Tube-number record
TWIN DIODE PENTODE
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ClassReceiving Tube
BaseOctal
Filament6.3 V @ 0.3 mA
Construction
Primary TypeMulti-section
EnvelopeGlass
SectionsPentode, Triode, Diode
Filament / Heater
Absolute Maximum Ratings
Plate Voltage250 V
Grid 2 Voltage125 V
Audio Performance
Key Features
- Remote cutoff
- Duplex-diode pentode
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Pentode Section | 250 V | 1100 | 800000 | — | 3.5 mA |
Application Notes
A single diode of conventional design is provided around a cathode.
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