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ID = 19491
United States of America (USA)
Brand: Common type USA tube/semicond.
Tube type:  Reflex Klystron 
Identical to 6BL6
Similar Tubes
Normally replaceable-slightly different:
  5836 ; CV5044
Other class quality (otherwise equal):
Multiple differences or of other kind:
First Source (s)
05.Oct.1946 : Electron Tube Registration List 525
Successor Tubes ZV1009  

Filament Vf 6.3 Volts / If 0.75 Ampere / Indirect
Description 1.4 to 6.5GHz external cavity reflex klystron. Can deliver 250mW output signal. Four pin Peewee base. Manufactured by Litton, Raytheon and Sylvania. 
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Information source - - Manufacturers Literature   
Tube Lore (I)   
6BL6: Private collection
Emilio Ciardiello

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6BL6: Manufacturer's Literature
Emilio Ciardiello

6BL6: Manufacturer's Literature
Emilio Ciardiello

More ...

Usage in Models 1= 1956? ; 3= 1963? ; 2= 1977?

Quantity of Models at with this tube (valve, valves, valvola, valvole, válvula, lampe):6

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