Tube-number record
6BD7
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BrandPhilips
ClassDouble Diode-Triode
BaseNoval (B9A)
Filament6.3 V @ 230 mA
Construction
Primary TypeMulti-section
EnvelopeT 6.5
Sections3
Filament / Heater
Absolute Maximum Ratings
Plate Voltage300 V
Plate Dissipation0.5 W
Grid 1 Voltage-1.3 V
Cathode Current5 mA
H-C Voltage100 V
Audio Performance
Typical THD0.55%
Power Output0.05 W
Key Features
- A.F. Amplification
- Detection
- A.G.C.
- Internal shield
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Typical Characteristics of Triode Section | 250 V | 1200 | 58000 | 70 | 1 mA |
| Operating Conditions - Class A | 250 V | — | 220000 | 51 | 0.7 mA |
Application Notes
In circuits with a 5 Ohm speaker this tube may be used without special precautions against microphonic effect if the input voltage for 50mW output exceeds 10mV.
Datasheets
Datasheet: 6BD7.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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