Untitled - CIE-Group

MCA 4240 AMULTI-CHANNEL CONSTANT VOLTAGE (100 V)power amplifiers482132Power amplifier with4 independent channelsof 316W each• 4 output transformers forconstant voltage systems, withseveral output sockets• Frequency response 40Hz-20kHz• Configurations possible 4x316WRMS, 2x632W RMS, 1x1264W RMS• Designed to operate inemergency conditions• 2 inputs for each power stage,one of which has priority overthe other• Phantom power supply• Optional card for remote volumecontrol (MMZ-VRC)• Remote failure signal control,which may also command arecovery module• Protections: thermal, shortcircuit and fuse on eachamplifier• PWM technology with 90%performance• 3 rack units484 zone paging and call forindividual priority zoneMB-T 8004Microphone baseMMZ 8004S4 zones preamplifierZONE 1Zone 4Zone 2Zone 3Zone 1Zone 2Zone 3Zone 4Local Paging SystemLocal Paging SystemLocal Paging SystemLocal Paging SystemMCA 4240 ACode 17758CharacteristicsMonoblock amplifier with 4 channels 4x316 W RMSContinuous power4x316 W RMS at 100V, 50V, 33V or 8 Ohm, 25V or 4 Ohmwith all piloted channels 2x632 W RMS at 100V, 70V, 50V1x1264 W RMS at 100V, 70VFrequency response @1 W 40Hz÷20kHzmeasured on output 33VHarmonic distortion THD+N < 0.1%@ 240 W RMS, 1kHzSignal/noise ratio80dB (with filter 22Hz-22kHz)Separation between channels -66dB @100Hz, -75dB @ 1kHz, -70dB @ 10kHzInputsA and B balanced, with screw connector (B priority)Input impedance10kOhm (unbalanced) 20kOhm (balanced)Input sensitivity0dBu (0.775V) with balanced input,6dBu with unbalanced inputControlsLevel control for each channel on rear panelEmergency input signals 0 dBu“Failure” Output, Emergency Open collector 12 VDC/80mA maxPhantom Power supply 48 V activated on all B inputs of each channelOutput power supplyPower supply ±15 VDC, max 100mA on each channelOutput connector type three “Faston” connectors: common, line, emergencyVAC power supply230V 50 HzAbsorption1000 W (@ max power with music signal)Operating conditions -20°C+40°C with max. humidity < 90%ProtectionsThermal, short circuit, fuse on each amplifierDimensions482x132x430mm (3 U rack)LED indicatorsInput signal, saturation, thermal protection,for each power stagepower stage malfunctionOptional accessoriesCard for remote volume control of 2 channelsModel MMZ-VRC