| Identical to |
E446
= H4128D
= SP4
= RENS1284
= MS/Pen
= NS4
= P4150
= RS4346
= TE46
= WE23
|
| Similar
Tubes |
4636 (other class quality (otherw. equal))
8A1_7pin (other base)
A4AM (can normally be replaced - small diff'ce)
8A1 (can normally be replaced - small diff'ce)
HP4101 (can normally be replaced - small diff'ce)
NSS43 (can normally be replaced - small diff'ce)
S430N (can normally be replaced - small diff'ce)
|
| First Source
(s) |
Apr.1933 : Philips Bulletin
|
| Predecessor Tubes |
E462
E452T
|
| Successor Tubes |
AF7
|
|
| Base |
Europe 5-Pin (O5A, B5) (Codex=Fco)
Top contact screw type
|
| Was used by |
Radio/TV-reception etc. |
| Filament |
-: Indirect /
-: Parallel, (AC/DC) /
If: 1.1 Ampere /
Vf 4 Volts /
|
| Tube prices |
3 Tube prices (visible for members
only)
|
| Literature |
Taschenbuch zum Röhren-Codex 1948/49
|
|
