OM-Power 4000A Automatic 4KW+ HF Linear Amplifier 2 x fu728
General description and the advantages of the OM4000A amplifier. The OM Power model OM4000A is an automatic power amplifier, designed for use on all short wave amateur bands from 1.8 to 29.7 MHz (including WARC bands) and all modes. It is equipped with a two pieces of ceramic tetrode FU728F. Automatic tuning with the band according to segments. Automatic switching of band pass filter.
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: 32dB below nominal output. Tubes: 2x FU728F Ceramic tetrode. Cooler: Centrifugal blower + Axial blower. Power supply: 2 x 230V 50 Hz one or two phases. Transformers: 2 pcs of toroidal transformer 3kVA.
Dimensions: 485 x 200 x 455mm (width x height x depth). Protection circuits: - VSWR too high. Soft start for protecting your fuses.
Switch-on blocking at opened amplifier. LED indicators: - Current at control grid (Ig1) - 2 LEDs.
WAIT preheating of tube 150 sec. FAULT failure, switching off for abt. ANT 1 - which ANT is in use. ANT 2 which ANT is in use. Bar graph indications: - Power output 50 LEDs.Ig2 current - 10 LEDs. Anode voltage, anode current, tuning 30 LEDs. The item "OM-Power 4000A Automatic 4KW+ HF Linear Amplifier 2 x fu728" is in sale since Monday, June 4, 2018. This item is in the category "Mobile Phones & Communication\Radio Communication Equipment\Ham/Amateur Radio\Ham Radio Amplifiers".
- Frequency Band(s): HF