radiomuseum.org

XR4

Information - Help 
ID = 32901
       
Country:
Great Britain (UK)
Brand: HIVAC (Brand), High Vacuum Valve Co., Ltd. / Hivac, Ltd.; London
Tube type:  Vacuum Pentode 
Identical to XR4
Similar Tubes
Normally replaceable-slightly different:
  6147

Base Subminiatur-8, with space 1/8, B8D
Filament Vf 1.2 Volts / Direct
Description AF subminiature pentode. 
Tube Tester Data Avo CT160


Just Qvigstad
xr4_characteristics_1.png
XR4: My schematic collection.
Pier Antonio Aluffi

More ...

Collection of

 
xr4.jpg

 

You reach this tube or valve page from a search after clicking the "tubes" tab or by clicking a tube on a radio model page. You will find thousands of tubes or valves with interesting links. You even can look up radio models with a certain tube line up. [rmxtube-en]
  

Data Compliance More Information