12SN7GTA
0 Tubes in archive
BrandTung-Sol
ClassMedium-Mu Double Triode
BaseOctal
Filament12.6V @ 300mA
Construction
Primary TypeDouble Triode
EnvelopeT-9
Base MaterialIntermediate Shell Octal
Sections2
Filament / Heater
Heater NotesAC or DC
Absolute Maximum Ratings
Plate Voltage450 V
Plate Dissipation5 W
Grid 1 Voltage-250 V
Cathode Current20 mA
H-C Voltage200 V
Audio Performance
Key Features
- Coated Unipotential Cathode
- General Purpose Amplifier
- Phase-Inverter
- Blocking Oscillator
- Vertical-Deflection Amplifier
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class A1 Amplifier (Unit 1) | 90V | 3000 | 6700 | 20 | 10mA |
| Class A1 Amplifier (Unit 2) | 250V | 2600 | 7700 | 20 | 9mA |
Sort by
Showing 1 to 0 of 0 results