OM2000+
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GENERAL DESCRIPTION:
The OM2000+ linear amplifier is designed for all shortwave amateur bands from 1.8-29 MHz (including WARC bands) + 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 CW / SSB on 50 MHz at 1500 W RTTY;
- Input power: 40 to 60 W for full output power;
- Input impedance: 50 Ohm VSWR <1.5: 1;
- Output amplification: 15 dB;
- Output impedance: 50 Ohm unbalanced;
- Maximum output SWR: 2: 1;
- SWR protection: Automatic switch to STBY when reflected power is 250W or higher;
- Intermodulation distortion: 32 dBc;
- Harmonic suppression: min -50 dBc (30-54 MHz better than 70dBc);
- Tube: FU-728F ceramic tetrode;
- Cooling: centrifugal fan + axial fan;
- Power supply: switchable 220, 230, 240 V - 50/60 Hz;
- Transformers: 1 toroidal transformer 3 kVA;
PROTECTION CIRCUITS:
- SWR too high;
- Anode current too high;
- Screen current too high;
- Grid current too high;
- Mistuning of power amplifier;
- Temperature too high;
- Soft start for fuse protection;
- "Switch-on blocking" with open amplifier;
INDICATIONS:
- OLED display 4 x 20 characters;
- Analog 2 systems meter for forward and reflected power;
LED INDICATORS:
- ON Status;
- STBYL: standby;
- FAULT: Warning and error indicator;
- ON AIR: amplifier in transmitting status;
FEATURES:
- Antenna switch for 3 antennas;
- Memory for faults and warnings, easy maintenance;
- Automatic anode current (BIAS) adjustment - no need for manual adjustment after changing the tube;
- Temperature-controlled 2-speed centrifugal fan (turbine) + axial fan;
- Full QSK with silent vacuum relay;
- The smallest and lightest 2000W PA on the market;
- Dimensions: 390mm x 195mm x 370mm (width x height x depth);
- Weight: 24 kg;
General description of the OM2000+ HF and 50 MHz Amplifier
The linear amplifier OM2000+ 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 OM2000+:
| 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 CW/SSB on 50 MHz 1500 W in RTTY |
| Input power: | 40 to 60 W for full output power |
| Input impedance: | 50 Ohm VSWR < 1.5 : 1 |
| Output amplification: | 15 dB |
| Output impedance: | 50 Ohm unbalanced |
| Maximum output SWR: | 2:1 |
| SWR protection: | Automatic switching to STBY when reflected power is 250W or higher |
| Intermodulation distortion: | 32 dBc |
| Suppression of harmonics: | min -50 dBc ( 30–54 MHz better than 70dBc) |
| Tube: | FU-728F ceramic tetrode |
| Cooling: | Centrifugal blower + axial blower |
| Power supply: | Switchable 220, 230 , 240 V – 50/60 Hz |
| Transformers: | 1 toroidal transformer 3 kVA |
| Protection circuits: | - SWR too high |
| - Anode current too high | |
| - Screen current too high | |
| - Grid current too high | |
| - Mistuning of power amplifier | |
| - Temperature to high | |
| - Soft start for fuse protection | |
| - “switch –on blocking “ at opened amplifier | |
| Indications: | - OLED display 4 x 20 character |
| - Analog 2 systems meter for forward and reflected power | |
| LED indicators: | - ON status |
| - STBY– standby | |
| - FAULT – warnings and faults indicator | |
| - ON AIR – amplifier in transmitting status | |
| Features: | - Antenna switch for 3 antennas |
| - Memory for faults and warning, easy maintenance | |
| - Automatic set-up anode current (BIAS ) – no need to manual adjust after changing the tube | |
| - Temperature controlled 2-speed centrifugal blower ( turbine ) + axial blower | |
| - Full QSK with silent vacuum relay | |
| - The smallest and lightest 2000W PA on the market | |
| Mechanical parameters: | 390mm x 195mm x 370mm (width x height x depth) |
| Weight: | 24 kg |
