 |
| Identical to |
UF9
= MUF9
|
| Similar
Tubes |
UF5 (other base)
UF21 (other base)
OF9 (Heater different)
|
| First Series |
1940 Tube leaflet collection E.Erb Analysis by original leaflets (P41-1) |
| First Source
(s) |
Jan.1940 : Daten und Schaltungen moderner ... Röhren; Philips # 3
|
| Predecessor Tubes |
EF9
|
| Successor Tubes |
UF41
|
|
| Base |
Octal (Int.Octal, IO) K8A, USA 1935 (Codex=Vf)
|
| Was used by |
Radio/TV-reception etc. |
| Filament |
-: Indirect /
-: Parallel / series AC/DC /
If: 0.1 Ampere /
Vf 12.6 Volts /
|
| Tube prices |
0 Tube prices (visible for members
only)
|
| Literature |
Taschenbuch zum Röhren-Codex 1948/49
|
|
|
| |
|
| |
Internet
Miguel Angel Trujillo-Rodriguez
|
|
|
|
JR
Jacob Roschy
|
|
Telefunken Werkstattbuch
Wolfgang Bauer
|
|
RVF-Röhrenbuch-M1,1947
Anonymous 15 Collector
|
|
|
