Tube-number record
9C26
0 archive entries
9C26 is a tube type in the TubeDatabase archive (class: Power Triode). Recorded specifications: brand RCA, year 1947, construction Triode, base Metal, socket Special / none, maximum plate voltage 11500 V, and maximum plate dissipation 7500 W. The archive does not yet hold a photographed example of this type.
BrandRCA
ClassPower Triode
BaseSpecial / none
Construction
Primary TypeTriode
EnvelopeIntegral Radiator
Base MaterialMetal
SectionsSingle
Filament / Heater
MaterialMultistrand Thoriated Tungsten
Absolute Maximum Ratings
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| AF Power Amplifier & Modulator—Class B (Values for 2 tubes) | 8000 V | — | — | 32 | 4500 mA |
| RF Power Amplifier Class B Telephony (Grounded-Filament) | 7500 V | — | — | — | 1500 mA |
| Plate-Modulated RF Power Amplifier Class C Telephony (Grounded-Filament) | 7500 V | — | — |
Application Notes
The filament current should never exceed 425 amperes, even momentarily. Mounting position must be vertical with filament end up.
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