| Country: |
United States of America (USA) |
|
Brand: |
Common type USA |
| |
Tube type: |
Triode-Pentode Universal |
|
Tube ID = 3986
|
 |
| Identical to |
6U8A
= 6KD8
|
| Similar
Tubes |
6U8 (can normally be replaced - small diff'ce)
5U8 (Heater different)
9U8A (Heater different)
6678 (can normally be replaced - small diff'ce)
|
| First Source
(s) |
23.Apr.1956 : Electron Tube Registration List
|
| Successor Tubes |
7059
|
|
| Was used by |
Radio/TV-reception etc. |
| Filament |
-: Indirect /
-: Parallel, (AC/DC) /
If: 0.45 Ampere /
Vf 6.3 Volts /
|
| Tube prices |
0 Tube prices (visible for members
only)
|
| Literature |
Essential Characteristics, GE 1973
|
|
|
|
|
|
MS
Martin Steyer
|
|
RTT Schwandt
Günther Stabe
|
|
RCA Tube Manual
Peter Hoddow
|
|
|
