Tube-number record
TAL4
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BrandTUNGSRAM
ClassHigh-slope Output Pentode
BaseSide-contact (P-base)
Filament4 V @ 1.3 mA
Construction
Primary TypePentode
EnvelopeDome bulb (Domkolben)
SectionsSingle
Filament / Heater
Heater NotesIndirectly heated
Absolute Maximum Ratings
Plate Voltage250 V
Plate Dissipation9 W
Grid 2 Voltage250 V
Grid 1 Voltage-13 V
Cathode Current65 mA
Audio Performance
Power Output4.5 W
Key Features
- Hochsteilpenthode
- Wechselstrom
- Domkolben
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Single-ended Class A | 250 V | 9500 | 80000 | — | 36 mA |
| Push-Pull Class B | 250 V | — | — | — | — |
Datasheets
Datasheet: TAL4.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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