 
Identical to 6F40

Base Miniatur-7-Pin-Base B7G, USA 1940
Filament Vf 6.3 Volts / If 0.8 Ampere / Indirect / Specified voltage AC/DC
Description Anode: 110V und 41 mA; Ug1: -7,5 V; Steilheit: 5,8 mA/V; Ra: 15000 Ohm; µ=1,5 
Tube prices 1 Tube prices (visible for members only)

6f40_magnadyne_b.png 6F40: Magnadyne
Fabio Masetti


Just Qvigstad
6f40_data.png
6F40: Magnadyne tube manual
Giuseppe Feniello

Usage in Models 2= 1958?? ; 2= 1962??

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):4

Collection of

 
6f40.jpg

 

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