1B22
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BrandWestern Electric
ClassSpark Gap Modulator Tube
BaseBracket/Clip Mounting
Construction
Primary TypeHydrogen argon filled spark gap
EnvelopeGlass
SectionsSingle Gap
Filament / Heater
Absolute Maximum Ratings
Plate Voltage2700 V
Grid 1 Voltage5000 V
Cathode Current75000 mA
Audio Performance
Key Features
- Hydrogen argon filled
- Triggered spark gap
- Resonance charging compatible
- Omni-directional mounting
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Triggered Gap Modulator | 2500V | - | - | - | 75mA |
Application Notes
The 1B22 is a hydrogen argon filled spark gap modulator tube best suited for operation as a triggered gap. Minimum of two tubes used for triggered gap operation. Reverse current should be avoided to preserve tube life.
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