OM2000A+
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GENERAL DESCRIPTION:
The OM2000A+ linear amplifier is designed for all shortwave amateur bands from 1.8-29 MHz (including WARC - band) + 50 MHz and all modes. It is equipped with a FU-728F ceramic tetrode.
SPECIFICATIONS:
- Frequency coverage: amateur bands 1.8-29.7 MHz including WARC + 50 MHz;
- Output power: 2000 + W in SSB / CW on HF bands, 1500 W in RTTY 1500 W CW / SSB on 50 MHz;
- Drive power: 40 to 60 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: 3:1;
- SWR protection: Automatic switching to STBY when reflected power is 350W or higher;
- Intermodulation distortion: better than -32 dBc;
- Harmonic suppression: min -50 dBc (30-54 MHz better than -70dBc);
- AUTO tuning response speed: less than 0.5s within the same band, less than 3 seconds if out of band;
- Supported TRX-CAT:
- ICOM
- ELECRAFT
- KENWOOD
- TEN-TEC ORION
- YEASU
- Icom transceiver protocol using microHAM devices - CI-V OUTPUT;
- Flex Radio and Anan (Apache Labs);
- Tube: FU-728F ceramic tetrode;
- Cooling: centrifugal fan + axial fan;
- Power supply: switchable 220,230,240V - 50/60 Hz or other primary voltages (e.g. 200V 50/60Hz for Japan);
- Transformers: 1 toroidal transformer 3.0 kVA;
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 power amplifier
- High temperature
- Soft start for fuse protection
- "Switch -on blocking" when amplifier is open
INDICATIONS:
- 4.3" color touch screen display
FEATURES:
- Automatic external antenna switching
- Automatic switching between bands
- Automatic tuning within the band according to segments
- Automatic switching of band pass filter
- Memory for faults and warnings, easy maintenance
- Automatic anode current (BIAS) setup - no need for manual adjustment after changing the tube
- Three programmable operating modes for centrifugal fan (turbine) + axial fan
- T/R system: QSK with built-in vacuum RF antenna relay
- Easy transport due to detachable HV transformer
- Remote control - connector for LAN connection
- The Power Amplifier is HF sensitive (automatic frequency reading even if no CAT)
- The smallest and lightest 2000 W automatic PA on the market
- Dimensions: 390mm x 195mm x 370mm (width x height x depth)
- Weight: 24 kg
General description of the OM2000A+ automatic amplifier
The automatic linear amplifier OM2000A+ is designed for all short wave amateur bands from 1.8 to 29 MHz (including WARC – bands) + 50 MHz and all modes. It is equipped with a ceramic tetrode FU-728F.
Specification of OM2000A+:
| Frequency coverage: | Amateur bands 1.8 – 29.7 MHz including WARC + 50 MHz |
| Power output: | 2000+ W in SSB/CW on HF bands, 1500 W in RTTY 1500 W CW/SSB on 50 MHz |
| Drive power: | 40 to 60 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: | 3:1 |
| SWR protection: | Automatic switching to STBY when reflected power is 350W or higher |
| Intermodulation distortion: | better then -32 dBc |
| Suppression of harmonics: | min -50 dBc (30–54 MHz better than -70dBc) |
| Response speed of AUTO tune: | less than 0,5s within same BAND ,less than 3s if out of BAND |
| Supported TRXs-CAT: | ICOM, ELECRAFT, KENWOOD, TEN-TEC ORION, YEASU, Icom transceive protocol using by microHAM devices – CI-V OUPUT, Flex Radios and Anan ( Apache Labs ) |
| Tube: | FU-728F ceramic tetrode |
| Cooling: | Centrifugal blower + axial blower |
| Power supply: | Switchable 220,230,240V – 50/60 Hz or other primary voltages (for example 200V 50/60Hz for Japan) |
| Transformers: | 1 toroidal transformer 3.0 kVA |
| 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 power amplifier | |
| - Temperature to high | |
| - Soft start for fuse protection | |
| - “switch –on blocking“ at opened amplifier | |
| Indications: | 4.3" colour touch screen display |
| Features: | - Automatic external Antenna switching |
| - Automatic switching between bands | |
| - Automatic tuning within the band according to segments | |
| - Automatic switching of Band Pass Filter | |
| - Memory for faults and warning, easy maintenance | |
| - Automatic set-up anode current (BIAS) – no need to manual adjust after changing the tube | |
| - Three programmable working modes of centrifugal blower ( turbine ) + axial blower | |
| - T/R System: QSK operation with built-in vacuum RF antenna relay | |
| - Easy transport due to detachable HV transformer | |
| - Remote control - connector for LAN connection | |
| - The Power Amplifier is HF sensitive (automatic frequency reading even if no CAT) | |
| - The smallest and lightest 2000 W automatic PA on the market | |
| Mechanical parameters: | 390mm x 195mm x 370mm (width x height x depth) |
| Weight: | 24 kg |
LAN Connection
Power amplifier is interfaced to LAN via XPORT made by Lantronix (type XP1001000-05R). More info can be found at www.lantronix.com
Default factory settings of XPORT are:
- IP address: 192.168.1.211
- Mask: 255.255.255.0
- Gateway: 192.168.1.1
These are strictly default settings. You can modify any of these by going to XPORT web GUI via your web browser. We do not recommend changing any other parameters of the XPORT interface as loss of communication can be caused by doing so. There is no default user name or password. It is highly recommended to secure web interface with username and password.
For remote control and monitoring over LAN special software is needed. It is available free of charge; it can be downloaded from the following address: https://www.om-power.com/download/HF_PA_Manager_v3.18-setup.exe
