Tube-number record
V248A
0 archive entries
V248A is a tube type in the TubeDatabase archive (class: Directly heated transmitting screened pentode). Recorded specifications: brand Mazda, construction Pentode, socket Octal, maximum plate voltage 150 V, and maximum plate dissipation 5 W. The archive does not yet hold a photographed example of this type.
BrandMazda
ClassDirectly heated transmitting screened pentode
BaseOctal
Construction
Primary TypePentode
EnvelopeGlass
SectionsSingle
Filament / Heater
Absolute Maximum Ratings
Plate Voltage150 V
Plate Dissipation5 W
Grid 2 Voltage150 V
Audio Performance
Key Features
- Directly heated
- Transmitting
- Screened pentode
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Measured | 150 V | 5200 | — | — | — |
Datasheets
Datasheet: V248A.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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