| Country: |
United States of America (USA) |
|
Brand: |
Common type USA |
| |
Tube type: |
Double Triode Power/Output |
|
Tube ID = 4281
|
 |
| Identical to |
3A5
= DCC90
= CV808
|
|
| Base |
Miniatur-7-Pin-Base B7G, USA 1940 (Codex=Zx)
|
| Filament |
-: Direct /
-: Series, DC /
If: 0.11 Ampere /
Vf 2.8 Volts /
|
| Description |
Heizfaden-Mittenanschluss, daher auch Uf=1,4V und If=0,22A möglich.
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
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|
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| |
|
| |
Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse
Karel De Reus
|
|
|
|
MS
Martin Steyer
|
|
Telefunken Werkstattbuch
Wolfgang Bauer
|
|
RCA Tube Manual
Peter Hoddow
|
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|
