8-pin Loktal Schlüsselröhre

8-pin Lock-in US

ID:
Name:
Base type:
Base code:
Contact length:
Contact diameter:
Contact circle:
Contact spacing:
Base diameter:
Shell/sleeve:
Spigot info:
Bayonet:
Side terminals:
First tubes:
First year:
Origin:
Tube example:
Comments: 

Link to Tubes
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176
8-pin Lock-in
all glass
67-I-9a / D8-1 / B8G
5.97 mm
1.27 mm
17.45 mm
45°
30.1 mm
metal sleeve
metal
side nob
no
1231
1938
USA
1231
just like British B8G, minor design change of side nub

9-pin Loctal

ID:
Name:
Base type:
Base code:
Contact length:
Contact diameter:
Contact circle:
Contact spacing:
Base diameter:
Shell/sleeve:
Spigot info:
Bayonet:
Side terminals:
First tubes:
First year:
Origin:
Tube example:
Comments: 

Link to Tubes
Tube Admin

120
9-pin Loctal
all glass
67-I-6a / B9G
4.5 mm
1.1 mm
21 mm
40°
44 mm
metal sleeve
metal
no
no
EE50
1938
Great Britain
EF50

OKTALSOCKEL

OCTAL SMALL WAFER

with "950" sleeve

ID:
Name:
Base type:
Base code:
Contact length:
Contact diameter:
Contact circle:
Contact spacing:
Base diameter:
Shell/sleeve:
Spigot info:
Bayonet:
Side terminals:
First tubes:
First year:
Origin:
Tube example:
Comments:

Link to Tubes
Tube Admin

190
8-pin Octal
small wafer
67-I-5c / B8-191
11.1 mm
40.9 mm
2.4 mm
45°
44 mm
metal sleeve
metal
no
no
-
-
USA
-
-