Linea Research ASC48
Advanced System Controller
Advanced Control
The Linea Research ASC48 is a powerful 4-in / 8-out system controller featuring advanced 96kHz DSP, flexible analogue, AES3 and optional Dante connectivity, and full network control—ideal for precise loudspeaker management and large-scale professional audio systems.
Description
The Linea Research ASC48 is an advanced system controller engineered for demanding live sound and installation environments, offering a powerful combination of audio processing, routing flexibility, and system control. With four inputs and eight outputs, it acts as the central hub of a professional audio system, delivering precise signal management and optimisation across multiple zones and loudspeaker configurations.
At its core is Linea Research’s proprietary 96kHz DSP engine, designed entirely in-house to provide exceptional audio quality and unique processing capabilities. This includes advanced crossover options such as LIR linear phase filters, alongside the highly regarded VX limiter suite, which offers peak, RMS, excursion, and multiband limiting for comprehensive loudspeaker protection and performance optimisation.
The ASC48 supports a wide range of input and output formats, including analogue and AES3 as standard, with optional Dante/AES67 networking for seamless integration into modern digital audio systems. Its ability to process and route audio entirely within the digital domain ensures maximum signal integrity, making it particularly suited to complex, large-scale installations and touring systems.
Designed with usability in mind, the ASC48 offers both intuitive front panel control and powerful remote operation via Linea Research’s System Engineer software. This allows engineers to manage routing, EQ, delay, and presets across an entire system from a single interface, streamlining setup and ongoing system optimisation.
Built and manufactured in the UK, the ASC48 delivers outstanding reliability and performance, making it an ideal solution for applications including theatres, concert venues, houses of worship, and large distributed audio systems where precision and control are critical.
ASC48 Features
- Four input channels and eight output channels
- No compromise audio performance
- Unique, precise, 96kHz Digital Signal Processing
- Analog and AES3 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
Resources & Downloads
Data sheets, manuals and resources for the ASC48
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Quick Specs
- GENERAL SPECIFICATIONS
- 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
Technical Specifications
- GENERAL SPECIFICATIONS
- 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 throughout
- 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)
- Resolution
- 40 bit, Linea Research proprietary algorithms
- 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 in the manual
- 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™ 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)
The Linea Research ASC48 is an advanced system controller engineered for demanding live sound and installation environments, offering a powerful combination of audio processing, routing flexibility, and system control. With four inputs and eight outputs, it acts as the central hub of a professional audio system, delivering precise signal management and optimisation across multiple zones and loudspeaker configurations.
At its core is Linea Research’s proprietary 96kHz DSP engine, designed entirely in-house to provide exceptional audio quality and unique processing capabilities. This includes advanced crossover options such as LIR linear phase filters, alongside the highly regarded VX limiter suite, which offers peak, RMS, excursion, and multiband limiting for comprehensive loudspeaker protection and performance optimisation.
The ASC48 supports a wide range of input and output formats, including analogue and AES3 as standard, with optional Dante/AES67 networking for seamless integration into modern digital audio systems. Its ability to process and route audio entirely within the digital domain ensures maximum signal integrity, making it particularly suited to complex, large-scale installations and touring systems.
Designed with usability in mind, the ASC48 offers both intuitive front panel control and powerful remote operation via Linea Research’s System Engineer software. This allows engineers to manage routing, EQ, delay, and presets across an entire system from a single interface, streamlining setup and ongoing system optimisation.
Built and manufactured in the UK, the ASC48 delivers outstanding reliability and performance, making it an ideal solution for applications including theatres, concert venues, houses of worship, and large distributed audio systems where precision and control are critical.
- Four input channels and eight output channels
- No compromise audio performance
- Unique, precise, 96kHz Digital Signal Processing
- Analog and AES3 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
| GENERAL SPECIFICATIONS | |
| 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 throughout |
| 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) |
| Resolution | 40 bit, Linea Research proprietary algorithms |
| 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 in the manual |
| 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™ 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) |
About Penguin Media Solutions
Penguin Media Solutions is a professional audio, video, and lighting design, installation, and maintenance company based in Brighton, UK. As an authorised Martin Audio dealer, we provide high-performance AV systems for commercial venues, hospitality, and event spaces across Brighton, London, and South-East England.
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