Tube-number record
18046
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18046 is a tube type in the TubeDatabase archive (class: Endpentode). Recorded specifications: brand VALVO, construction Pentode, socket Noval (B9A), maximum plate voltage 550 V, and maximum plate dissipation 4.5 W. The archive does not yet hold a photographed example of this type.
BrandVALVO
ClassEndpentode
BaseNoval (B9A)
Filament20 V @ 135 mA
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 | 210 V | 11000 | 300000 | 36 | 20 mA |
| Vorverstärker | 210 V | 10000 | 400000 | — | 15 mA |
Application Notes
Zur Verwendung in Weitverkehrsanlagen (Telecommunications). Garantierte Lebensdauer von 10,000 Stunden bei Einhaltung der Heiztoleranzen.
Datasheets
Datasheet: 18046.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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