18046
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BrandVALVO
ClassEndpentode
BaseNoval
Filament20V @ 135mA
Construction
Primary TypePentode
EnvelopeGlass
SectionsSingle
Filament / Heater
Heater NotesIndirectly heated, AC or DC, Parallel or Series supply
Absolute Maximum Ratings
Plate Voltage550 V
Plate Dissipation4.5 W
Grid 2 Voltage550 V
Cathode Current30 mA
H-C Voltage120 V
Audio Performance
Typical THD5%
Power Output1 W
Key Features
- Lange Lebensdauer (10,000 Stunden)
- Vergoldete Sockelstifte
- Hohe Zuverlässigkeit
- Enge Toleranzen
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Endverstärker | 210V | 11000 | 300000 | 36 | 20mA |
| Vorverstärker | 210V | 10000 | 400000 | - | 15mA |
Application Notes
Zur Verwendung in Weitverkehrsanlagen (Telecommunications). Garantierte Lebensdauer von 10,000 Stunden bei Einhaltung der Heiztoleranzen.
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