The 4CV250,000B is also useful as a plate and screen modulated class C RF amplifier.
| TDP TUBE 4CV250,000B |
| GENERAL DESCRIPTION |
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The 4CV250,000B is recommended for use as a Class C RF amplifier or oscillator, a Class AB RF linear amplifier or a Class AB push-pull AF amplifier or modulator. The 4CV250,000B is also useful as a plate and screen modulated class C RF amplifier. |
| TECHNICAL SPECIFICATIONS | |
| Plate Dissipation (Max.) | 250,000 watts |
| Screen Dissipation (Max.) | 3,500 watts |
| Grid Dissipation (Max.) | 1,500 watts |
| Frequency for Max. Ratings (CW) | 30 MHz |
| Cooling | Vapor and Water |
| Filament Voltage Current |
Thoriated tungsten 12.0 volts 660 amperes |
| Capacitances (Grounded Cath. Connection) Input Output Feed-through |
745 pF 124 pF 6.0 pF |
| Capacitances (Grounded Grid Connection) Input Output Feed-through |
324 pF 128 pF 1.2 pF |
| Amplification Factor (g1-g2) | 4.5 |
| Base | Special |
| Filament Connectors | SK-1711 |
| Grid Connectors | SK-1712 |
| Recommended Boiler | BR-620 |
| Maximum Seal & Envelope Temperature | 200°C |
| Maximum Length (less Boiler) | 28.02 in; 17.17 cm |
| Maximum Diameter (less Boiler) | 15.06 in; 38.26 cm |
| Weight (approximate) (less Boiler) | 180 lb; 82 kg |
| Operating Position | Vertical, Anode Up (base down) |
| Specifications may change without notice | |
| THIS TUBE IS USED IN THE FOLLOWING SHORTWAVE BROADCAST TRANSMITTERS | ||
| Manufacturer | Transmitter specifications | Power in kW |
| Continental Electronics | 419 F | 250 |
| THIS TUBE IS AVAILABLE FROM | ||
| Manufacturer | Rebuilder | Distributor |
| Eimac | California Tube Laboratory | Richardson Electronics |
| Freeland Products | ||
| PRICE LEVEL (US$) | |||||
| 1 | 2 | 3 | 4 | 5 | 6 |
| 0 - 10 | 10 - 100 | 100 - 1000 | 1000 - 10,000 | 10,000 - 50,000 | 50,000 - 100,000 |