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Manufacturer, Examples (Hersteller)
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Sorted by ube name / tube number (Sortiert
nach Röhrenbezeichnung)
|
System
|
Remarks
|
Bemerkungen
|
|
TKD
|
4K30 |
2 Triodes
2 Trioden |
Multi-system tube
|
Mehrfach-Roehre
|
|
Philips
|
328 |
Duo rectifier
Doppelgleichrichter |
-
|
-
|
|
Opta
|
904 |
.
|
.-
|
.-
|
|
Telefunken
|
AB 2 |
Duo diode
Doppeldiode |
-
|
-
|
|
Valvo
|
Triode
|
-
|
-
|
|
|
Valvo
|
AF 3 |
Pentode
|
-
|
-
|
|
Valvo
|
AF 7 |
Pentode
|
RF-AF amplifier
|
HF-NF- Verstärker
|
|
Valvo
|
Octode
|
-
|
||
|
Valvo
|
AL 4. |
Pentode
|
AF final amplifier
|
NF-Endverstärker
|
|
Valvo
|
AZ 1 |
Duo diode
Doppeldiode |
-
|
Netzgleichrichter
|
|
RFT
|
Duo diode
Doppeldiode |
Made in former GDR
|
Hergestellt in der DDR
|
|
|
Telefunken
|
CF 7 |
Pentode
|
-
|
-
|
|
Opta
|
CY 2. |
Duo rectifier
Doppelgleichrichter |
-
|
-
|
|
Tungsram
|
EBC 3 |
Duo diode and triode
|
||
|
Lorenz
|
Duo diode / Pentode
|
AF final amplifier
|
NF-Endverstärker
|
|
|
Valvo
|
Frame grid tube Spanngitterröhre |
-
|
-
|
|
|
Telefunken
|
Mixer / oscillator tube
|
-
|
-
|
|
|
Different manufactures
Verschiedene Hersteller |
EL12
EL12/325 EL12/350 ? EL12/375 EL12S (Spezial) EL12N |
Audio final amplifier
NF-Endstufen-Verstärker |
.
|
|
|
Funkwerk Erfurt
|
Twin rectifier
|
GDR.
|
DDR
|
|
|
Valvo.
|
G 564 (PH1803) |
Diode
|
-
|
-
|
|
Valvo
|
H2518D |
Pentode
|
-
|
-
|
|
Tungsram.
|
Triode
|
for battery receiver
|
für Batterieempfänger
|
|
|
Valvo
|
L 415 D. |
Pentode
|
-
|
-
|
|
Lorenz.
|
LA 408. |
Triode
|
-
|
-
|
|
Huth
|
LE244 |
Triode
|
-
|
|
|
Telefunken
|
Triode
|
-
|
-
|
|
|
Telefunken
|
RE 054 |
Triode.
|
-
|
-
|
|
Telefunken
|
RE38 |
Triode
|
-
|
|
|
Telefunken
|
RE 89 |
Triode
|
-
|
-
|
|
Telefunken
|
Tetrode
|
RF AF
|
HF NF
|
|
|
Valvo
|
Duo rectifier Doppelgleichrichter |
-
|
-
|
|
|
Marconi
|
Tetrode
|
-
|
-
|
|
|
Marconi
|
S 22 |
Tetrode
|
-
|
-
|
|
Ultra
|
U110 |
Triode
|
-
|
|
|
Ultra
|
U220 |
Triode
|
-
|
|
|
Philips
|
UBL21 |
Duo-Diode/Pentode
|
Miniwatt BG8 base
|
Miniwatt Schlüsselröhre
|
|
Philips
|
UL2 |
Pentode
|
NF Endverstärker |
|
|
Telefunken.
|
UL 11 |
pentode
|
AF Final amplifier
|
NF-Endverstärker
|
|
Ultra
|
UL 412 E |
Triode
|
-
|
-
|
|
Ultra
|
Triode
|
-
|
-
|
|
|
Dr.Nickel
|
Ultra Zwerg |
Triode
|
-
|
-
|
|
Telefunken
|
VCL 11 |
Triode / pentode,
|
AF pre and final amplifier |
NF Vor- und Endverstärker |
|
Telefunken
|
VF7 |
Pentode
|
-
|
-
|
|
Seibt.
|
VG 240 |
Duo rectifier Doppelgleichrichter |
-
|
-
|
|
TKD
|
VT69 |
Triode
|
-
|
-
|
|
TeKaDe
|
VT107 |
Triode
|
-
|
-
|
|
TKD
|
VT122 |
Triode
|
-
|
-
|
|
TeKaDe
|
VT129 |
2 triodes
|
multi system tube
|
Mehrfachröhre
|
|
TeKaDe
|
3 triodes
|
multi system tube
|
Mehrfachröhre
|
|
|
Telefunken
|
VY 2 |
Rectifier
|
-
|
-
|
|
Some tubes with 4 electrodes (tetrodes) were described
by the manufacturers as pentodes, because the data corresponded to
pentodes.
Here a table of some tube bases (International and German type) Einige Roehren mit 4 Elektroden (Tetroden) wurden
von den Herstellern als Pentoden bezeichnet, weil die Daten den Penthoden
entsprachen. |
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