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829B

Information - Help 
ID = 11891
       
Country:
United States of America (USA)
Brand:
Tube type:  Double Beam Power Tube 
Identical to 829B = 2B29 = QV07-40 = QQV07-40 = CV2666
Similar Tubes
Other shape (e.g. bulb type):
  829 ; 829A ; F6022 ; P2-40B
Normally replaceable-slightly different:
  3E29 ; CV2295 ; CV632 ; OSW2026
First Source (s)
26.Oct.1943 : Electron Tube Registration List
Predecessor Tubes 829A  

Base Septar (1+6 pins) (Codex=sp)
Filament Vf 12.6 Volts / If 1.125 Ampere / Indirect / Parallel, (AC/DC)
Description Dual VHF beam tetrode. Derived from 829, has platinum-plated molibdenum grids and is capable of 40W plates dissipation. Very similar to 3E29, differences in ratings just derived from limitations in the manufacturer's tests. 
Text in other languages (may differ)
Dimensions (WHD)
incl. pins / tip
58 x 105 x mm / 2.28 x 4.13 x inch
Weight 100 g / 3.53 oz
Tube prices 5 Tube prices (visible for members only)
Information source Taschenbuch zum Röhren-Codex 1948/49   
Tube Lore (I)   
  829b_app1.png
  829B: Manufacturer's Literature
Emilio Ciardiello
 
829b_rca.jpg
829B: Peter Roggenhofer
Peter Roggenhofer † 25.4.18

 
829b_so.png
829B: ARRL Handbook 1972
Michael Schlör

 
829b_3e29_data_aarl.png
829B: AARL Handbook 48
Jacob Roschy


Usage in Models 1= 1945?? ; 1= 1951 ; 1= 1975??

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


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