| Identical to |
E443H
= L496D
= PP4101
= RES964
= DW9
= RTP4
= P43
= WE30
= TE43H
= W443H
= P435
= RS4143
= RS4543
|
| Similar
Tubes |
AL1 (other base)
PM24M (can normally be replaced - small diff'ce)
|
| First Series |
1933 Tube leaflet collection E.Erb Analysis by original leaflets |
| First Source
(s) |
Apr.1933 : Philips Bulletin
|
| Predecessor Tubes |
E443N
|
| Successor Tubes |
1935
AL1
|
|
| Base |
Europe 5-Pin (O5A, B5) (Codex=Foo)
|
| Was used by |
Radio/TV-reception etc. |
| Filament |
-: Direct /
-: Parallel, (AC/DC) /
If: 1.1 Ampere /
Vf 4 Volts /
|
| Description |
By model of the very similar USA-types PZ or 47 from 1931, with the E443H
Philips now introduced output pentodes in Europe with equally 250 Volts screen and plate voltage, it also brought the 7k-ohms load-standard to Europe which remained until the end of the tube era. The former E443N required 400 Vp, but extra 200 Vg2 [J.R. 2003-01-19]
Text in other
languages (may
differ)
|
| Tube prices |
2 Tube prices (visible for members
only)
|
| Literature |
Taschenbuch zum Röhren-Codex 1948/49
|
|
