Tube-number record
HL.22
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HL.22 is a tube type in the TubeDatabase archive (class: Triode). Recorded specifications: brand Mazda, construction Triode, socket Octal, and maximum plate voltage 150 V. The archive does not yet hold a photographed example of this type.
BrandMazda
ClassTriode
BaseOctal
Construction
Primary TypeTriode
EnvelopeSmall, metallised
SectionsSingle
Filament / Heater
Absolute Maximum Ratings
Plate Voltage150 V
Audio Performance
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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