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General description of the OM4001HF amplifier

The linear amplifier OM4001HF is a manual tune designed for all short wave amateur bands from 1.8 till 29 MHz (including WARC) and all modes. It is equipped with a two pieces of ceramic tetrode FU728F.

Specification of OM4001HF:

Frequency coverage: Amateur Bands 1.8 – 29.7 MHz including WARC

Power output: 4000W in SSB and CW on HF bands,

3000W in RTTY, AM and FM

Input Power: Usually 40 to 70W 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 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: switchable voltages - 220/230/240V for 50Hz or 230/240/250V for 60Hz

(or other primary voltages e.g. 200V 50/60Hz for Japan)

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

  - 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

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Om Power OM4001HF

  • Brand: OM-Power
  • Product Code: Om Power OM4001HF
  • Availability: 2-4 Days
  • €5,445.00

  • Ex Tax: €4,500.00

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