Safety Instructions

4
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 1500+ W in SSB/CW on HF bands
1500 W in RTTY and DIGI modes
Input Power Usually 50 to 70W for full Output Power
Input Impedance 50 Ohm, VSWR < 1.5 : 1
Power Gain 14,6 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 -31dB 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 230 ,240V, 250 V – 60 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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