OM POWER OM4001A - 1 General Information; Introduction; Specification; Parameters

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GENERAL INFORMATION
1.1. Introduction
he OM Power model OM4001A is designed for all short wave amateur bands from 1.8 to
29.7 MHz (including WARC bands) and all modes. It is equipped with a two ceramic
tetrodes FU-728F.
1.2. Specification
1.2.1. Parameters
Frequency Coverage Amateur Bands 1.8 – 29.7 MHz including WARC
Power Output 4000+ W in SSB/CW on HF bands
3000 W in RTTY and DIGI modes
Input Power Usually 40 to 60W 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 2 x FU-728F Ceramic tetrode
Cooler Centrifugal blower + Axial blower
Power supply switchable 2 x 220 ,230V, 240 V – 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
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