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OM3006

General description and the advantages of the OM3006 Amplifier

The linear amplifier OM3006 is designed for 50 MHz amateur bands from 50 till 52 MHz and all modes . It is equipped with a ceramic tetrode GU78b.


Specification of OM3006:

Frequency coverage: amateur bands 50 – 52 MHz
Power output: 3000 W in SSB and CW, RTTY, AM and FM
Driver Power: usualy 40 to 60 W for full Output Power
Input impedance: 50 Ohm VSWR < 1.5 : 1
Output amplification: 17 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: < -70 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
  - Hot switching protection
  - 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
  - screen current( Ig2 – bar graph 10 LED )
  - Anode voltage, anode current, tuning – bargraph 30 LED
LED indicators: - grid current ( Ig1 – 2 LED )
  - WAIT – preheating of tube (180 sec )
  - STBY– standby
  - OPR – operating condition
  - FAULT – failure, switching off for abt. 2 sec
Parameters: 485 x 200 x 455mm (width x height x depth)
Weight: 32 kg