OM4001HF 4kW HF Amplifier
Available on backorder
The OM4001HF linear amplifier is designed for use on all short wave amateur bands from 1.8 to 29.7 MHz (including WARC bands) and all modes. It is equipped with a two ceramic tetrodes FU728FÂ and delivers up to 4000+ watt on all HF bands.
Built on order, delivery time 2-3 weeks.
6,290.00 €
Available on backorder
OM4001A Specifications
| 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 70W 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 3s if out of BAND |
| Power supply: | Switchable 2 x 220/230/240V – 50 Hz one or two phases |
| 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 |
| Â | – Anode current too high |
| Â | – Anode voltage error |
| Â | – Screen current too high |
| Â | – Screen voltage error |
| Â | – Grid current too high |
| Â | – Grid voltage error |
| Â | – Heating voltage error |
| Â | – Mistuning of PA |
| Â | – Temperature too high |
| Â | – Soft start for protecting your fuses |
|  | – “switch-on blocking “ at opened amplifier |
| Indications: | 4.3″ colour touch screen display |
| Features: | High level of protection |
| Â | Memory for faults and warnings, easy maintenance |
|  | Automatic set-up anode current (BIAS) – no need to adjust manually after changing the tubes |
| Â | Three programmable working modes of the axial blower |
| Â | Full QSK with silent relay |
| Â | Many operational parameters to display |
| Â | The smallest and lightest 4000 W Power Amplifier on the market |
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