Tube-number record
MC 2/200
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MC 2/200 is a tube type in the TubeDatabase archive (class: Triode). Recorded specifications: brand Philips, construction Triode, maximum plate voltage 2000 V, and maximum plate dissipation 250 W. The archive does not yet hold a photographed example of this type.
BrandPhilips
ClassTriode
Construction
Primary TypeTriode
EnvelopeGlass
SectionsSingle
Filament / Heater
MaterialOxide-coated
Warm-up Time2.5s
Absolute Maximum Ratings
Plate Voltage2000 V
Plate Dissipation250 W
Cathode Current400 mA
Audio Performance
Power Output74 W
Key Features
- Oxide-coated cathode
- Directly heated
- Modulator
- H.F. and L.F. amplifier
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Static | 2000 V | 6000 | 2500 | 15 | 100 mA |
| L.F. Class A Amplification | 2000 V | — | — | — | 125 mA |
| L.F. Class B Amplification (two valves) | 2000 V | — | — | — | 80 mA |
| H.F. Class C Telegraphy | 2000 V | — | — | — | 350 mA |
| H.F. Class B Telephony | 2000 V | — | — | — | 190 mA |
Application Notes
Used as modulator, H.F, and L.F. amplifier in various transmission modes.
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