radiomuseum.org
Please click your language flag. Bitte Sprachflagge klicken.

HK254

Information - Help 
ID = 17172
       
Country:
United States of America (USA)
Brand: Heintz & Kaufman Ltd. (Gammatron); San Francisco, CA
Developer: Heintz & Kaufman Ltd. (Gammatron); San Francisco, CA 
Tube type:  Transmitting Triode, air cooled   Power/Output 
Identical to HK254 = Gammatron_254

Base Jumbo 4-pin bayonet (1918) (Codex=Bz) Sidecontact and top contact.
Was used by Transmittertube (Radio)
Filament Vf 5 Volts / If 7.5 Ampere / Direct
Description

4-pin Jumbo base.

 
Text in other languages (may differ)
Dimensions (WHD)
incl. pins / tip
69 x 184 x mm / 2.72 x 7.24 x inch
Weight 142 g / 5.01 oz
Information source Tube Lore (II)   p. 217
Radio Shack Catalog   1939, page 10
Taschenbuch zum Röhren-Codex 1948/49

hk254~~1.png HK254: orig. doc.
Wolfgang Holtmann


Just Qvigstad
hk254_data.png
HK254: Radio Shack, Catalog 1939
Anonymous 15 Collector

 

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