| GENERAL DESCRIPTION |
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The 5894 / QQE06/40 / RS 1009 is a twin-tetrode with internal neutralization for RF-amplifier, oscillators, frequency multipliers and modulators. | |
| TECHNICAL SPECIFICATIONS | |||
| ELECTRICAL | |||
| Heater for Unipotential Cathode: Heater arrangement Voltage Current |
Series 12.6 ± 10% 0.9 |
Parallel 6.3 ± 10% 1.8 |
ac or dc volts amp |
| Mu-Factor, Grid No.2 to Grid No.1 (Each Unit) | 8.2 | ||
| Direct Interelectrode Capacitances (Each Unit): Grid No.1 to plate Grid No.1 to cathode & grid No.3 & internal shield, grid No.2, and heater Plate to cathode & grid No.3 & internal shield, grid No.2, and heater |
0.8 max. μμf 11 μμf 3.4 μμf |
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| MECHANICAL | |||
| Mounting Position: Vertical Horizontal |
Base up or down Plate terminals in horizontal plane |
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| Maximum Overall Length | 4-5/16" | ||
| Seated Length | 3-11/16" ± 3/16" | ||
| Maximum Diameter | 1-15/16" | ||
| Bulb | T-14 | ||
| Weight (Approx.) | 2.3 oz | ||
| Base | Small-Wafer Septar 7-Pin (JETEC No.E7-21) | ||
| Specifications may change without notice | |||
| THIS TUBE IS USED IN THE FOLLOWING SHORTWAVE BROADCAST TRANSMITTERS | ||
| Manufacturer | Transmitter specifications | Power in kW |
| AME | ENE 1470 | 30 |
| Philips | SOZ 362 | 5 |
| 8FZ 508 | 5 | |
| SOZ 363 | 10 | |
| 8FZ 701 | 10 | |
| 8FZ 509 | 10 | |
| 8FZ 510 | 25 | |
| 8FZ 513 | 25 | |
| 8FZ 514 | 50 | |
| SOZ 294 | 50 | |
| 8FZ 503 / 8FZ 512 | 120 | |
| 8FZ 515 | 120 | |
| THIS TUBE IS AVAILABLE FROM | ||
| Manufacturer | Rebuilder | Distributor |
| Richardson Electronics | ||
| Vacuum Tubes, Inc. | ||
| 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 |