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403B

Information - Help 
ID = 22121
       
Country:
United States of America (USA)
Brand: Western Electric Company Inc.; New York (NY)
Tube type:  Vacuum Pentode   RF/IF-Stage 
Identical to 403B = 5591
Similar Tubes
Heater different:
  5654 ; 6AK5W ; E95F ; EF905
Multiple differences or of other kind:
  KS-21076 ; TS-6AK5-AX
Predecessor Tubes 403A  
Base Miniatur-7-Pin-Base B7G, USA 1940
Was used by Radio/TV-reception etc.
Filament Vf 6.3 Volts / If 0.15 Ampere / Indirect
Description

Similar to 403A, with heater current reduced to 150mA.

 
Dimensions (WHD)
incl. pins / tip		 x 45 x 19 mm / x 1.77 x 0.75 inch
Tube prices 1 Tube prices (visible for members only)
Information source Tube Lore (II)   p. 243
- - Manufacturers Literature   
Tube Lore (I)
mi29_g_19.gif 403B: RTT Schwandt
Günther Stabe † 19.8.20
More ...
Just Qvigstad 		5591_we_1.png
403B: Manufacturer's Literature
Emilio Ciardiello

Collection of

John Albion (CDN)
Patrice Zeissloff (F)
Danko Tkalec (HR)
Tor Steinnes (N)
Stig Comstedt (S)
Hilmer Grunert (D)
Karlheinz Fischer (D)
 
we_403b.jpg

403B
 
Forum contributions about this tube
403B
Threads: 1 | Posts: 1
Hits: 2635     Replies: 0
403B (403B)
Aglef Tröger
10.Nov.11 		  1
403B (403B) 

Hersteller ebenfalls: Northern Electric, Canada

Attachments

 
403B
End of forum contributions about this tube
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