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Linea Research ASC48 - Advanced System Controller

 
  • Dale #:

    LNRE-LRASC48
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Description

The Advanced System Controller from Linea Research is a high performance and easy to use signal processor for sound systems. With processing for 4 inputs and 8 outputs it takes advantage of the latest analogue to digital conversion and DSP technologies to deliver flawless audio that outclasses it... Read More

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Description

The Advanced System Controller from Linea Research is a high performance and easy to use signal processor for sound systems. With processing for 4 inputs and 8 outputs it takes advantage of the latest analogue to digital conversion and DSP technologies to deliver flawless audio that outclasses its competition.

Features:

  • Four input channels and eight output channels
  • No compromise audio performance
  • Unique, precise, 96kHz Digital Signal Processing
  • Analog, AES3 and Dante™ / AES67 (option) inputs and outputs
  • Ethernet remote control via Linea's System Engineer PC application
  • Full front panel user interface offers simple intuitive local operation
  • 3rd party control via contact closure ports allow easy system integration
  • OEM friendly with flexible parameter hiding
  • Fully designed and engineered by Linea's in-house development team
  • Manufactured, tested, and supported entirely in the UK


The advanced 96kHz DSP provides an array of unique and genuinely useful features. Because all aspects of the DSP algorithms are designed and hand crafted in house by Linea, they are not available on products from any other manufacturer. For example, LIR linear phase crossover filters which are as easy to use as more conventional filter shapes, and have less latency than FIR filters. Also the powerful VX Limiter suite which sports Peak, RMS and Excursion limiting, as well as multiband limiting for passive 2-way enclosures.

Supporting analogue AES3 and Dante™ inputs and having both analogue and AES3 outputs, all under full remote control, makes the ASC48 suitable for use in the most demanding applications, especially when flexibility is paramount.

When used as a loudspeaker management system or digital crossover, the ASC48 brings state-of-the-art facilities and performance, however the ability to receive, process and transmit audio without it leaving the digital domain makes the ASC48 an ideal central controller for large systems, even when amplifiers with in-built DSP are being employed.

Ethernet is used for remote control while a front panel, optimised for use in challenging environments, allows full local control of all features. Control via Linea’s intuitive System Engineer application provides many convenient and time saving features such as very flexible management of presets, and Overlay grouping of Mutes, Gains, Delays and EQ across an entire system.

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Product Specs

Audio output channels 8x Analogue / 4x Stereo AES3 and 8x Dante™ / AES67 (factory fitted option)
Audio input channels 4x Analogue / 2x Stereo AES3 and 8x Dante™ / AES67 (factory fitted option)
Digital Signal Processing High performance 96kHz DSP on all inputs and outputs
External Control and Monitoring Ethernet network
Contact closure port
Audio Performance
Input impedance 10k Ohm balanced
Output impedance 100R impedance balanced
Maximum input level +20dBu
Maximum output level +18dBu into 600R
Sample rate 96kHz
AES3 Input sample rate 28kHz – 108kHz
AES3 Output sample rate 96kHz
Frequency Response 10Hz – 40kHz (Frequency response reduces to 23kHz on outputs with FIR enabled)
Input dynamic range 120dBa typical
Output dynamic range 118dBa typical
Total harmonic distortion, THD 0.008% typical (20Hz – 20kHz)
Digital Signal Processing
Resolution 40 bit, Linea Research proprietary algorithms
Sample rate 96kHz throughout
Physical inputs to DSP drive modules 4x Analogue, 2x Stereo AES & 4x Stereo Dante™ inputs can be routed to four DSP drive modules
Drive module input processing Input signal routing, Delay, Gain, HPF, Phase, Mute
EQ: 2x low shelf, 6x PEQ / band pass and FIR shelving filters
Drive module output processing Source, Delay, Gain, Phase, Mute, Crossover filters, VX limiters
EQ: low shelf, 8x PEQ / band pass and shelving filters / 768 tap FIR
Preset management 10 snapshots for device wide setup, 50 presets for loudspeaker settings
Presets can be recalled to sets of outputs or individual outputs as required
Unique high-performance processing
Overlays Twelve additional independent overlays of EQ, Delay and Gain
Flexible grouping for effective control of many amplifier channels in large systems
Class leading VX limiters See the ‘speaker protection systems’ section
Hardman crossover filters Better out of band rejection than Linkwitz-Riley
LIR crossover filters Unique Linear Phase alignments without the compromises of FIR filters
Power Supply
Mains required 85V to 230VAC, 50Hz - 60Hz
Mains power 30W
Nominal mains input voltage range 85V to 230V nominal
Mains input frequency range 50Hz to 60Hz
Physical
Inputs Analogue/AES3 IN – 4x female Neutrik™
Outputs Analogue/AES3 OUT – 8x male Neutrik™
Mains input connector 3 pin IEC
Dante™ (on equipped units) Primary and Secondary 2x Shielded RJ45
Contact closure inputs Phoenix™ pluggable terminal block (mating plug supplied)
Front panel display Backlit, graphical, high contrast, daylight visible
Front panel encoders Three, detented, velocity sensitive
Front panel push buttons Large, tactile, illuminated
LED indicators Bright, easily differentiated
Enclosure Standard 19” 1U (44mm), 254mm (10”) deep
Net Weight 2.7kg (6 Lbs)

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