Tube-number record
6BH8
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BrandGeneral Electric
ClassTriode-Pentode
BaseNoval (B9A)
Filament6.3 V @ 600 mA
Construction
Primary TypePentode
EnvelopeT-6 1/2
Base MaterialGlass
Sections2
Filament / Heater
Warm-up Time11s
Heater NotesControlled heater warm-up characteristic for series-connected heaters.
Absolute Maximum Ratings
Plate Voltage300 V
Plate Dissipation3 W
Grid 2 Voltage300 V
H-C Voltage200 V
Audio Performance
Key Features
- Controlled heater warm-up characteristic
- High figure of merit pentode
- Suitable for video amplifier and IF service
- Triode can be used as diode for video detector
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Pentode Section (Class A Amplifier) | 200 V | 7000 | 150000 | — | 15 mA |
| Triode Section (Class A Amplifier) | 150 V | 3300 | 5150 | 17 | 9.5 mA |
Application Notes
The triode section of the 6BH8 incorporates a lower amplification factor than the 6AU8 triode section and consequently may be used in applications where the lower amplification factor is desired. Suitable for monochrome and color television receivers.
Datasheets
Datasheet: 6BH8.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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