Tube-number record
7044
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BrandSylvania
ClassHigh-perveance, medium-mu, double triode
BaseNoval (B9A)
Filament12.6 V @ 450 mA
Construction
Primary TypeDual triode
EnvelopeT-6 1/2
Base MaterialSmall Button 9-Pin
Sections2
Filament / Heater
Heater NotesSeries or Parallel connection
Absolute Maximum Ratings
Plate Voltage300 V
Plate Dissipation4.5 W
Grid 1 Voltage-100 V
Cathode Current50 mA
H-C Voltage200 V
Audio Performance
Key Features
- High-perveance
- Medium-mu
- Designed primarily for computer applications
- High zero-bias plate current
- Freedom from cathode interface
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Typical Operation | 120 V | 10000 | 1900 | 19 | 36 mA |
Application Notes
The tube is characterized by high zero-bias plate current and exceptional freedom from the development of cathode interface. Preferred mounting position is upright or with plate majors in a vertical position.
Datasheets
Datasheet: 7044.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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