Tube-number record
6AL9
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6AL9 is a tube type in the TubeDatabase archive (class: High Mu Triode and Sharp Cutoff Pentode). Recorded specifications: construction Multi-section, base 12HE, and maximum plate voltage 330 V. The archive does not yet hold a photographed example of this type.
ClassHigh Mu Triode and Sharp Cutoff Pentode
Filament6.3 V @ 820 mA
Construction
Primary TypeMulti-section
EnvelopeE12-70
Base Material12HE
SectionsHigh Mu Triode, Sharp Cutoff Pentode
Filament / Heater
Absolute Maximum Ratings
Plate Voltage330 V
Grid 2 Voltage200 V
H-C Voltage200 V
Audio Performance
Key Features
- High Mu Triode
- Sharp Cutoff Pentode
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Triode Section | 200 V | 6300 | 9200 | 59 | 7.6 mA |
| Pentode Section (Condition 1) | 55 V | — | — | — | 56 mA |
| Pentode Section (Condition 2) | 250 V | 30000 | 40000 | — | 28 mA |
Application Notes
General purpose amplifier (Triode section), Video amplifier (Pentode section)
Datasheets
Datasheet: 6AL9.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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