ECRESO 3KW FM Transmitter

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Engineered to meet the needs of the most demanding network operators and stations, the ECRESO 3kW FM Transmitter combines reliable performance, efficiency, and state-of-the-art innovation into a compact, yet modular 3U chassis design.

With the Ecreso FM 3kW, broadcasters benefit from built-in redundancy, easy maintenance, a multitude of built-in features and the first patented Artificial Intelligence for FM radio, SmartFM.

This advanced broadcasting solution is the result of decades of experience and a mission to bring to market the best FM transmitters in terms of total cost of ownership and audio quality.

Key Features:

  • Turnkey solutions – available as a standalone unit or as a system, including peripherals and rack integrations. Available in 1+1 and N+1 turnkey solutions
  • Lowest operating costs- Up to 76% efficiency thanks to state-of-the-art technology such as 6th generations MOSFET and PLajar design + SmartFM
  • Many onboard functions – Sound processor, Dynamic RDS Encoder, Digital Stereo Encoder, Audio Backup, MPX Power Limiter, GPIO…
  • High reliability – Undergoes highly accelerated life tests (HALT), Parts stress analysis (PSA), Failure Mode Effects and Criticality Analysis (FMECA), burn-in…
  • Simple control and monitoring thanks to a user-friendly web interface, advanced measurement interface (AMI), 24h graphical history log and expert maintenance reporting (EMR)
  • Full SNMP management – Up to 4 SNMP managers, Control and monitor all parameters and alarms by SNMP traps and e-mails
  • Reduce maintenance with hot-swappable power supplies and fans
  • Built-in redundancy that keeps you on-air with up to 3 power supplies and load sharing, active redundancy RF amplification, passive coupler with maximum robustness and oversized coupling loads for unlimited operation on fault.
  • Direct-to-channel digital modulator – Highest signal quality/ Perfect audio fidelity, several built-in broadcast tools and control of signal parameters
  • 5-Band sound processor
  • Digital MPX over AES
  • Audio Backup – Silence detect on all program inputs, intelligent automatic auto-switch and recovery
  • Standard 3 year warranty with option for 10 years (for small additional charge)

SmartFM Artifical Intelligence

SmartFM, worldwide patented technology for FM transmitters which revolutionizes FM radio broadcasting and brings massive benefits to broadcasters, radios, and their audience of listeners.
→ Lowers energy costs up to 40% thanks to electricity savings and reduced cooling
→ Reduces CO2 emissions for a cleaner, more sustainable environment

5-Band Sound Processor

  • 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 Graphical User Interface
  • Real-time meters at each stage
  • No additional hardware: maximum reliability, no maintenance
  • MPX Power Limiter (ITU 412)
  • Wideband sound processor comes standard; 5-Band optional

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
  • Built on Audemat’s RDS expertise

Alarm Notifications

  • Alarm delivery by email (SMTP) & SNMP
  • Easy configuration of each notification

Automation & Scheduler

  • Schedule preset changes
  • Schedule any parameter of your ECRESO FM
  • Schedule RF power to reduce consumption
  • Automate actions when an alarm is detected

Single Frequency Network (SFN)

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

Technical Specifications:

Frequency Range 87.5 to 108 MHz in 10 kHz Steps
Frequency Stability < 10−6 per Year
HF Output EIA 7/8 type, 50 Ω
Power range 0.3-3.3 kW
Power setting 0-3.5 kW
Power factor > 0.95
VSWR < 1.35, optimal performance: < 1.1 , protection : > 1.5
Spurious and harmonic suppression > 82dBc
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)
Overall dimensions 3U x 19” x 700mm
Weight Main unit: ~27kg, ~60 lbs – PSU’s: 2.18/module
Operating temperature Nominal: 5°C to 45°C, 41°F to 113°F – Maximum: 0°C to 50°C, 32°F to 122°F
Warehouse temperature -20°C to +70°C, -4°F to 158°F < 10 years
Humidity 5 – 95% non-condensing relative humidity
Altitude Up to 3900m – 12795ft
Cooling 4 fans, 1.92 m³ / min per fan (max)