Tube-number record
6K51P
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6K51P is a tube type in the TubeDatabase archive (class: Pentode). Recorded specifications: construction Pentode, socket Noval (B9A), maximum plate voltage 250 V, and maximum plate dissipation 2.5 W. The archive does not yet hold a photographed example of this type.
ClassPentode
BaseNoval (B9A)
Filament6.3 V @ 300 mA
Construction
Primary TypePentode
EnvelopeGlass
Sections1
Filament / Heater
Heater NotesIndirectly heated
Absolute Maximum Ratings
Plate Voltage250 V
Plate Dissipation2.5 W
Grid 2 Voltage250 V
Cathode Current25 mA
H-C Voltage150 V
Audio Performance
Key Features
- High-frequency
- Short-characteristic
- Indirectly heated cathode
- Wide-band amplification
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Wide-band IF amplifier | 200 V | 15500 | — | — | 8.5 mA |
Application Notes
Designed to amplify intermediate-frequency voltage in wide-band amplifiers.
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