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Canadian Radio Mfg Corp R0-9 development valve

Size This valve measures 66x17mm overall and has a B7G base

 

See also R08. This valve appears to be a diode with the cylindrical anode composed of 4 segments split vertically and independently connected. This valve has a filament, compared with the R08 which has a heater/cathode.

 

Pin Function
1 Anode '1'
2 Filament
3 Anode '2'
4 n/c
5 Anode '3'
6 Filament
7 Anode '4'

Inside view

R09

This file was last modified 15:29:29, Tuesday September 02, 2014