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Iconos class D
Icono_PFC 90
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Icono_2xQuantapulse 90

MDi Series is the newest solution from RAM Audio for fixed installations, where state-of-the-art amplification technology has been used to manage acoustic systems in the most efficient and greenest way possible, without diminishing quality of sound and dynamics that have always typified RAM Audio amplifiers.

A new generation of QuantaPulse switching mode power supplies with Power Factor Correction to improve efficiency, with a schematic thought to give a very high capacity of instantaneous power, together with very evolved high efficiency audio modules in class D with an excellent quality of sound, are the basis on which RAM Audio has developed this new series that is capable of offering the most optimal solution to the very exigent fixed-installations market.

• Hi audio quality in an extremely efficient class D design

• Last generation PFC QuantaPulse™ switch mode PS

• 2/4/8 channels models from 1400W up to 12000W

• 70V/100V Line Direct/Drive Output

• Ultra light weight 5.5kg, compact package 35cm deep

• RAM Audio Power Management System (PMS™) and Clip Limiter (ICL™)

• Up-side-down design to avoid fan dust acumulation

• Industry standard Barrier Strips and Phoenix connectors

• Detented sealed potentiometers

• Optionally tamper proof potentiometers

• Comprehensive protection set (ICL, PMS, turn-on, Temp, DC….)

• Modular construction for an easy after-sales service

• Temperature controlled, front to back cooling fan

• ICL2™: improved Intelligent Clip Limiting

• PMS™: Power Management System controls the amount of power that the amp delivers under diferent circumstances

• Faulty Channel Management (FCM™)

• Soft-start, turn-on transients, Over-heating, DC, RF, short-circuit

• Overloaded power supply, Mains sub/over voltage

Output Power MDi2-1K4 MDi2-2K7 MDi2-6K MDi4-2K4 MDi4-6K MDi4-12K MDi8-2K7 MDi8-6K
4 ohm 2x700W 2x1350W 2x3000W 4x610W 4x1500W 4x3000W 8x340W 8x750W
8 ohm 2x375W 2x900W 2x1500W 4x350W 4x800W 4x1500W 8x225W 8x400W
Puente 8 ohm 1x1400W - - 2x1220W - - 4x680W 4x1500W
                 
High Z                
70Vrms/100Vpeak - 2x1350W - - 4x1500W - 4x680W -
100Vrms/140Vpeak 1x1400W - 2x3000W 2x1200W - 4x3000W - 4x1500W

• Frequency Response (power bandwidth ±0.25dB): 20Hz-20kHz

• Phase Response (@1W 20Hz-20kHz): ±15deg

• Total Harmonic Distortion (20Hz-20kHz): <0.05%

• Intermodulation Distortion (SMPTE): <0.05%

• Damping Factor (20Hz-500Hz @8ohm): >400

• Crosstalk (20Hz-1kHz): >75dB

• Voltage Gain: 32dB

• Sensitivity: MDi2-1K4:1.4V      MDi2-2K7:2.1V      MDi2-6K:2.8V
                         MDi4-2K4:1.3V      MDi4-6K:2V           MDi4-12K:2.8V
                         MDi8-2K7:1.1V      MDi8-6K:1.4 V

• Signal to noise ratio (20Hz-20kHz): MDi2-1K4: 101dBA      MDi2-2K7: 103dBA      MDi2-6K: 104dBA
                                                                   MDi4-2K4: 105dBA      MDi4-6K: 101dBA        MDi4-12K: 103dBA
                                                                   MDi8-2K7: 104dBA      MDi8-6K: 104dBA

• Required AC Mains:
Operating Voltage (50Hz-60Hz): 170V-265V AC
Power On Idling (@230V): 0.5 A
1/8 rated power (@230V min. Z): MDi2-1K4: 1.8A      MDi2-2K7: 4A      MDi2-6K: 4.5A
                                                           MDi4-2K4: 3.2A      MDi4-6K: 4.5A     MDi4-12K: 9A
                                                           MDi8-2K7: 4A         MDi8-6K: 4.5A

• Dimensions (WxHxD): 483×88.9×350 mm – 19×3.5×13.8 inches

• Weight (Net): MDi2-1K4/MDi2-2K7: 5kg – 11lb      MDi2-6K: 5.5kg 12.1lb
                            MDi4-2K4/MDi4-6K: 5kg – 11lb        MDi4-12K: 6kg – 13.2lb
                            MDi8-2K7/MDi8-6K: 5.5kg – 12.1lb

• Protections: Soft-start, Turn-on Turn-off transients, Muting at turn-on, Over-heating, DC, RF, Short-circuit, Open or mismatched loads, Overloaded power supply, Mains over/sub voltage, ICL™, PMS™, and FCM™

• Download Datasheet

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