OM2500A

OM2500A

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 GU84b.

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Descrição do produto

General description and the advantages of the OM2500A Amplifier

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 GU84b.

The advantages of OM2500A:

  • 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)

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: GU84b 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

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