Please click your language flag. Bitte Sprachflagge klicken.


Information - Help 
ID = 20214
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 / Specified current AC/DC ~ = (Series working)
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)

4t1.png 4T1
Giuseppe Feniello

Just Qvigstad
Usage in Models 2= 1962 ; 1= 1965?? ; 1= 1966??

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

Collection of



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]

Data Compliance More Information