OMB EM 3500 HE DIG PLUS Compact FM Transmitter, 5RU, RF Conn. 7/8

The OMB EM 3500 HE DIG PLUS COMPACT - 5RU - RF connector 7/8"

High efficiency FM transmitter for 87.5-108MHZ band. Synthesized in 10KHz and 100KHz steps, micro processor controlled and LCD reading of parameters. SNR>80dB. External working settings, pre-emphasis, frequency and L&R, MPX, aux modulation. Forward power, output power control with time settings, fold-back, surge suppressor, analog telemetry and by contacts. Advanced efficiency system on ventilation and power supply. Three independent switching power supplies of 180-264V, latest Mosfet technology and lowpass filter. Three 1.2KW independent RF power modules, output power adjustable from 0-3.500W. FCC certified.

MAIN ADVANTAGES - Typical AC efficiency >73% and typical RF efficiency of 84%. - Four amplifying modules of 1.200W with robust LDMOS transistor of the latest technology. - Memory recording of events. - 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. - Analog telemetry, digital remote control and telemetry RS232. - Low pass filter and internal single-phase transient suppressor. - Automatic power reduction at night. - Automatic power reduction in case of excessive reflected power. - Automatic voltage control for efficiency optimization.

The following options are available and must be ordered together with the transmitter.

– Stereo generator
– RDS
– Web server/SNMP telemetry
– AES/EBU digital audio input

Please check the brochure more more details.