| Identical to |
AK1 = TK1 = MO465 = WE21
|
| Similar Tubes |
AK2 (other base) A4GDR (can
normally be replaced - small
diff'ce) BK1 (Heater different)
NMO46 (can normally be replaced -
small diff'ce) |
| First Series |
Mar.1934 Tube leaflet
collection E.Erb Analysis by
original leaflets |
| First Source (s) |
Mar.1934 : Philips Bulletin
Feb.1934 : Toute la radio # 1 |
| Predecessor Tubes |
RENS1224 E448 X4122 |
| Successor Tubes |
AK2 |
|
| Base |
Europe 7-Pin (C7A,
C, 1933) (Codex=Leo) Top contact
with a cap
|
| Was used by |
Radio/TV-reception
etc. |
| Filament |
-: Indirect / If:
0.65 Ampere / Vf 4 Volts / |
| Tube prices |
1 Tube prices (visible for
members only) |
| Literature |
Taschenbuch zum Röhren-Codex
1948/49 Design = Philips |
