Tube-number record
6H9C
0 archive entries
6H9C is a tube type in the TubeDatabase archive (class: Double triode). Recorded specifications: construction Triode, socket Octal, maximum plate voltage 275 V, and maximum plate dissipation 1.1 W. The archive does not yet hold a photographed example of this type.
ClassDouble triode
BaseOctal
Filament6.3 V @ 300 mA
Construction
Primary TypeTriode
EnvelopeGlass
SectionsDouble
Filament / Heater
Heater NotesIndirectly heated oxide-coated cathode
Absolute Maximum Ratings
Plate Voltage275 V
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Voltage Amplifier | 250 V | 1700 | — | 70 | 2.3 mA |
Application Notes
Designed for amplification of low-frequency voltage. Resistant to ambient temperature from -60 to +70°C and relative humidity of 95 to 98% at +40°C.
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