Tube-number record
4B24
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BrandElectrons, Inc.
ClassFull-wave Rectifier
Base4-pin
Construction
Primary TypeOther / special
Rectifier TypeFull-wave
EnvelopeGlass
Base MaterialIndustrial
SectionsDual Anode
Filament / Heater
MaterialTantalum (Anode)
Warm-up Time30s
Absolute Maximum Ratings
Plate Voltage725 V
Cathode Current2500 mA
Audio Performance
Key Features
- Tantalum Anode
- Xenon Gas Filling
- Full-wave Rectifier
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Continuous Rectification | 250 V | — | — | — | 2500 mA |
Application Notes
Preferable to light filament before applying D-C load. Cold starts consume tube life and may blow primary fuses above 115V anode voltage. Phasing of filament voltage relative to anode voltage insures lower arc drop and longer life.
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