EY84
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BrandMullard
ClassHalf-wave rectifier
BaseNoval
Filament6.3V @ 1000mA
Construction
Primary TypeIndirectly heated
Rectifier TypeHalf-wave
EnvelopeGlass
Base MaterialGlass
SectionsSingle
Filament / Heater
Heater NotesIndirectly heated
Absolute Maximum Ratings
Plate Voltage2000 V
Cathode Current900 mA
H-C Voltage650 V
Audio Performance
Key Features
- Primarily intended for operation at high altitudes
- Indirectly heated
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Capacitor Input | 500V | - | 150 | - | 150mA |
| Capacitor Input | 625V | - | 250 | - | 125mA |
| Choke Input | 700V | - | - | - | 175mA |
| Full-wave (Two Valves) Capacitor Input | 500V | - | 150 | - | 300mA |
Application Notes
For 1,600 c/s operation the same I/V relation would be obtained using a capacitor of 0.5 uF.
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