Tube-number record
ML-893A
0 archive entries
ML-893A is a tube type in the TubeDatabase archive (class: Power Triode). Recorded specifications: brand Machlett, year 1953, construction Triode, base Metal, socket Special / none, maximum plate voltage 20000 V, and maximum plate dissipation 20000 W. The archive does not yet hold a photographed example of this type.
BrandMachlett
ClassPower Triode
BaseSpecial / none
Construction
Primary TypeTriode
EnvelopeGlass / Water-Cooled Anode
Base MaterialMetal
SectionsSingle
Filament / Heater
MaterialPure-tungsten
Absolute Maximum Ratings
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class C R-F Power Amplifier and Oscillator | 18000 V | — | — | — | 3600 mA |
| Plate-Modulated R-F Power Amplifier | 12000 V | — | — | — | 2000 mA |
| Class B A-F Power Amplifier (2 tubes) | 18000 V | — | — | — |
Application Notes
Full power operation permissible up to 5 MHz. At 40 MHz, voltage and input must be reduced to 50% of maximum ratings.
0 results