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ID = 45742
Brand: Tesla; Praha, Bratislava etc.
Tube type:  Transmitting Tetrode, air cooled   UHF 
Identical to RE025XS
Similar Tubes
Other class quality (otherwise equal):
  RE025XA ; RE025XB
Multiple differences or of other kind:

Base COAXIAL in general (X..) Top contact with a cap.
Filament Vf 6 Volts / If 2.6 Ampere / Half indirect
Description Forced air cooled tetrode. 250W anode dissipation; up to 500MHz full ratings.

The RE025XS is an early glass version of the RE025XA.

Weight 130 g / 4.59 oz
Information source - - -   
- - Manufacturers Literature   
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