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8RR2

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ID = 82813
       
Country:
Great Britain (UK)
Brand: Osram-Valves GB (not MO-Valves)
Developer: Osram-Valves GB (not MO-Valves) 
Tube type:  Triode, vacuum   Audio Frequency 
Identical to 8RR2

Base TELEPHONE-BASE in General
Was used by Telephony
Filament Direct / Battery =
Description

This tube was similar in construction to the R tube. The base on this tube was a brass cylinder with four stubby pins. Several versions of this tube are known

 
Dimensions (WHD)
incl. pins / tip
x 115 x 55 mm / x 4.53 x 2.17 inch
Weight 64 g / 2.26 oz
Information source -- Collector info (Sammler)   

 
osram_8rr2_1_rc.jpg

8RR2
 

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