| Identical to |
REN904
= 41MHF
= RV4100
= 354V
= MH4
= DW4011
= RS4324
= TL425
= A4110
= AG495
= A430N
= TE24
= 70504
= E428
= WG43
= D4
= ND4_Orion
= 904
= 105
= E424N
= A4D1
= WE27
= CI424
= LA203
|
| Similar
Tubes |
AG495_4pin (other base)
VT132_TKD (Multiple differences or of other kind)
REN1821 (Heater different)
K1694 (can normally be replaced - small diff'ce)
4A120 (can normally be replaced - small diff'ce)
NU41 (can normally be replaced - small diff'ce)
WG42 (can normally be replaced - small diff'ce)
KL70504 (can normally be replaced - small diff'ce)
E424 (can normally be replaced - small diff'ce)
AR4101 (other characteristic (electr. data))
|
| First Series |
1930 Tube leaflet collection E.Erb Analysis by original leaflets |
| First Source
(s) |
Apr.1930 : -- Original-techn. papers. ÖRA Folge 4
1930 : Katalog Prohaska 1930/31 (dick)
|
| Predecessor Tubes |
REN1004
REN1104
|
| Successor Tubes |
1935
AC2
|
|
| Base |
Europe 5-Pin (O5A, B5) (Codex=F)
|
| Was used by |
Radio/TV-reception etc. |
| Filament |
-: Indirect /
-: Parallel, (AC/DC) /
If: 1 Ampere /
Vf 4 Volts /
|
| Description |
Im Prohaska-Katalog 1930/31 wird sie erstmals angeboten. Als Ersatz für REN1004 und REN1104 empfohlen und verwendet, weshalb sie oft als Gerätebestückung in Unterlagen auftaucht (obwohl nicht Originalbestückung). Das war aber wichtig für den Service.
Text in other
languages (may
differ)
|
| Tube prices |
6 Tube prices (visible for members
only)
|
| Literature |
Radios von gestern Seite 243 Vergleichstabelle
Taschenbuch zum Röhren-Codex 1948/49 page462
Saga of the Vacuumtube, Tyne
|
|
