Data of DRESSLER Tsunami-12K Auto Tune RF Linear Amplifier
| Frequency bands | all HF amateur bands covered continously | 1.8 MHz to 29 MHz | ||
| 1 Net-Phase 230 or 240 VAC | 3 power supply transformers | 7000 VA, 282 VA & 2.8 VA | ||
| Plate voltage | 5930 | VDC | at full output power | |
| 3 Net-Phases 3 x 400 VAC | 3 power supply transformers | 5000 VA, 282 VA & 2.8 VA | ||
| Plate voltage | 4050 | VDC | at full output power | |
| Screen voltage | 345 | V | stabilized | |
| Grid voltage | - 85 | V +/- 15 V | regulated | |
| Filament | 27 | V / 3.7 A | ||
| Input SWR | 160 12 10 |
m – 15 m m m |
< 1.2 : 1 < 1.3 : 1 < 1.45 : 1 |
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| Gain | (1.8 – 29 MHz) | ca 18 dB | ||
| Amplification | Input power | Output power | ||
| Max. Output with Tsunami 12K-AT in mode SSB: 12KW There is absolute no time limit for a carrier output until 5500 W (CW: 9000 W) |
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| Harmonic Output | 50 dB below rated output | |||
| Intermodulation distortion (IMD3) | - 44 dB @ 25% power output - 39 dB @ 50% power output - 35 dB @ 100% power output Using SDR with predistortion mode: -55 dB @ full output |
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| Tube | Svetlana GU-78b | |||
| Input network | 50 Ohm, 200 W HF Resistor, 5 pol. Chebychev Low Pass Filter | |||
| Output network | Roller inductor 15 uH / 20 A, Vacuum Caps 8Comet): 5-500pF, 8 KV & 150-1500 pF, 4 KV + fixed Caps | |||
| Computer control of all switching functions | No relay switching under power conditions, soft start inrush, 240 sec delay time for full power, turbine blower with two speeds Stabilized screen and well regulated grid supply for +ve and -ve currents as well as current limiting to protect the tube and minimize the IMD. It is impossible to override the screen and grid dissipation at any working conditions. |
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| Auto Tune | With CI-V (ICOM) interface (or similiar) from the transceiver: Complete auto tune on all HF amateur bands. Normal time for changing frequency: 1 second; Changing band: 2–6 seconds | |||
| RF-Connectors | Output: Input: APD-Monitor: |
7/16 connector SO-239 SMA connector |
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| Metering | Output, SWR, Plate current, Plate voltage, Screen & Grid current | |||
| Line Support | One phase 230 VAC / 40 A (SSB: 32 A) | |||
| Housing | High quality black eloxial aluminia | |||
| Dimension | 618w x 187h x 565d mm³ | |||
| Weight | 65 kg | |||
| Price | T12K-AT 230 or 240 VACT12K-AT 3 x 400 VAC Spare Tube GU-78b CI-V cable 3 m length Remote Control Unit with optical cable 30m SSB Tuning Aid |
11980 €12980 € 890 €3180 € 60 €145 € |
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| Shipping costs | Outside Europe (Air freight)Europe Germany |
945 €390 €230 € | ||
| Guarantee | Four years on amplifier, one year on tube (via tube manufacturer) | |||
