Central Unit RCF 250W 2 Lines EN54 17170177
RCF MX 3250-2 2-lines amplified central unit, with the following features:
- Operating voltage: 220-240/115V
- Frequency: 50/60Hz
- Voltage selection: Internal
- DC power: yes
- DC power value: 24V
- Power consumption (MAX) (W): 400W
- Number of managed zones: 2
- On-board power amplifier: yes
- Automatic conversion to backup amplifier: yes
- Maximum number of consoles: 4
- Number of buses: 1
- Max number of simultaneous emergency audio channels: 1
- Maximum number of connectable units: 8

Central Unit RCF 250W 2 Lines EN54 17170177
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MX 3250 is the master unit of the DXT 3000 evacuation system, designed small and medium-sized applications where EN54-16:2008 certification is required.
It is DSP-based and equipped with up to 6 power amplifiers, developed according to RCF class D+ technology, capable of supplying up to 250W for 100V or 70V constant voltage speaker lines. In addition, one of the amplifiers can be configured as a backup unit in case of failure, with automatic replacement. It also houses the batteries and the back-up circuit for switching to DC power.
The MX 3250 also has all the inputs, controls and pre-recorded messages needed to achieve a true plug-and-play solution. The system is completed with the BM 3804 monitored paging console and BE 3806 6-button extensions, which add live announcement and zone selection functions.
In addition, BM 3022 announcement bases (unmonitored) and background music programs can be added. The 3000 system is designed to be connected to paging consoles and other units with J-TYPE cables.
Other technical features:
- Communication bus: serial
- Connection cables: J-Type fire-rated
- Built-in Pre-Recorded Emergency Messages: yes
- Amplifier class: D+
- Number of channels: 2
- Output power @ 100 V (W): 250 W RMS
- Speaker Lines A/B: yes
- Frequency response (-3dB): 80 Hz ÷ 16 kHz
- Signal-to-noise ratio (A-weighted) >70 dB
- Distortion (THD+N) @ 1 kHz at rated power <0.3 %
- Processes: DSP SI, tone controls SI, high-pass filter: 20 Hz ÷ 500 Hz
- Controls: configuration: DIP switch, front panel. Din-Don si
- Audio sources: USB stick inputs: yes - SD card inputs: yes
- Degree of protection IP30
- EN54-16 certified: yes
- EN54-4 certified: yes
- CE mark: yes
- CPR number: 0068-CPR-007/2015
- Body material: metal
- Color: white
- Rack mounting: 19", 12U
Strengths:
- 250W maximum power
- 2 controllable zones
- DSP platform on board
- EN 54-16 and EN 54-4 certified
- Emergency messages on monitored SD card
- Back-up amplifier functionality
- Integrated audio source on front panel
- Wall or rack cabinet installation
INPUT section:
- Number of total inputs: 3
- Balanced: 3
- Mono: 3
- Line inputs 2
- Line connections: Euroblock, JACK
- Voice: yes
- Paging inputs: 1
- Paging connection: Euroblock
- Paging command: serial
- Emergency paging: yes
- General Purpose Inputs (GPI): 6
- GPI monitored: 6
- GPI photo-coupled: 6
OUTPUT Section:
- Number of signal outputs: 1
- Signal output connections: JACK
- Power lines: 2
- Power connections: Euroblock
- General purpose outputs (GPO): 6
Protections:
- Cooling: convention
- Short Circuit: yes
- Thermal protection: yes
- DC: yes
- Fuses: yes
- VHF (Very High Frequencies): yes
Dimensions: and weight:
- Height: 533 mm / 20.98 inches
- Width: 430 mm / 16.93 inches
- Depth: 190 mm / 7.48 inches
- Weight: 15 kg / 33.07 lbs
Data sheet
- Type:
- Central units