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

211B

Information - Help 
ID = 15320
       
Country:
United States of America (USA)
Brand:
Tube type:  Transmitting Triode, air cooled   Power/Output 
Identical to 211B = HF120
Similar Tubes
Normally replaceable-slightly different:
  211 ; 211C ; CV25
Predecessor Tubes HF240  
Base Jumbo 4-pin bayonet (1918) (Codex=Byy)
Was used by Transmittertube (Radio)
Filament Vf 10 Volts / If 3.2 Ampere / Direct / Specified voltage AC/DC
Description

75 Watt plate dissipation; mu 12; 15MHz frequency for maximum ratings.
4-pin bayonet jumbo base.

 
Weight 227 g / 8.01 oz
Information source Taschenbuch zum Röhren-Codex 1948/49   
Saga of the Vacuum Tube, Tyne   
- - Manufacturers Literature
Tube Lore (I)
vt4c_15.png 211B: Manufacturer's Literature
Emilio Ciardiello

Just Qvigstad 		hf120211b_ax_1_1.png
211B: Manufacturer's Literature
Emilio Ciardiello
More ...

Collection of

Robert Gillespie (USA)
 
amperex_211b_e820.jpg

211B
 
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