 |
| Identical to |
CCH1 = 24M3
|
| Similar
Tubes |
Heater different: ACH1C Other base: 21TH8 Other base and other base diagram: ACH1; BCH1
|
| First Series |
1938 Tube leaflet collection E.Erb Analysis by original leaflets |
| First Source
(s) |
Nov.1938 : Funk, Die Zeitschrift des Funkwesens 1938 #21
1937 : TR3711-210
|
| Predecessor Tubes |
BCH1
|
| Successor Tubes |
1938
ECH11
UCH11
UCH5
|
|
| Base |
Europe side contact base P (P8A) (Codex=Sh)
Top contact with a cap
|
| Was used by |
Radio/TV-reception etc. |
| Filament |
Vf 20 Volts / If: 0.2 Ampere / -: Indirect / -: Series, AC/DC / |
| Tube prices |
2 Tube prices (visible for members
only)
|
| Literature |
Taschenbuch zum Röhren-Codex 1948/49
|
|
|
| |
|
| |
Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse
Karel De Reus
|
|
 |
|
JR
Jacob Roschy
|
|
Telefunken Werkstattbuch
Wolfgang Bauer
|
|
RVF-Röhrenbuch-M1,1947
Anonymous 15 Collector
|
|
 |