HAMRADIO friends !

General description of the OM1500 Amplifier

The linear amplifier OM1500 is designed for all short wave amateur bands from 1.8 to 29 MHz (including WARC – bands) + 50 MHz and all modes. It is equipped with a ceramic tetrode GS23B.

Specification of OM1500:

Frequency coverage: Amateur bands 1.8 – 29.7 MHz including WARC + 50 MHz
Power output: 1500+ W in SSB/CW on HF bands, 1000 W CW/SSB on 50 MHz, 1000+ W in RTTY
Driver Power: 40 to 60 W for full Output Power
Input impedance: 50 Ohm VSWR < 1.5 : 1
Output amplification: 14 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: 32 dB below nominal output
Suppression of harmonics: < -50 dBc
Tube: GS23B Ceramic tetrode
Cooling: Centrifugal blower
Power supply: Switchable 210, 220, 230 V – 50 Hz
Transformers: 1 toroidal transformer 2.3 kVA
Protection circuits: - SWR too high
- Anode current too high
- Screen current too high
- Grid current too high
- Mistuning of power amplifier
- Temperature to high
- Soft start for protecting your fuses
- “switch –on blocking “ at opened amplifier
Indications: - OLED display 4 x 20 character
- Analog 2 systems meter for forward and reflected power
LED indicators: - ON status
- STBY– standby
- FAULT – failure, switching off for abt. 4 sec
- ON AIR – amplifier in transmitting status
- TUNE leds – help tune-up amplifier
Features: - Antenna switch for 3 antennas
- Memory for faults and warning, easy maintenance
- Automatic set-up anode current (BIAS ) – no need to adjust after changing the tube
- Automatic set-up of blower speed according to temperature
- Full QSK with silent relay
- The smallest and lightest 1500W PA on the market
Mechanical parameters: 390mm x 195mm x 370mm (width x height x depth)
Weight: 22 kg

The answer of OM Power to the voice of the radio amateur community is here! We are proud to introduce our new compact power amplifier equipped with one tube of approved Russian quality used for military purposes. The amplifier despite its compact measures gives over 1500 W output power and as a bonus 50 MHz band is built-in for the “MAGIC BAND” lovers.

• Compact measures 390 mm x 195 mm x 370 mm (width x height x depth) – this makes it the smallest available amplifier on the market in terms of size vs. output power
• Small weight – only 22 kg
• Output power 1500 W on HF and 1000 W on 50MHz
• Includes all HF bands from 1.8 MHz to 29.7 MHz inc. WARC and 50 MHz
• Silent function of the blower on RX, continuous regulation of revolution according to the temperature of the air blown out from the tube
• Equipped with one GS23B tube
• The price of the tube is approximately on the level of GU74B for 1.5 kW output power one tube is sufficient, no need of pairing when replacement is necessary
• FULL QSK, vacuum antenna relay is used
• 3 antenna outlets – controlled through the front panel
• Wide band input circuit from 1.8 MHz to 52 MHz entering SWR under 1:1.4, no need to use antenna tuner
• Easy installation of transformer for decreasing weight when transporting PA to expeditions
• Protection of PA against all non standard events
• Large display with information about the state of the PA – intuitive control
• Memory of fault states – easy diagnosis of potential problems
• Quick and easy tuning of PA thanks to TUNE function and analogue capacity meter
• Easy replacement of tube – adjustment of idle power electronically
• EBS for decreasing heat load of the tube with turn-off option

The OM1500 will be displayed for the first time at HAMRADIO2012 in Friedrichshafen between June 22 and 24, 2012. . We are planning to launch the sale of the + product in fall 2012. You can place your advanced order now and take advantage of a special price. Visit our stand A1-500 and let yourself surprise by the wide range of OM Power products.

73 Tibor OM3RM & Jozef OM3GI
OM Power

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