BEAM POWER AMPLIFIER
0 Tubes in archive
BrandTUNG-SOL
ClassAudio Power Tube
Base7 PIN OCTAL
Filament6.3V @ 900mA
Construction
Primary TypeBeam Power
EnvelopeT-9
Base MaterialIntermediate
SectionsSingle
Filament / Heater
MaterialCoated
Heater NotesIndirectly heated cathode
Absolute Maximum Ratings
Plate Voltage110 V
Plate Dissipation19 W
Grid 2 Voltage110 V
Cathode Current7.3 mA
H-C Voltage180 V
Audio Performance
Typical THD7.5%
Power Output0.17 W
Key Features
- Low voltage
- Low current drain battery type
- Beam power output
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class A1 Amplifier (Self-Bias) | 84V | 1050 | 250000 | - | 5.4mA |
| Class A1 Amplifier (Fixed-Bias) | 90V | 1150 | 225000 | - | 6.5mA |
Application Notes
Designed for service with 90 volts of 'B' battery and a single dry cell 'A' battery.
Sort by
Showing 1 to 0 of 0 results