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XP2.0

Information - Help 
ID = 37136
       
Country:
Great Britain (UK)
Brand: Hivac Ltd.; Harrow-on-the-Hill
Developer: Hivac Ltd.; Harrow-on-the-Hill 
Tube type:  Triode, vacuum   Power/Output 
Identical to XP2.0

Base Midget 4 pin Hivac (Sm4)
Filament Vf 2 Volts / If 0.08 Ampere / Direct / Battery =
Description

Sm4 Base (One large pin)
Typical:- Va 50V; Ia 2mA; Vg -3V; Ra 6k; gm 1mA/V; 5mW output.

 
Dimensions (WHD)
incl. pins / tip
16 x 63 x mm / 0.63 x 2.48 x inch
Weight 13 g / 0.46 oz
Information source Taschenbuch zum Röhren-Codex 1948/49   
- - Manufacturers Literature   Undated tube brochure
 
hivac~~3.png
XP2.0: Fin Stewart
Fin Stewart

 

from Just Qvigstad

Usage in Models 3= 1937??

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):3

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