Tube-number record
5KE8, 6KE8
0 archive entries
5KE8, 6KE8 is a tube type in the TubeDatabase archive (class: Triode-Pentode). Recorded specifications: brand RCA, year 1963, construction Multi-section, base Small-Button Noval 9-Pin, socket Noval (B9A), maximum plate voltage 280 V, and maximum plate dissipation 2 W. The archive does not yet hold a photographed example of this type.
BrandRCA
ClassTriode-Pentode
BaseNoval (B9A)
Filament5.6 V @ 0.45 mA
Construction
Primary TypeMulti-section
EnvelopeT6-1/2
Base MaterialSmall-Button Noval 9-Pin
Sections2
Filament / Heater
Warm-up Time11s
Heater NotesRCA Dark Heater; 5KE8 has controlled 11-second warm-up time
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Triode Section Class A1 | 125 V | 8000 | 5000 | 45 | 13 mA |
| Pentode Section Class A1 | 125 V | 12000 | 125000 | — | 10 mA |
Application Notes
Designed primarily for use as combined oscillator-mixer tubes in television receivers.
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