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OM-4001HF
New product
This linear amplifier s a manual tune designed for all short wave amateur bands from 1.8 till 29 MHz (including WARC) and all modes.
It is equipped with a two pieces of ceramic tetrode FU728F.
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Specification of OM4001HF:
Frequency coverage: | Amateur Bands 1.8 – 29.7 MHz including WARC |
Power output: | 4000W in SSB and CW on HF bands, 3000W in RTTY, AM and FM |
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 |
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 |
- Anode current too high | |
- Anode voltage error | |
- Screen current too high | |
- Screen voltage error | |
- Grid current too high | |
- Grid voltage error | |
- Heating voltage error | |
- Mistuning of PA | |
- Temperature too high | |
- Soft start for protecting your fuses | |
- “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 | |
Automatic set-up anode current (BIAS) – no need to adjust manually after changing the tubes | |
Three programmable working modes of the axial blower | |
Full QSK operation | |
Many operational parameters to display | |
The smallest and lightest 4000 W Power Amplifier on the market |
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