Tube-number record
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 | 1250 V | 5000 | — | — | 75 mA |
| L.F. class B amplification (two valves) | 1250 V | — | 3350 | — | 40 mA |
| H.F. class C telegraphy | 1500 V | — | — | — |
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