Tube-number record
ML-298A
0 archive entries
ML-298A is a tube type in the TubeDatabase archive (class: Transmitting Tube). Recorded specifications: brand Machlett Laboratories, Inc., year 1958, construction Triode, maximum plate voltage 20000 V, and maximum plate dissipation 100000 W. The archive does not yet hold a photographed example of this type.
BrandMachlett Laboratories, Inc.
ClassTransmitting Tube
Construction
Primary TypeTriode
EnvelopeWater-cooled anode
Sections1
Filament / Heater
Materialpure-tungsten
Absolute Maximum Ratings
Plate Voltage20000 V
Plate Dissipation100000 W
Cathode Current11000 mA
Audio Performance
Key Features
- Water cooled anode
- High-voltage straight-line exhaust process
- Pure-tungsten filament
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| General Characteristics | — | 22000 | — | 32 | — |
Application Notes
Designed for use as modulators, amplifiers, or oscillators in radio-transmitting service.
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