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450TL

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ID = 17004
       
Country:
United States of America (USA)
Brand: Common type USA tube/semicond.
Tube type:  Transmitting Triode, air cooled   Power/Output 
Identical to 450TL = 3-450A2 = 454L
Similar Tubes
Normally replaceable-slightly different:
  HK854L

Base Jumbo 4-pin bayonet (1918) Sidecontact and top contact.
Was used by Transmittertube (Radio)
Filament Vf 7.5 Volts / If 12 Ampere / Direct
Dimensions (WHD)
incl. pins / tip
x 311 x 130 mm / x 12.24 x 5.12 inch
Tube prices 1 Tube prices (visible for members only)
Information source Tube Lore (II)   p. 218
Universal Vade-Mecum, Electron Valves and Semiconductor Devices   Section 398, p. 893 & 894
Babani, International Radio Tube Encyclopaedia
Taschenbuch zum Röhren-Codex 1948/49


Just Qvigstad
450tl_1.png
450TL: Manufacturer's Literature
Emilio Ciardiello

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Usage in Models 1= 1940?

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

Collection of

 
img_20130814_202423938748650.jpg

450TL
 

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