Tube-number record
6EH8
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BrandGeneral Electric
ClassTriode-Pentode
BaseNoval (B9A)
Filament6.3 V @ 0.45 mA
Construction
Primary TypeMulti-section
EnvelopeT-6 1/2 Glass
Base MaterialGlass
Sections2
Filament / Heater
MaterialCoated Unipotential
Warm-up Time11s
Heater NotesControlled heater-warm-up characteristic
Absolute Maximum Ratings
Plate Voltage300 V
Plate Dissipation2.8 W
Grid 2 Voltage300 V
H-C Voltage200 V
Audio Performance
Key Features
- Sharp-cutoff pentode
- Controlled heater warm-up
- Miniature tube
- VHF Converter
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Pentode Section | 100 V | 6500 | — | — | 12 mA |
| Pentode Section | 125 V | 6000 | — | — | — |
| Triode Section | 125 V | 7500 | 170000 | 40 | 13.5 mA |
Application Notes
Intended primarily for use as a combined triode oscillator and pentode mixer in television receivers.
Datasheets
Datasheet: 6EH8.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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