Tube-number record
6H7C
1 archive entry
6H7C is a tube type in the TubeDatabase archive (class: Double triode). Recorded specifications: construction Triode, socket Octal, maximum plate voltage 300 V, and maximum plate dissipation 5.5 W. The archive holds 1 photographed example of this type.
ClassDouble triode
BaseOctal
Filament6.3 V @ 810 mA
Construction
Primary TypeTriode
Envelopeglass
Sectionsdouble
Filament / Heater
Heater NotesIndirectly heated
Absolute Maximum Ratings
Plate Voltage300 V
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Both triodes in parallel | 294 V | 3400 | — | 35 | 65 mA |
| Each triode | 300 V | — | — | — | 17.5 mA |
Application Notes
Designed for amplification of low-frequency power. Resistant to ambient temperature from -60 to +70°C and relative humidity of 95 to 98% at +40°C.