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DB Mozart NEXT 6000

by

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.

Additional information

Weight 30 kg
Dimensions 50 × 50 × 30 cm
Product can be split into multiple boxes

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specification

Technical Specifications:

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 3kW

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)
Synchronized with the 19kHz pilot of the internal stereo coder or the 19kHz pilot of an external MPX signal

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%

features

Features:

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.

Color

Black