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RRBF

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ID = 16336
       
Country:
Italy
Brand:
Tube type:  Triode, vacuum   Audio Frequency 
Identical to RRBF

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914 (Codex=Eo)
Was used by Radio/TV-reception etc.
Filament Vf 4 Volts / If 0.06 Ampere / Direct / Battery =
Description

Triode made to Italian Army specs

120V anode voltage, 10mA max anode current, -2.5V grid bias. Gain 10, Rp 8Kohm. Used in audio frequency amplifier stages.

 
Information source Taschenbuch zum Röhren-Codex 1948/49   
-- Original-techn. papers.   
 
rrbf.jpg
RRBF: My Collection
Danko Tkalec

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rrbf_so.png
RRBF: rtt
Anonymous 10 Collector

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from Just Qvigstad

Usage in Models 1= 1936?

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):1


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