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RL-16

 
    
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The RL16 in this exhibit is a twin barretter in a glass envelope with a B9A base. The RL16 Type designation was also used for the EC52 triode with a CV equivalent of CV1137 and this was on a B9G base - quite different and to avoid confusion w have added a hyphen to the Type designation.
Each of the barretters looks to be a single wire but close examination shows that each strand is made of a coil of very fine wire. Such a fine wire is not designed to pass a significant current so this is probably for HT regulation.
The GEC logo indicates that M-OV made this for the professional market.
The two separate circuits.
The thin glass tube envelope is 21 mm in diameter, and excluding the B9A base pins is 49 mm tall.
Reference: Observation.

 

Pin Connections
B9A
1
2
3
4
5
6
7
8
9
ic
f
f
ic
-
ic
f(1)
f(1)
ic

 

Updated January 27, 2017.
shape:thin.glass.tube construction:all.glass type:barretter base:b9a pins:9 pin:1.ic pin:2.f pin:3.f pin:4.ic pin:5.- pin:6.ic pin:7.f(1) pin:8.f(1) pin:9.ic
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