| Country: |
United States of America (USA) |
|
Brand: |
Common type USA |
| |
Tube type: |
Double Triode VHF |
|
Tube ID = 4218
|
 |
| Identical to |
2C51
= 396A
|
| Similar
Tubes |
6CC42 (can normally be replaced - small diff'ce)
6n3p (can normally be replaced - small diff'ce)
5670 (other class quality (otherw. equal))
6385 (Multiple differences or of other kind)
18C51 (can normally be replaced - small diff'ce)
|
| First Source
(s) |
25.Nov.1946 : Electron Tube Registration List
|
| Successor Tubes |
5670
6386
|
|
| Base |
Noval, B9A (Codex=No 41)
|
| Was used by |
Radio/TV-reception etc. |
| Filament |
-: Indirect /
-: Parallel, (AC/DC) /
If: 0.35 Ampere /
Vf 6.3 Volts /
|
| Description |
VHF medium mu dual triode, usable up to 800MHz.
GE, Hytron, Sylvania, Tung-Sol, WE known manufacturers.
|
| Tube prices |
0 Tube prices (visible for members
only)
|
| Literature |
Essential Characteristics, GE 1973
Taschenbuch zum Röhren-Codex 1948/49
Tube Lore, Sibley, USA 1996
|
|
|
|
|
|
G.L.
Götz Linss
|
|
ARRL Handbook 1972
Michael Schlör
|
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|
