4IN 8OUT Flagship Speaker Management System

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LPP480F is a high end 4-IN/8-OUT digital speaker management system which is MARANI® flagship controller, adding astonishing hardware and software features on the basis of the LPP series. Designed for maximum versatility, it provides all the processing and control necessary for both live and fixed installation use. Proving for any crossover configuration, it offers 4 analog inputs, 8 analog outputs, 2 Stereo AES/EBU inputs, and 4 Dante™ inputs, managed by 3 powerful MARANI® M716 DSP Engines, for a full 96kHz processing, in addition to 24 Bit Texas Instruments AD/DA Converters. Each input channel provides a choice of a 13-band Parametric EQ, with plenty of filter types, Gain control, Noise Gate, RMS Compressor, Internal White/Pink Noise Generator, and configurable Delay. Each output offers up to 7-band of parametric equalization, in addition to the IIR crossover filters which themselves provide slopes from 6dB/Octave up to 48dB/Octave. Each output path also features PEAK Limiter, RMS Compressor and configurable Delay. Output X-Over Filtering can be selected to be IIR style, with the complete set of Classic Hp/Lp filters (Butterworth, Linkwitz-Railey, Bessel) or FIR, being for each output channel available a 512 taps FIR filter which can be set as Hp/Lp/Bp. On each one of the 4 Input paths, one more 1024 taps FIR is available for Phase Correction purposes, where the Coefficients Calculation can be supported by an embedded Wizard tool or can be loaded from external sources as Third Parties software for the FIR filters coefficients generation. Being the phase correction operated by an FIR Filter which can be Asymmetrical other than Symmetrical, a powerful tool for adjusting/reducing the FIR latency is available, allowing therefore the LPP480F to be used without any problem also for Live performances still having the Phase correction FIR running together with the eventual FIR for the X-Over implementation in cascade.

The LPP480F supports a full set of matrix mixing modes where Input sources can be routed/mixed to the Input paths, inputs paths may be routed/mixed in any ratio to any output and couple of outputs (1/2, 3/4, 5/6, 7/8) can be swapped at pleasure. For remote configuration and control the LPP480F can be connected via USB /TCP-IP Interfaces. Moreover, with front panel dedicated buttons, user can go directly to the editing pages like Xover, channel editing windows, while can monitor the real-time meters and other parameters from the LCD screen.

Contact details

Marani Proaudio Srl

Via Vittorio Veneto N. 11
42022 Boretto RE


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Top-grade DSP Engine and Processes

13 band parametric equalization per input channel
7 band parametric equalization per output channel
Each band can select within a range of 17 different filter types, on output channels, IIR Crossover filters with slopes from 6 up to 48 dB/ Octave including Butterworth, Bessel, Linkwitz-Riley and Custom, allowing to set independently teach single Iind order cascaded cell, in alternative to the IIR X-over, FIR X-over Filters with number of Taps from 256 up to 512 are available.
Symmetrcial/Asymmetrical 1024 Taps FIR for Phase Correction are on each of the 4 Input paths [FIR coefficients generated internally by the machine or loadable from external third parties applications]
RMS compressors working on Look Up tables for the Compression coefficient are available on Input and Outputs paths.
On Outputs a further Peak Limiter is available at the end of the paths.
Adjustable Delay time up to 340.998 ms for every input and output channel

Direct PC/Network Connection

The LPP480F can be controlled by Remote Sw via a front panel USB connector for quick direct PC access
or via a back panel TCP-IP connection for networking purposes.
The all processes can also be accessed and edited through a powerful dedicated front panel interface based on graphic LCD, buttons and flexible Joystick.

FW update is available by remote control PC SW

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