 |
| Identical to |
MS4
|
| Similar
Tubes |
TE42 (can normally be replaced - small diff'ce)
J4091 (can normally be replaced - small diff'ce)
E442 (can normally be replaced - small diff'ce)
AS494 (can normally be replaced - small diff'ce)
DW6 (can normally be replaced - small diff'ce)
S4150 (can normally be replaced - small diff'ce)
|
| Successor Tubes |
MS4B_Catkin
|
|
| Base |
Europe 4-Pin (A, 4A, B4, since 1914) (Codex=Er)
|
| Was used by |
Radio/TV-reception etc. |
| Filament |
-: Indirect /
-: Parallel, (AC/DC) /
If: 1 Ampere /
Vf 4 Volts /
|
| Literature |
Taschenbuch zum Röhren-Codex 1948/49
|
|
|
|
 |
|
CA
Christian ADAM
|
|
rtt
Michael Schlör
|
|
osram wireless guide 1931
Giuseppe Antonio Tusini
|
|
 |