EL506
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BrandBrimar
ClassPower Pentode
BaseMagnoval
Filament6.3V @ 800mA
Construction
Primary TypePentode
EnvelopeGlass
SectionsSingle
Filament / Heater
Absolute Maximum Ratings
Plate Voltage550 V
Plate Dissipation19 W
Grid 2 Voltage440 V
Cathode Current85 mA
H-C Voltage200 V
Audio Performance
Typical THD2.5%
Power Output23 W
Key Features
- Preliminary Data
- High-fidelity output stage intended
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class A Single-ended | 300V | 10200 | 25000 | - | 60mA |
| Class AB1 Push-Pull (Fixed Bias) | 300V | - | - | - | 86mA |
| Class AB1 Push-Pull (Fixed Bias) | 450V | - | - | - | 66mA |
Application Notes
The control grid voltage should be adjusted in each case to give Ia(o) = 60 mA when other voltages are at their nominal values.
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