radiomuseum.org

 
Please click your language flag. Bitte Sprachflagge klicken.

4T1

Information - Help 
ID = 20214
       
Country:
Italy
Brand: Magnadyne Radio; Torino
Tube type:  Triode, vacuum 
Identical to 4T1

Base Miniatur-7-Pin-Base B7G, USA 1940
Filament Vf 4.7 Volts / If 0.3 Ampere / Indirect / Series, AC/DC
Description Magnadyne cross-reference table from 'Twenty-Thousand Tubes', Mureddu-Atzeri, gives this tube equivalent to an unknown 4AF4A. Probably it is equivalent to the 5AF4A, same anode and heater characteristics. 
Text in other languages (may differ)
 
i_magnadyne_4t1.jpg
4T1: home made photograph
Giuseppe Feniello

 
4t1.png
4T1
Giuseppe Feniello

 

from Just Qvigstad

Usage in Models 2= 1962 ; 1= 1965??

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):3


You reach this tube or valve page from a search after clicking the "tubes" tab or by clicking a tube on a radio model page. You will find thousands of tubes or valves with interesting links. You even can look up radio models with a certain tube line up. [rmxtube-en]
  
rmXorg