EM 500 DDS

The 550W fully digital FM transmitter EM 500 DDS has been created by the OMB center of development for DDS technology. Thanks to its powerful core, crystal clear sound, accurate filtering procedures, audio processing and usage this device brings your experience to the next level.  This 550W DDS FM transmitter comes with a 4.3” touch screen display, allowing an easy configuration and simple access to functions setting, operating parameters and alarms detections. It also includes a wide mode AES/EBU (192kHz broadband sampling), audio backup and many more advanced features.


Main Advantages

– It can be used as an independent exciter, with power output from 0 to 100%.
– Suitable for single frequency applications (SFN), audio limiter (ITU).
– Audio rescuer integrated, with programmable established time and all inputs priority (analog, digital and MPX).
– Fold back for correct protection against VSWR (Voltage Standing Wave Ratio) <1.35 at regular performance and >2.0 at full output power.
– Typical AC efficiency >73% and typical RF efficiency of 84%.
– Speed control of cooling fans according to temperature of power modules so as to optimize consumption and to decrease acoustic contamination.
– Advanced protection against load mismatches without transmission cuts and fast protection in case of excessive reflected power.
– Programmable power reduction.
– Automatic voltage control for efficiency optimization.
– Dual power supply.
– Solid state and compact design

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    OMB Headquarter

    Polígono Industrial Centrovía – Calle Paraguay, 6
    50198 La Muela – Zaragoza

    Tlf:(+34) 976 14 17 17

    europa at omb.com

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    3100 NW 72nd. Ave. Unit 112, MIAMI, Florida 33122 USA

    Tlf: +1 (305) 477-0973 +1 (305) 477-0974
    Fax: +1 (305) 477-0611

    usa at omb.com


    OMB Broadcast develops, manufactures and commercializes Television and Radio FM Transmitters. It was created in 1965 with the aim of satisfying the increasing demand on high quality broadcasting equipments, always with the implementation of the latest technologies.

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