ECRESO FM 3kW FM Transmitter

ECRESO FM 3kW FM Transmitter

90.187,00 DKK 94.933,00 DKK

Modular FM Transmitter System

Model/Varenr.: WC-TF01072

Ecreso FM 3KW

Adds greater redundancy to compact transmitter range

The compact Ecreso FM transmitter range includes a direct to channel digital modulator into its 3U chassis and offers a wide range of on-board features in addition to its core structure of digital modulator, 6th generation MOSFET and up to 76% efficiency. These include a dynamic RDS encoder, stereo encoder, 5-band sound processor, MPX over AES, and GPIO support as well as Single Frequency Networking.  With the launch of the Ecreso FM 3kW Transmitter, the power range of the compact system is extended to now reach from 100W up to 3kW.

However, the new Ecreso 3kW FM does not only add additional power but also built-in redundancy on the system’s power supplies, power amplifiers and fans as well as hot-swappable power supplies.


Audemat ScriptEasy Powerful Performance

  • Built-in active redundancy
  • Digital modulator ”Direct to Channel”
  • 5 Band Sound Processor
  • MPX over AES compatibility


Audemat ScriptEasy Powerful Control

  • TCP/IP, SNMP management and email notifications
  • Advanced Measurement Interface
  • 24h graphical history log
  • Expert Maintenance Reporting (EMR)


Audemat ScriptEasy Powerful Savings

  • Up to 76% efficiency + SmartFM
  • Hot swappable power supplies
  • Built-in functionality
  • Increased life span


highly reliable


  • Up to 3 power supplies with load sharing
  • Active redundancy RF amplification
  • Passive coupler with maximum robustness
  • Oversized coupling loads for unlimited operation on fault
  • Intelligent design, maximum reliability and redundancy

    * Figures given here may vary depending on the transmitter power level and version


Digital Exciter


  • Digital FM modulator "direct to channel"
  • Highest signal quality
  • Perfect audio fidelity
  • Several built-in broadcast tools
  • 5 band sound processor
  • Control of all signal parameters


advanced control


  • Advanced Measurement Interface (AMI)
  • Expert Maintenance Reporting (EMR)
  • Intuitive Web Interface
  • Full SNMP Management


up to 70% efficiency


  • 6th MOSFET generation and new planar design
  • Reduced consumption and operational costs
  • Reduced heat and cooling costs
  • Hot swappable power supplies
  • Reduced maintenance costs


highly reliable


The Ecreso FM Transmitter range also features an integrated multi-band sound processor! This fully digital sound processor offers the highest signal quality and outstanding reliability as no additional hardware is required*.

You can choose from a wide-band or a multi-band version to achieve the level of  processing required at your site and the processor is supplied with a full set of presets for many different formats and requirements. 


  • Hosted in direct to frequency Digital Modulator
  • Highest quality processing from audio input to RF output
  • Powerful DSP-based processing
  • Complete 5-band architecture
  • Factory presets for all formats
  • Easy to fine tune through intuitive GUI
  • Real-time meters at each stage
  • No additional hardware:
    maximum reliability, no maintenance


Smart FM 

Artificial intelligence for radio

SmartFM is a worldwide patented technology for FM transmitters which revolutionizes FM radio broadcasting and brings massive benefits to broadcasters, radios, and their audience of listeners.


for the most sensitive program content

Lowers energy costs by 10 to 40%
thanks to electricity savings and reduced cooling 

for a cleaner, more sustainable environment


Advanced Communication Pack

Advanced Communication Pack

  • Intuitive and secured Web Interface (TCP/IP)
  • Advanced Measurement Interface
  • Full SNMP Management
  • Audio Backup on µSD card


Audio processing 5 band

Multiband Sound Processor

  • DSP based 5-band or wide-band processing
  • Presets for all applications and formats
  • Intuitive GUI to fine tune your sonic signature
  • Low distortion Final Limiter & MPX Power Limiter (ITU 412)


Dynamic RDS Encoder

Dynamic RDS Encoder

  • Supports PI, PS, TP, TA, MS, PTY, PTYN, DI, CT, AF, RT
  • Dynamic PS Scrolling
  • Pure and stable signal thanks to Digital Modulator
  • Delivers Audemat’s expertise in RDS


Single Frequency Network

Single Frequency Network

  • 10 MHz input for RF carrier synchronization 
  • Adjustable program delay (on audio / MPX inputs)

GPIO Boards

GPIO Boards

  • Digital GPIO Board : main alarm monitoring and control (RF off/on, Standby, Presets...)
  • OR Analog GPIO Board : with analog output voltages (forward power, temperature...)



  • Automatic change of preset
  • RF Power scheduling and consumption saving
  • Schedule any parameter of your ECRESO FM


Internal Surge Protector

Internal Surge Protector

  • Powerful protection against lightning
  • Visible status LED
  • Easy to replace


Email notifications

Email Notifications

  • Alarm sending by SMTP
  • Easy configuration of each notification
  • Same notifications can be sent by SNMP


MPX over AES

MPX over AES

  • Improved MPX signal quality
  • No hardware change
  • Compatible with MPX over IP APT codecs


Digital Stereo Encoder

Digital Stereo Encoder

  • High speed DSP circuitry
  • Subcarrier perfect synchronization
  • Amazing signal quality


WorldCast Systems offers a standard warranty of 3 years on all our FM transmitters and up to TEN YEARS' Warranty on our range of compact FM transmitters and new ECRESO FM 5kW/10kW for a small additional charge.


No other FM Transmitter Manufacturer even comes close to that commitment or confidence! We can offer the 10 Year Warranty with confidence thanks to:

  • Our exceptional design quality
  • The outstanding efficiency of our transmitters
  • Advanced diagnostics capabilities


EMR is a proactive service available on ECRESO FM Transmitters. It sends the user regular reports on the status of key parameters such as temperatures, currents and voltages, plus information on the performance and lifespan of components such as the fan and power supply of the transmitter.


With detailed logging and trend analysis, Expert Maintenance Reporting can identify slow-burning problems and issue warnings well in advance to allow for corrective action to be taken.  A map-based display of current statuses and detailed, user-friendly reports and graphs can be accessed around the clock in the EMR user page.


The WorldCast Manager  simplifies the management of all SNMP-enabled devices in a network, providing real-time status, historical data and visualization of multiple devices from a single screen. The intuitive and simple-to-use interface shows all devices located at your site(s) displaying product information, alerting you to any alarms and providing one-click access to the unit’s web-based control interface.


The WorldCast Manager is compatible with all WorldCast Systems’ equipment as well as SNMP devices from ANY manufacturer.


Frequency range 87.5 to 108 MHz by 10 kHz steps
Frequency stability < 10-6 per year
HF output  7/8 Type,  50 Ω
Power range 0.3-3.3 kW
Power setting 0-3.5kW
Power factor > 0.95
VSWR < 1.35, optimal performance: < 1.1 , protection : >1.5
Spurious and harmonic suppression > 82 dBc
Efficiency up to 76%
Voltage 3 phase wye + neutral, 340-457 VAC or Single phase 184 VAC to 264 VAC, 47-63 Hz
Analog input (LINE1) 2 XLR connectors, balanced, >10 kΩ (600 Ω jumpers selectable), Software adjustable level (-18/+18 dBu range)
AES Input (LINE2)  1 XLR connector, balanced, >110 Ω, software adjustable level (-20 to 0dBFS range), AES 16,24,32 bits, up to 192 kHz
2 Composite (MPX/SCA/RDS) inputs 2 BNC type, unbalanced, >5 kΩ, Software adjustable level (-18/+18 dBu range)
Composite operation
Bandwidth > 40 Hz to 53 kHz @ 0.1 dB,  > 20 Hz to 60 kHz @ 0.2 dB, > 60 kHz to 80 kHz @ 0.4 dB
Intermodulation distortion < 0.02%
FM S/N ratio > 80 dB RMS @ 75 kHz deviation
AM noise >55 dB, weighted/unweighted, sync/async,  RMS/CCIR (20-20 000 Hz)
Stereo operation
Bandwidth > 40 Hz to 53 kHz @ 0.1 dB,  > 20 Hz to 60 kHz @ 0.2 dB, > 60 kHz to 80 kHz @ 0.4 dB
38 kHz discontinuance > 50 dB
Stereophonic crosstalk > 50 dB
Mono operation
Bandwidth > 40 Hz to 15 kHz @ 0.1 dB
Out of band rejection > 40 dB @ 19 kHz
Preemphasis 0 µs, 50 µs or 75 µs
Environmental / Physical specifications
Overall dimensions 3U x 19” x 700mm
Weight Main unit: 30kg - PSU’s: 2.18/module
Operating temperature Nominal: 5°C to 45°C, Maximum: 0°C to 50°C
Storage temperature  -20°C to +70°C , < 10 years
Humidity 5 - 95 % non-condensing relative humidity
Altitude Up to 3900 m 
Cooling Customized external or internal air cooling configurations
Marking CE, FCC
Standards 2014 30 UE, 2014 53 UE, ETS 302 018 (EMC), ETS 300 384 (Radio), NF EN 60215 (Safety)
Titel Type Størrelse Download
ecreso_fm_3kw_2019_en.pdf PDF 3.07MB Download

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