Tube-number record
7061
0 archive entries
BrandRCA
ClassBeam Power Tube
BaseNoval (B9A)
Filament13.5 V @ 210 mA
Construction
Primary TypeBeam tetrode / beam power
EnvelopeT6-1/2
Base MaterialSmall-Button Noval 9-Pin (JETEC No.E9-1)
Sections1
Filament / Heater
Heater NotesVoltage range 12.0 to 15.0 volts
Absolute Maximum Ratings
Plate Voltage345 V
Plate Dissipation9 W
Grid 2 Voltage310 V
H-C Voltage120 V
Audio Performance
Typical THD7%
Power Output3 W
Key Features
- 9-Pin Miniature Type
- For mobile communications equipment
- 6-cell storage-battery systems
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class A1 Amplifier | 200 V | 4200 | 60000 | — | 35.5 mA |
Application Notes
Operating Position: Any. Maximum overall length 2-5/8".
0 results