Tube-number record
ACM 3
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BrandMarconi
ClassTriode
Filament6 V @ 17 mA
Construction
Primary TypeTriode
EnvelopeForced-air-cooled
Sectionssingle
Filament / Heater
Heater NotesIndirectly heated oxide coated cathode
Absolute Maximum Ratings
Plate Voltage2000 V
Plate Dissipation2000 W
Cathode Current2000 mA
Audio Performance
Key Features
- Forced-air-cooled
- Indirectly heated
- Oxide coated cathode
- Designed for video frequency modulator and cathode follower
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Video Frequency Modulator / Cathode Follower | — | 97000 | — | 14 | — |
Application Notes
The ACM3 is not suitable for positive grid drive. Must be mounted vertically with the cathode end uppermost. Rigid connections must be made to the anode only. Cooling must be in operation before application of voltages.
Datasheets
Datasheet: ACM3.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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