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OM-Power OM3006 50MHz 6m 3kw Linear AmplifierOM-Power OM2500A 2.5kw HF Auto-Tune Linear Amplifier

OM-Power OM4000HF 4-5kw HF Linear Amplifier
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OM-Power OM4000HF 4-5kw HF Linear Amplifier

Price: £4.795.95 (including 20 % tax)

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altOM3500 4KW HF Linear Amplifier

The linear amplifier OM4000 HF 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 tube

If purchasing outside of the EU (or with a valid EU VAT Number) UK VAT can be excluded.

Specification of OM3500 HF:

Frequency coverage: Amateur bands 1.8 – 29.7 MHz including WARC
Power output: 4000 W in SSB and CW
3500 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: 18 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: GU78b 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 2.5 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
Parameters: 485 x 200 x 455mm (width x height x depth)
Weight: 43 kg

 

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