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Information - Help 
ID = 49124
Brand: Tungsram; Budapest (see also British T.)
Tube type:  Vacuum Pentode   Power/Output 
Identical to TKL4 = KL4
First Source (s)
1936 : - - Manufacturers Literature

Base Europe side contact P8A (Au P, 8SC)
Filament Vf 2 Volts / If 0.14 Ampere / Direct / Battery =
Information source - - Manufacturers Literature   
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TKL4: Telefunken Werkstattbuch
Wolfgang Bauer

TKL4: Tungsram
Egon Strampe

from Just Qvigstad

Usage in Models 2= 1937 ; 1= 1938??

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

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