Tube-number record
ED
0 archive entries
ED is a tube type in the TubeDatabase archive (class: Output Triode). Recorded specifications: brand Siemens & Halske, construction Triode, socket Special / none, maximum plate voltage 300 V, and maximum plate dissipation 20 W. The archive does not yet hold a photographed example of this type.
BrandSiemens & Halske
ClassOutput Triode
BaseSpecial / none
Filament4 V @ 1.1 mA
Construction
Primary TypeTriode
EnvelopeGlass
SectionsSingle
Filament / Heater
MaterialOxide
Heater NotesDirectly heated
Absolute Maximum Ratings
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class A1 | 100 V | 5500 | 730 | 4 | 55 mA |
| Class A1 | 200 V | 6500 | 620 | 4 | 70 mA |
| Class A1 | 300 V | 5800 | 670 | 3.9 | 60 mA |
Datasheets
Datasheet: Ed.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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