Tube-number record
HL.22
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BrandMazda
ClassTriode
BaseOctal
Construction
Primary TypeTriode
EnvelopeSmall, metallised
SectionsSingle
Filament / Heater
Absolute Maximum Ratings
Plate Voltage150 V
Audio Performance
Key Features
- General purpose triode
- Battery-operated
- Small dimensions
- Metallised bulb
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Static Characteristics | 100 V | 1500 | 21000 | 32 | — |
| Amplifier (Typical Operation 1) | 120 V | — | — | — | 0.5 mA |
| Amplifier (Typical Operation 2) | 120 V | — | — | — |
Application Notes
Suitable for use in oscillator, detector or L.F. positions. When used as an oscillator, grid leak should be returned to L.T. positive. Cumulative grid detector use requires grid leak returned to L.T. positive or a potentiometer tapping.
Datasheets
Datasheet: HL22.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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