| Identical to |
TMC
|
| Similar
Tubes |
R8 (can normally be replaced - small diff'ce)
|
| First Source
(s) |
1916 : Saga of the Vacuumtube, Tyne page 196
|
| Successor Tubes |
R8
|
|
| Base |
Europe 4-Pin (A, 4A, B4, since 1914)
2 Top contacts
|
| Was used by |
Military and/or Government |
| Filament |
-: Direct /
-: Battery = /
|
| Description |
Spitzname Horned oder Kamerad, Ca. 1916/1917 Weiterentwicklung der TM hin zu höheren Frequenzen (als 600 kHz wgen 15 pf Gitter). Gitter und Anode mit Kappen mit grossem Abstand oben herausgeführt. Wahrscheinlich Phosphor-Getter.
Text in other
languages (may
differ)
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