WE19
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BrandPhilips / Telefunken
ClassVariable-mu pentode with double diode detector
BaseSide-contact (Zoccolo a contatti laterali)
Construction
Primary TypeVariable-mu pentode with double diode
EnvelopeMetallized glass (Bulbo in vetro metallizzato)
SectionsPentode-Double Diode
Filament / Heater
MaterialSpiralizzato
Heater NotesIndirect heating (Accensione indiretta), Rapid heating cathode
Absolute Maximum Ratings
H-C Voltage100 V
Audio Performance
Key Features
- Variable mu
- Metallized bulb
- Low distortion
- Rapid heating
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Fixed Screen Voltage | 250V | 1800 | 1500000 | - | 5mA |
| Sliding Screen Voltage (Rg2 = 85kOhm) | 250V | 1800 | 1500000 | - | 5mA |
Application Notes
Studiata per l'amplificazione in media frequenza e successiva rivelazione. La regolazione avviene sfruttando il principio della tensione di schermo mobile.
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