OM4000A

6700 €

The advantages of OM4000A :

  • Automatic switching between bands
  • Automatic tuning with the band according to segments
  • Automatic switching of band pass filter
  • Automatic switching of the antenna switch
  • The possibility to use 2 different antennas within one band or segment
  • Full compatibility with
    • - 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


Specification of OM4000A :

Frequency coverage :Amateur Bands 1.8 – 29.7 MHz including WARC
Power output :4000W in SSB and CW,
3000W in RTTY, AM and FM
Input Power :Usually 60 to 90W for full Output Power
Input Impedance :50 Ohm, VSWR < 1.5 : 1
Power Gain :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 :32dB below nominal output
Suppression of harmonics :< -50 dBc
Tubes :2x FU728F Ceramic tetrode
Cooler :Centrifugal blower + Axial blower
Power supply :2 x 230V – 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
 - Input power too high
 - Output power too high
 - Plate voltage too low
 - Anode current too high
 - Screen current too high
 - Grid current too high
 - Mistuning of PA
 - Hot switching protection
 - Soft start for protecting your fuses
 - “switch-on blocking “ at opened amplifier
LED indicators :- Current at control grid (Ig1) - 2 LEDs
 - WAIT – preheating of tube (150 sec.)
 - STBY - standby
 - OPR – operation mode
 - FAULT – failure, switching off for abt. 2 sec.
 - INHIBIT – operating condition
 - ANT 1 - which ANT is in use
 - ANT 2 – which ANT is in use
 - ANT - ANT selection
Bar graph indications :- Power output – 50 LEDs
 - Reflected power – 20 LEDs
 - Ig2 current - 10 LEDs
 - Anode voltage, anode current, tuning – 30 LEDs