The Sielco PolyEco50D is a compact 50 W digital FM exciter featuring DSP audio processing, high efficiency, and remote network control for professional broadcasters.
Original price was: $ 4,505.02.$ 3,286.36Current price is: $ 3,286.36.
The Sielco PolyEco50D is a compact, high-efficiency 50 W digital FM exciter developed for professional broadcast operations where signal quality, stability, and remote management are essential. Part of Sielco’s respected PolyEco Series, it combines robust RF design with advanced digital audio processing and full remote connectivity.
Using the latest DSP-based modulator, the PolyEco50D provides exceptional stereo separation, minimal distortion, and precise modulation accuracy. Its fully digital signal chain ensures consistent on-air sound quality, while integrated protection circuits safeguard the unit against VSWR mismatch, over-temperature, and over-power conditions.
Operators benefit from Ethernet, SNMP, and web interface control, allowing real-time status monitoring, alarms, and parameter adjustments from any location. The internal CPU and NMS software enable logging, diagnostics, and configuration storage, making it ideal for networked transmitters or backup applications.
The unit’s rugged 1U rackmount chassis houses a low-noise power supply and efficient cooling system, ensuring continuous operation even in demanding 24/7 environments. With a modular layout and easily accessible components, maintenance is simple and downtime minimized.
Whether used as a low-power transmitter or as the driver in higher-power FM systems, the Sielco PolyEco50D delivers reliability, precision, and broadcast-grade performance expected by engineers worldwide.
Key Features
50 W RF output with digital modulation
Fully DSP-based audio and MPX processing
Integrated stereo encoder and RDS generator
Web, SNMP, and RS-232 remote control
Hot-swap power supply and low-noise fans
High efficiency and low distortion
Internal event logging and alarms
Compact 1U rackmount design
Technical Specifications
Frequency Range: 87.5 – 108 MHz
Output Power: 1 – 50 W adjustable
Modulation Type: Direct digital synthesis
Audio Inputs: Analog, AES/EBU, MPX, and Ethernet IP
THD: < 0.05 % @ 1 kHz
S/N Ratio: > 90 dB
Power Supply: 230 V AC, 50/60 Hz
Dimensions: 1U (483 × 44 × 300 mm)
Weight: ≈ 5 kg
Alternative Products
DB Mozart Next 50 – 50 W FM Transmitter
Ecreso FM AiO 50 – Digital Low-Power Transmitter
Sinteck Strider 50 – Studio to Transmitter Link Exciter
