Tube-number record
12SK7GT
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BrandHytron Corporation
ClassRemote-cutoff Pentode
BaseOctal
Filament12.6 V @ 150 mA
Construction
Primary TypePentode
EnvelopeT-9
Base MaterialMetal sleeve
SectionsSingle
Filament / Heater
Heater NotesAC or DC
Absolute Maximum Ratings
Plate Voltage300 V
Plate Dissipation4 W
Grid 2 Voltage125 V
H-C Voltage90 V
Audio Performance
Key Features
- Single ended
- Internal shield
- Bantam type
- Remote-cutoff
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class A1 Amplifier | 250 V | 2300 | 800000 | — | 9.2 mA |
| Class A1 Amplifier | 100 V | 2000 | 250000 | — | 9.2 mA |
Datasheets
Datasheet: 12SK7GT.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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