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 |
– 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″ colour 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 with silent relay | |
Many operational parameters to display | |
The smallest and lightest 4000 W Power Amplifier on the market |