The URS TF 4000 transmitter provides high quality audio output, simple power control (from 0 W up to 4000W), readjustment within the whole frequency range with the help of the display and front panel buttons, which also help to control and operate the key parameters of each module. Control and operation is also possible via the remote access connector (standard RS-232 and RS-485 protocols).
EMERGENCY MODES: The emergency operation system keeps these transmitters operating with impedance mismatches of any kind, up to the total absence of impedance mismatches. In this mode, the transmitter reduces the impedance to levels at which the high frequency stages can continue safe operation. The same principle applies in case of radiator overheating.
PERFORMANCE RATIO: These types of transmitters have a high performance ratio of the high-frequency module (> 70%, typically ~ 80%) at each nominal capacity level, starting from 20% and going up to the maximum value. This kind of performance is achieved by using the most innovative components and know-how.
RELIABILITY: SMD technology guarantees a long service life of the equipment. APC (Automatic Power Control) and feedback protection guarantee fail-safe operation under all working conditions.
AUDIO: The audio signals transmitted by these devices are characterised by low distortion and intermodulation values, and high overall signal/noise ratios ensure compliance with generally accepted standards. The transmitter has a wide selection of input connectors: left, right and mono (XLP) analogue audio inputs; MPX input and auxiliary inputs for SCA / RDS signals with BNC connector. (AES / EBU optional).
RDS APPLICATION: integrated RDS encoder with standard functions (optional).
REMOTE ACCESS: integrated monitoring system with GSM modem, battery and charger.
DESIGN FEATURES: compact and lightweight transmitters in polished stainless steel housing, 3U 19″ Rack.
LOW POWER SUPPLY REQUIREMENTS: Switch mode power supply unit with PFC function allows operation on 3-phase AC 50/60 Hz mains with voltages between 340V and 420V. High efficiency rate (> 90%)
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