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DB Broadcast Mozart 500

500W Stereo FM Transmitter
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2-Year Warranty

Description

Mozart series – the latest Audio excellence in FM Broadcasting

FM transmitter – Radio transmitter :  the new Mozart FM Transmitter – Exciter Series is the latest audio excellence in the FM Broadcasting industry with revolutionary Audio & RF technology.

MAIN CHARACTERISTICS:

– The GREEN RF™ technology, combined with new 65:1 devices, is the latest evolution of the world-famous patented COLD-FET™ technology applied on DB’s transmitters.

– FM transmitter Low maintenance costs thanks to the easy access to all components, external cooling air filters, very high MTBF for RF and power supply modules.
– Compact design and low weight to reduce transportation costs and simplify logistics.
– FM transmitter High frequency stability in short and long terms assured by Digital Phase Locked Loop circuit with low drift VCTCXO.
– FM transmitter Complete WEB SERVER SNMP, GSM or SMS remote control, available as option.
– FM transmitter Complete remote management via WiFi with WiFi Touch, available as option.
– FM transmitter External reference oscillator, available as option: 10 MHz.
– Frequency Agile Broadband, settable directly from the LCD front panel with 10 KHz steps without need for tuning tools.
– Meets or exceeds all international standards for safety and electrical specifications.

  • FM transmitter MSE™: Magnetic Sound Enhancer is a magnetic barrier that protects the VCO, the heart of FM modulator, and increases sound quality.
  • Stereo Generator: high performance built-in digital stereo coder provides separation typical > 65dB.
  • Signal/noise ratio >80dB assures the highest audio quality.
  • Input sensitivity and output deviation adjustable with high precision of 0,05dB through front panel or remotely by web interface.
  • FM transmitter level and phase of the pilot tone adjustable from the front panel and Web interface.
  • AES/EBU digital stereo audio interface available as option.
  • Powerful modulation limiter keeps the maximum frequency deviation within international requirements to avoid overmodulation and adjacent channels interference. Limiter levels can be set from the front panel.
  • FM transmitter Switch-mode power supply with power factor control. Highly efficient and widely over-rated power supply modules insure low heating, low AC power consumption and superior reliability. The power factor control circuitry meets the international requirements for mains network disturbances.
  • FM transmitter High efficiency cooling system. Thanks to the air cooling system, the heat-sink temperature can rise only about 10°C above ambient temperature. This guarantees the proper functioning even in sites with extreme climate conditions and high temperature.

General

  • Frequency range:87.5 to 108 MHz adjustable with 10kHz step
  • Output impedance:50 Ω
  • Output connectors:N from 30W up to 500W
  • DIN 7/16 for 1kW
  • EIA 7/8” for 2kW and 3.5 kW
  • Deviation capability:±75 kHz, up to ±200 kHz with distortion < 0.5%
  • Short term stability:± 1 ppm from -5 to +45 °C
  • RF harmonics:Exceeds CCIR/FCC requirements
  • RF spurious:Exceeds CCIR/FCC requirements
  • Pre-emphasis:0, 25, 50, 75 us (selectable)
  • Modulation monitoring:BNC connector
  • Pilot tone:Phase and Amplitude adjustable from display and WEB interface
  • Log file:Up to 200 dated events saved in the transmitter memory, accessible from display and WEB interface

Audio Inputs

  • Modulating input signal:Mono, Stereo (Left, Right, Left + Right), Encoded stereo (MPX), SCA, RDS, AUX, Digital AES/EBU
  • Input sensitivity adjustment:With 0,05dB steps by front panel display interface or by WEB interface
  • Limiter:It can be enabled/disabled and adjusted from 30 kHz to 180 kHz by front panel display and WEB interface
  • Internal RDS coder:Synchronized with the 19kHz pilot of the internal stereo coder or the 19kHz pilot of an external MPX signal

Mono

  • Audio input levels for +/- 75 kHz deviation:Adjustable from -9 to +18 dBu
  • Audio response:±0.3 dB (30 Hz to 15 kHz)
  • THD+N on encoded channels:< 0.06% ( typ. 0.03% ) (30 Hz to 15 kHz)
  • Audio Impedance:600Ω Balanced
  • Audio connector:XLR

Stereo

  • Audio input levels for +/- 75 kHz deviation:Adjustable from -9 to +18 dBu
  • Audio response:±0.3 dB (30 Hz to 15 kHz)
  • THD+N on encoded channels:< 0.03% (30 Hz to 15 kHz)
  • Audio Impedance:10 kΩ Unbalanced or 600Ω Balanced
  • Audio connector:XLR (Left & Right)

MPX (External coder)

  • Audio input levels for +/- 75 kHz deviation:Adjustable from -6 to +6 dBu or from +6 to +18 dBu (selectable at order)
  • THD+N on encoded channels:< 0.03% (30 Hz to 100 kHz)
  • Audio Impedance:> 5 kΩ Unbalanced
  • Audio connector:BNC

RDS/SCA/AUX (with separated connectors)

  • Audio input levels for +/- 75 kHz deviation:Adjustable from -19.5 to +7.5 dBu
  • Audio Impedance:2 kΩ (others on request) Unbalanced
  • Audio connector:BNC

AES/EBU

  • Audio input levels for +/- 75 kHz deviation:Adjustable from -15 to 0 dBFS
  • Audio Impedance:110 Ω
  • Audio connector:XLR

AC Power Requirements

  • AC supply voltage:115 / 230 VAC ± 15%, single-phase
  • AC supply frequency:50 Hz or 60 Hz, ±5%
  • Power factor:> 0.9

Environment

  • Cooling:Forced air
  • Service:Continuous 24/24h
  • Operating temperature:-5°C to +45°C
  • Derate 3°C per 500 m above 2000 mt asl
  • Relative humidity:Up to 95%

Mozart 500 Brochure

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