Two of these tubes in Class AB1 service will deliver up to 10 kilowatts maximum-signal plate output power at 6000 plate volts without drawing grid current.
The 3CX3000A1 / 8238 has coaxial base terminals.
| GENERAL DESCRIPTION |
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The 3CX3000A1 / 8238 is a low-mu, all ceramic-and-metal, forced-air cooled, external anode power triode with a maximum plate dissipation rating of 4000 watts. This tube is intended for use as an audio amplifier or modulator. Two of these tubes in Class AB1 service will deliver up to 10 kilowatts maximum-signal plate output power at 6000 plate volts without drawing grid current. The 3CX3000A1 / 8238 has coaxial base terminals. |
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| TECHNICAL SPECIFICATIONS | |
| ELECTRICAL | |
| Filament Voltage Current @ 7.5 V |
Thoriated Tungsten 7.5 ± 0.37 V 51.5 A |
| Amplification Factor (average) | 5 |
| MECHANICAL | |
| Maximum Overall Dimensions Length Diameter |
9.000 In; 22.76 cm 4.156 In; 10.56 cm |
| Operating Position | Vertical, base up or down |
| Net Weight (approx.) | 6.2 lb; 2.8 kg |
| Cooling | Forced Air |
| Maximum Operating Temperature Anode Core & Ceramic/Metal Seals |
250°C |
| Specifications may change without notice | |
| THIS TUBE IS USED IN THE FOLLOWING SHORTWAVE BROADCAST TRANSMITTERS | ||
| Manufacturer | Transmitter specifications | Power in kW |
| Gates | HF-20 / HF-20 B | 20 |
| THIS TUBE IS AVAILABLE FROM | ||
| Manufacturer | Rebuilder | Distributor |
| Eimac | Econco | Richardson Electronics |
| Penta Laboratories | Kennetron | |
| 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 |