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Description
The OM Power model OM4001A is an automatic power amplifier, designed for use on all short wave amateur bands from 1.8 to 29.7 MHz (including WARC bands) and all modes. It is equipped with a two pieces of ceramic tetrode FU728F.
The advantages of OM4001A:
-
Full compatibility with TRXs-CAT
- – ICOM
- – YAESU
- – ELECRAFT
- – Ten-Tec Orion
- – Kenwood
- – Icom transceive protocol using by microHAM devices –CI-V output (MK II, MK2R, MK2R+, etc)
- – Flex Radio Series 6xxx
- – Apache Labs Anan
- RF sensitive Band and Frequency switching, for use with radios which do not have CAT
- Automatic switching between bands
- Automatic tuning with the band according to segments
- Automatic switching of band pass filter – BAND DATA output compatible with YAESU radios (BCD code)
- Automatic switching of the antenna switches – maximum number of antennas is 10, controlled by BCD output code
- Remote control via PC Windows Application
Specification of OM4001A:
| Frequency coverage: | Amateur bands (1.8 – 29.7) MHz including WARC |
| Power output: | 4000+ W in SSB and CW on HF bands, 3000 W in RTTY and DIGI modes |
| Input Power: | Usually 40 to 60 W 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 350 W or higher |
| Intermodulation distortion: | -32 dB 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 0.5 s within same BAND, less than 2 s if out of BAND |
| Power supply: | switchable voltages – 220/230/240 V for 50 Hz or 230/240/250 V for 60 Hz (or other primary voltages e.g. 200 V 50/60 Hz for Japan) |
| Transformers: | 2 pcs. of toroidal transformer 3 kVA |
| Dimensions: | 485 mm x 200 mm x 455 mm (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 |
There are several individual purchase options available:
- ACOM 06AT | Automatic Antenna Tuner and Switch;
- ACOM 04AT | Remote Automatic Antenna Tuner and Switch;
- ACOM eBox | | Ethernet Remote Control Device.
