Tube-number record
H63
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BrandMarconi
ClassTriode
BaseOctal
Filament6.3 V @ 0.3 mA
Construction
Primary TypeTriode
EnvelopeMetallised
Filament / Heater
Absolute Maximum Ratings
Plate Voltage250 V
Audio Performance
Key Features
- Resistance coupled circuits
- High amplification factor
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| L.F. amplification | 250 V | 1100 | 91000 | 100 | — |
Application Notes
An anode load of 0.25 megohm is suggested with a bias resistance of 2,000 ohms. The grid leak of the following stage should be .5 meg where such a value is allowable.
Datasheets
Datasheet: H63.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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