Tube-number record
R 165
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BrandLa Radiotechnique
ClassPentode
BaseNoval (B9A)
Filament18 V @ 105 mA
Construction
Primary TypePentode
EnvelopeA 22-1
SectionsSingle
Filament / Heater
Heater NotesIndirect heating
Absolute Maximum Ratings
Plate Voltage180 V
Plate Dissipation2.6 W
Grid 2 Voltage180 V
Cathode Current20 mA
H-C Voltage70 V
Audio Performance
Key Features
- A très grande pente
- High transconductance
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Pentode | 150 V | 17000 | 100000 | — | 14 mA |
Application Notes
Measured with a shield connected to the cathode.
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