Tube-number record
ELL 80
0 archive entries
ELL 80 is a tube type in the TubeDatabase archive (class: AF-twin power pentode). Recorded specifications: brand TELEFUNKEN, construction Pentode, socket Noval (B9A), maximum plate voltage 300 V, and maximum plate dissipation 6 W. The archive does not yet hold a photographed example of this type.
BrandTELEFUNKEN
ClassAF-twin power pentode
BaseNoval (B9A)
Filament6.3 V @ 550 mA
Construction
Primary TypePentode
EnvelopeGlass
SectionsDouble
Filament / Heater
Heater NotesIndirectly heated, Parallel supply
Absolute Maximum Ratings
Plate Voltage300 V
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class A (per system) | 250 V | 6000 | 40000 | 17 | 24 mA |
| Push-pull Class AB (both systems) | 250 V | — | — | — | 42 mA |
| Push-pull Class B (both systems) | 250 V | — | — | — |
Application Notes
For 2 channel or push-pull circuits. Special precautions must be taken to prevent the tube from becoming dislodged.
Datasheets
Datasheet: ELL80.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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