User's Manual

Exhibit 6 Page 4 from 35

1. GENERAL INFORMATION

1.1. Introduction

he OM Power model OM2000+ is designed for all short wave amateur bands from 1.8 to 29.7 MHz

(including WARC bands) plus 50 MHZ and all modes. It is equipped with a ceramic tetrode

FU-728F.

1.2. Specification

1.2.1. Parameters

Frequency Coverage Amateur Bands 1.8 – 29.7 MHz including WARC + 50 MHz

Power Output 1500 W in SSB/CW on HF bands, 1500 W in CW/SSB on 6m

1500 W in RTTY

Input Power Usually 70W for full Output Power

Input Impedance 50 Ohm, VSWR < 1.5 : 1

Power Gain 15 dB

Output Impedance 50 Ohm unbalanced

Maximum Output SWR 2 : 1

SWR protection Automatic switching to STBY, when reflected power

is 250W or higher

Intermodulation distortion 32dB below nominal output

Suppression of harmonics < -50 dBc

Tubes FU-728F Ceramic tetrode

Cooler Centrifugal blower + Axial blower

Power supply Switchable 220V, 230V, 240V, 50/60 Hz

Transformers One toroidal transformer 3kVA

Dimensions 15,4“ x7,7” x 14,6” (width x height x depth)

Weight 24 kg / 52 lbs

1.2.2. Protection Circuits

There are several protection circuits used in the amplifier. They are activated when one or

more of next parameters exceed defined values or some unwanted occasion occurs.

 VSWR too high

 Anode current too high

 Anode voltage error

 Screen current too high

 Screen voltage error