TAL5
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BrandTungsram
ClassHigh-performance output pentode
Filament4V @ 2100mA
Construction
Primary Typepentode
EnvelopeDom-Kolben
Sections1
Filament / Heater
Heater NotesIndirectly heated
Absolute Maximum Ratings
Plate Voltage550 V
Plate Dissipation18 W
Grid 2 Voltage250 V
Cathode Current90 mA
Audio Performance
Power Output7.7 W
Key Features
- Indirekt geheizte Hochleistungs-Endpentode
- Dom-Kolben
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Single-ended Class A | 250V | 7000 | - | - | 72mA |
Application Notes
For Push-Pull Class A: Load Anode-to-Anode 4000 Ohms, common cathode resistor 145 Ohms. For Push-Pull Class B: Load Anode-to-Anode 4000 Ohms, fixed bias -21.5 V.
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