Tube-number record
14Y7
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14Y7 is a tube type in the TubeDatabase archive (class: Triode-Hexode Frequency Converter). Recorded specifications: brand Rogers Majestic Electronics, Ltd., construction Multi-section, socket Noval (B9A), maximum plate voltage 250 V, and maximum plate dissipation 1.5 W. The archive does not yet hold a photographed example of this type.
BrandRogers Majestic Electronics, Ltd.
ClassTriode-Hexode Frequency Converter
BaseNoval (B9A)
Filament14 V @ 100 mA
Construction
Primary TypeMulti-section
EnvelopeT6 1/2
SectionsTwo
Filament / Heater
Heater Notes0.1 amp
Absolute Maximum Ratings
Plate Voltage250 V
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Triode Section | 100 V | 2800 | — | 22 | 10 mA |
| Hexode Section Converter (100V Supply) | 100 V | 530 | 1000000 | — | 1.2 mA |
| Hexode Section Converter (170V Supply) | 170 V | 670 | 1000000 | — |
Application Notes
For the alternative of grid No.3 resistor, viz 47,000 ohms, the grid current should be adjusted to 100 pamps at a supply voltage of 100 volts and to 200 pamps at 170V or 200V.
Datasheets
Datasheet: 14Y7.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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