| Country: |
United States of America (USA) |
|
Brand: |
Common type USA |
| |
Tube type: |
Screen-grid Tetrode RF/IF-Stage |
|
Tube ID = 3678
|
 |
| Identical to |
22
= 222
= 38002
= VT-26
|
| Similar
Tubes |
B342 (can normally be replaced - small diff'ce)
|
| First Source
(s) |
Dec.1927 : -- Collector info (Sammler)
|
|
| Base |
UX-Base (4 Pins (2 thick, USA 1924, UX) (Codex=Bu)
|
| Was used by |
Radio/TV-reception etc. |
| Filament |
-: Direct /
-: Battery = /
If: 0.13 Ampere /
Vf 3 Volts /
|
| Description |
US-Tetrode = VC26
Text in other
languages (may
differ)
|
| Tube prices |
0 Tube prices (visible for members
only)
|
| Literature |
Essential Characteristics, GE 1973
Taschenbuch zum Röhren-Codex 1948/49
|
|
|
|
 |
|
O.F.
Otto Frosinn
|
|
Telefunken Werkstattbuch
Wolfgang Bauer
|
|
Cunningham Radiotron Manual
Peter Hoddow
|
|
 |