Tube-number record
AS 944
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AS 944 is a tube type in the TubeDatabase archive (class: Cold Cathode Triode). Recorded specifications: brand AEG, construction Other / special, socket Octal, and maximum plate voltage 380 V. The archive does not yet hold a photographed example of this type.
BrandAEG
ClassCold Cathode Triode
BaseOctal
Construction
Primary TypeOther / special
EnvelopeGlass
SectionsTriode
Filament / Heater
Absolute Maximum Ratings
Plate Voltage380 V
Grid 1 Voltage90 V
Cathode Current25 mA
Audio Performance
Key Features
- Inert gas-filled
- Oxide-coated cathode
- Any mounting position
- Darkened valve operation
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Starter-triggered discharge | 140 V | — | — | — | 15 mA |
Application Notes
Free socket contacts must not be used for supporting any circuitry. Starter current can be lowered using a sweep capacitor between starter and cathode.
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