5CX1500A
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BrandEIMAC
ClassRadial Beam Power Pentode
BaseSK-840
Construction
Primary TypePentode
EnvelopeCeramic/Metal
Base MaterialMetal
SectionsSingle
Filament / Heater
MaterialThoriated Tungsten
Absolute Maximum Ratings
Plate Voltage5000 V
Plate Dissipation1500 W
Grid 2 Voltage750 V
Cathode Current1000 mA
Audio Performance
Power Output3220 W
Key Features
- Ceramic/metal construction
- Rugged mesh filament
- Low intermodulation distortion
- Designed for SSB service
- Forced air cooling
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class AB1 Linear Amplifier | 4000V | 24000 | - | 5.5 | 690mA |
| Class C Telegraphy | 4500V | - | - | - | 900mA |
| Class C Plate Modulated | 3200V | - | - | - | 800mA |
Application Notes
The tube is recommended for use as a Class AB1 linear amplifier in audio or RF applications, and Class C power amplifier in CW, FM, and AM service. Axis must be vertical for operation.
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