Data of DRESSLER Tsunami-25K-AT RF Linear Amplifier
| Frequency bands | all HF amateur bands | 1.8 MHz to 29.7 MHz | ||
| Power supply | 3 power supply transformers | 12500 VA, 1800 VA & 1.5 VA | ||
| Plate voltage | 8500 | V | at full output power | |
| Screen voltage | 1300 | V | stabilized | |
| Grid voltage | - 340 | V +/- 25 V | regulated | |
| Filament | 7.5 | V / 75 A | ||
| Input SWR | 160 30 20 17 12 10 |
m – 40 m m m m – 15 m m m |
< 1.2 : 1 < 1.3 : 1 < 1.5 : 1 < 2.0 : 1* < 2.5 : 1* < 3.5 : 1* @ 28.5 MHz |
|
| * with internal Tuner from TX or with additional Automatic Tuner SWR 17 m - 10 m: 1 : 1 | ||||
| Gain | (1.8 – 29.7 MHz) | 21.4 dB | ||
| Amplification | Input power | Output power | ||
| Measured with a Bird Power Meter, 471200. | 10 W 20 W 40 W 60 W 80 W 100 W 120 W 140 W 160 W 180 W 200 W |
1.25 KW 2.5 KW 5.0 KW 7.5 KW 10.0 KW 12.5 KW 15.0 KW 17.5 KW 20.0 KW 22.5 KW 25.0 KW |
||
| Input SSB Signal | 10% of full 1.5 KHz Modulation on / off Ratio 1:9, Interruptions: 30 Hz |
|||
| Output limited by Software | RTTY / CW / SSB: 8 KW / 12 KW / 28 KW | |||
| Harmonic Output | 50 dB below rated output | |||
| IMD | 33 dB or better | |||
| Tube | Eimac 4CX10000D | |||
| Input network | 1:9 Transformation, 450 Ohm, 250 W HF Resistor, Tube Input Reactance Compensation & Neutralization for each Band | |||
| Output network | Roller inductor 22 uH, Variable Caps: 250 pF / 9 KV + 330 pF fixed + 1000 pF / 3.5 KV + 1330 pF fixed | |||
| Computer control | Plate current (every 5 msec), SWR, all switching functions, no relais switching under power conditions, soft start inrush, 10 sec delay time for full power, 2 speed turbine blower Well regulated screen and 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. |
|||
| 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: 2–4 seconds | |||
| Metering | Output, SWR, Plate current, Plate voltage, Screen & Grid current / voltage | |||
| Line Support | 3 PHS 400 V / 20 A | |||
| Housing | High quality black eloxial aluminia | |||
| Dimension | 489w x 556h x 548d mm³ | |||
| Weight | 118 kg | |||
| Price | Auto Tune by CI-V (ICOM) InterfaceRemote Control Unit with optical cable 30mSSB Tuning Aid | 27880 €3180 €120 € | ||
