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OM-2500A
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The linear amplifier OM2500A is designed for all short wave amateur bands from 1.8 till 29 MHz (including WARC – bands ) and all modes .
It is equipped with a ceramic tetrode FU-728F.
The advantages of OM2500A:
Specification of OM2500A:
Frequency coverage: | amateur bands 1.8 – 29.7 MHz including WARC |
Power output: | 2500 W in SSB and CW 2000 W in RTTY, AM and FM |
Driver Power: | 60 to 80 W for full Output Power |
Input impedance: | 50 Ohm VSWR < 1.5 : 1 |
Output amplification: | 17 dB |
Output impedance: | 50 Ohm unbalanced |
Maximum output SWR: | 2:1 |
SWR protection: | automatic switching to STBY , when reflected power is 350W or higher |
Intermodulation distortion: | 32 dB below nominal output |
Suppression of harmonics: | < -50 dBc |
Tube: | FU-728F Ceramic tetrode |
Cooler: | Centrifugal blower + axial blower |
Power supply: | 2 x 230 V - 50 Hz one or two phases |
Transformers: | 2 pcs of toroidal transformer 2.0 kVA |
Protection circuits: | - SWR too high |
- Anode current too high | |
- Screen current too high | |
- Grid current too high | |
- Mistuning of power amplifier | |
- Soft start for protecting your fuses | |
- “switch –on blocking “ at opened amplifier | |
Bar graph indications: | - Power output – bargraph 50 LED |
- Reflected power – bargraph 20 LED | |
- Current at screen ( Ig2 – bar graph 10 LED ) | |
- Anode voltage, anode current, tuning – bargraph 30 LED | |
LED indicators: | - current at control grid ( Ig1 – 2 LED ) |
- WAIT – preheating of tube (180 sec ) | |
- STBY– standby | |
- OPR – operating condition | |
- FAULT – failure, switching off for abt. 4 sec | |
- Inhibit – operating condition | |
- ANT 1 - which ANT is use | |
- ANT 2 – which ANT is use | |
- UP – DWN - listing in menu | |
- MAN - manual operating | |
- AUTO - automatic operating | |
- TUNE - tuning | |
- ANT - ANT selection | |
Parameters: | 485 x 200 x 455mm (width x height x depth) |
Weight: | 40 kg |