TC 1/75
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BrandPhilips
ClassTriode
Construction
Primary TypeTriode
EnvelopeGlass
SectionsSingle
Filament / Heater
MaterialOxide-coated, directly heated
Absolute Maximum Ratings
Plate Voltage1500 V
Plate Dissipation75 W
Cathode Current200 mA
Audio Performance
Power Output170 W
Key Features
- Oxide-coated cathode
- Directly heated
- Oscillator
- H.F. amplifier
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Characteristics | 1250V | 5000 | - | - | 75mA |
| L.F. class B amplification (two valves) | 1250V | - | 3350 | - | 40mA |
| H.F. class C telegraphy | 1500V | - | - | - | 123mA |
| H.F. class B telephony | 1500V | - | - | - | 65mA |
| H.F. class C anode modulation | 1250V | - | - | - | 115mA |
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