| Identical to |
ECH41
= CF61
|
| Similar
Tubes |
ECH42 (other characteristic (electr. data))
|
| First Series |
1947 Tube leaflet collection E.Erb Analysis by original leaflets |
| First Source
(s) |
Dec.1947 : Funk-Technik (FT) # 24
Mar.1947 : Daten und Schaltungen moderner ... Röhren; Philips # 3a
|
| Predecessor Tubes |
ECH21
ECH4
|
| Successor Tubes |
1948
ECH42
|
|
| Base |
Rimlock base B8A (Codex=W)
|
| Was used by |
Radio/TV-reception etc. |
| Filament |
-: Indirect /
-: Parallel, (AC/DC) /
If: 0.22 Ampere /
Vf 6.3 Volts /
|
| Description |
Osz.-/Mischröhre bis 30MHz, Osz.Spannung zw. 7 und 10 Veff, Schirmgitter-Spannungsteiler kann gleichzeitig auch für das Schirmgitter der EAF42 oder EF41 verwendet werden,
Text in other
languages (may
differ)
|
| Dimensions (WHD) |
22 x 66 x 22 mm / 0.87 x 2.60 x 0.87 inch |
| Tube prices |
0 Tube prices (visible for members
only)
|
| Literature |
Taschenbuch zum Röhren-Codex 1948/49
|
|