| Frequency coverage: |
Amateur Bands 1.8 – 29.7 MHz including WARC |
| Power output: |
4000+ W in SSB and CW on HF bands,
3000W in RTTY and DIGI modes |
| Input Power: |
Usually 40 to 60W for full Output Power |
| Input Impedance: |
50 Ohm, VSWR < 1.5 : 1 |
| Power Gain: |
17 dB |
| Output Impedance: |
50 Ohm unbalanced |
| Maximum Output SWR: |
3:1 |
| SWR protection: |
Automatic switching to STBY, when reflected power is 350W or higher |
| Intermodulation distortion: |
-32dB below nominal output |
| Suppression of harmonics: |
< -50 dBc |
| Tubes: |
2x FU728F Ceramic tetrode |
| Cooler: |
Centrifugal blower + Axial blower |
| Response speed of AUTO tune: |
less than 0,5s within same BAND, less than 2s if out of BAND |
| Power supply: |
switchable voltages - 220/230/240V for 50Hz or 230/240/250V for 60Hz
(or other primary voltages e.g. 200V 50/60Hz for Japan) |
| Transformers: |
2 pcs of toroidal transformer 3kVA |
| Dimensions: |
485 x 200 x 455mm (width x height x depth) |
| Weight: |
46 kg |
| Protection circuits: |
- VSWR too high |
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- Anode current too high |
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- Anode voltage error |
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- Screen current too high |
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- Screen voltage error |
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- Grid current too high |
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- Grid voltage error |
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- Heating voltage error |
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- Mistuning of PA |
| |
- Temperature too high |
| |
- Soft start for protecting your fuses |
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- “switch-on blocking“ at opened amplifier |
| Indications: |
4.3" color touch screen display |
| Features: |
High level of protection |
| |
Memory for faults and warnings, easy maintenance |
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Automatic set-up anode current (BIAS) – no need to adjust manually after changing the tubes |
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Three programmable working modes of the axial blower |
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Full QSK operation |
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Many operational parameters to display |
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The smallest and lightest 4000 W Power Amplifier on the market |
