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Introduction and Key Features
Introduction
The EM Acoustics Di Series Advanced Installation Amplifier represents current state-of-the-art
technology in several areas. This product is the result of several years of research, from which many
advances in switched mode power technologies and ever finer detail in signal processing have
stemmed. Taking advantage of the latest advances in analogue to digital conversion technologies,
the unit achieves performance levels among the very best that engineering permits.
Below is a list of key features, followed by some information on the major advanced features of the
product.
Key Features
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Four/Eight channels of sonically pure Class D amplification
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Very high power density - packs eight channels and 20kW into just 2U of rack space
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Packed with robust protection and monitoring systems to keep the show going
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External Breaker Protection (EBP) limits the current draw to prevent breakers opening
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Minimal signal path design
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Class leading sonic performance achieved by the use of state of the art Amplifier technologies
and highly advanced DSP algorithms using Linea Micro Detail (LMD)
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96kHz sampling frequency provides for a nominally flat response beyond 40kHz.
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Simple tamper-proof front panel offers intuitive indication of status
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High speed Ethernet communications supporting DHCP, static-IP and auto-IP and direct
connection to a computer without the need for a router or a switch
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Powerful Drive Module concept, abstraction from device centric to speaker based control
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Innovative Component Presets to allow individual outputs to be used for selected drivers of a
loudspeaker system
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Twelve layers of Parameter Overlays for trouble-free Grouping
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Unique VX limiter providing dynamic control for passive 2-way enclosures
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Unique LIR linear phase crossover shapes giving FIR-like performance without the drawbacks
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Linear phase HF system EQ profiling which provides perfect integration between enclosures
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Innovative excursion control limiter with sliding High Pass Filter; limits only the damaging low
frequencies
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Transducer thermal modelling provides regulation limiters, addressing long term overload
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Overshoot limiter governs amplitude of transient signals retaining average power whilst
constraining peak energy
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Dante audio networking with automatic fallover to Analogue or AES3
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AES3 input
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