Linea Research 44M10
Four Channel Touring Power Amplifier
Compact High Power
The Linea Research 44M10 is a powerful and flexible touring amplifier, combining high-efficiency Class D amplification with integrated DSP and network control. Designed for medium to large-scale live sound systems, it delivers reliable multi-channel performance, precise system tuning, and seamless integration into modern audio networks.
Description
The Linea Research 44M10 is a versatile touring power amplifier, designed to deliver a balanced combination of output, control, and efficiency for professional live sound applications. As part of the 44M Series, it integrates advanced Class D amplification with onboard DSP and network control, providing a streamlined solution for both system powering and optimisation.
Ideal for medium to large-scale touring systems, the 44M10 offers reliable multi-channel performance with the flexibility to adapt to a wide range of loudspeaker configurations. Its integrated DSP enables detailed system tuning, including EQ, crossover, delay, and protection settings, ensuring consistent audio performance across every deployment.
With support for analogue and digital inputs, along with networked audio integration, the 44M10 fits seamlessly into modern audio workflows. Combined with intuitive control software for monitoring and adjustment, it provides engineers with the tools needed to manage sound systems with confidence and precision.
44M10 Features
- Four channels of sonically pure Class D amplification
- Unique, precise, 96kHz digital signal processing
- Over-designed switch mode power supply
- 85V to 240V Auto-sensing PSU
- 6,000 to 20,000 watts RMS total output
- Full front panel user interface
- Ethernet network for system operation and monitoring
- Analogue, AES3 and optional Dante™ / AES67 digital network audio
- Powerful grouping & multi-layer EQ
- Accepts 48kHz and 96kHz FIR files via System Engineer (certain models)
- Fully designed and engineered in house by Linea Research
- Manufactured in the UK
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Data sheets, manuals and resources for the 44M10
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Quick Specs
- GENERAL SPECIFICATIONS
- Number of channels
- 4
- Total power output, all channels driven
- 20,000, 10,000, and 6,000 Watts RMS
- Audio inputs
- 4x Analogue, 2x AES3 and 4x Dante™ / AES67 (factory fitted option)
- Digital Signal Processing
- High performance DSP processing on all inputs and outputs
Technical Specifications
- GENERAL SPECIFICATIONS
- Number of channels
- 4
- Total power output, all channels driven
- 20,000, 10,000, and 6,000 Watts RMS
- Audio inputs
- 4x Analogue, 2x AES3 and 4x Dante™ / AES67 (factory fitted option)
- Digital Signal Processing
- High performance DSP processing on all inputs and outputs
- Control, monitoring and system status alarms
- Ethernet network, Volt-free relay and contact closure port
- Power-save modes
- Standby after user defined time, instant wake up on audio. Deep ECO sleep after user defined time, wake up on command
- System sleep and wakeup
- Front panel switch, network command, and audio detection
- POWER OUTPUT
- Power specification
- RMS output power per channel, all channels driven with continuous program material and a nominal ambient temperature of 40°C / 105°F
- Crest Factor of 4 (12dB), 2-Ohm nominal load
- 2,500W
- Crest Factor of 2.8 (9dB), 4-Ohm nominal load
- 2,500W
- Crest Factor of 2 (6dB), 8-Ohm nominal load
- 1,500W
- Bridged, per channel pair, 4-Ohm nominal load
- 5,000W
- 100V line (CV) operation, Crest Factor 4 (12dB)
- 3,000W
- 70V line operation, Crest Factor 4 (12dB)
- 2,500W
- 25V line operation, Crest Factor 4 (12dB)
- 885W
- AUDIO PERFORMANCE
- Amplifier topology
- Linea Research high performance Class D
- Amplifier modulation scheme
- Low feedback, multiple loop, with feed-forward error correction
- Dynamic range, Measured relative to the amplifier output
- Analogue input, better than 113dBA typical, AES / Dante™ input, better than 114dBA typical
- Gain (with all DSP level controls set to 0dB)
- 32dB
- Frequency response, 4 Ohm load
- <7Hz to >30kHz, 4 Ohms, -2.5dB points
- Total harmonic distortion, THD
- <0.05% typical, 1kHz signal, AES17 filter, 4 Ohm load
- Inter-channel crosstalk, worst case combination
- better than -85dBr at 1kHz and -75dBr at 10kHz
- Maximum analogue input level
- +20dBu
- Analogue input sensitivity range for full output
- 0dBu to +20dBu, continuously adjustable
- Analogue input and link
- Input 20k Ohm, electronically balanced, link directly connected to input
- Analogue ground scheme
- AES48 standard compliant
- AES3 input
- Transformer isolated with unique active cable equalisation for extended range
- AES3 link
- Active AES3 signal regeneration. Automatic direct bypass to the AES3 input ensuring the audio signal will still flow even when the amplifier is powered down
- AES3 supported sampling rates
- 24kHz to 192kHz (auto locking)
- DIGITAL SIGNAL PROCESSING
- Resolution
- 40 bit, Linea Research proprietary algorithms
- Sample rate
- 96kHz throughout
- Physical inputs to DSP drive modules
- 4x analogue, 2x AES & 4x Dante™ / AES67 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
- 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
- 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
- Linear Phase without the compromises of FIR filters
- POWER SUPPLY
- Topology (main power supply)
- Linea Research high performance Series Resonant
- Topology (auxiliary and standby supplies)
- Low quiescent Eco-Flyback
- Internally stored energy
- >600 Joules
- Nominal mains input voltage range
- 85V to 240V Power supply automatically detects voltage and configures accordingly
- Mains input frequency range
- 47Hz to 63Hz
- Mains inrush current (max for <10ms)
- 6A at 115V and 12A at 230V
The Linea Research 44M10 is a versatile touring power amplifier, designed to deliver a balanced combination of output, control, and efficiency for professional live sound applications. As part of the 44M Series, it integrates advanced Class D amplification with onboard DSP and network control, providing a streamlined solution for both system powering and optimisation.
Ideal for medium to large-scale touring systems, the 44M10 offers reliable multi-channel performance with the flexibility to adapt to a wide range of loudspeaker configurations. Its integrated DSP enables detailed system tuning, including EQ, crossover, delay, and protection settings, ensuring consistent audio performance across every deployment.
With support for analogue and digital inputs, along with networked audio integration, the 44M10 fits seamlessly into modern audio workflows. Combined with intuitive control software for monitoring and adjustment, it provides engineers with the tools needed to manage sound systems with confidence and precision.
- Four channels of sonically pure Class D amplification
- Unique, precise, 96kHz digital signal processing
- Over-designed switch mode power supply
- 85V to 240V Auto-sensing PSU
- 6,000 to 20,000 watts RMS total output
- Full front panel user interface
- Ethernet network for system operation and monitoring
- Analogue, AES3 and optional Dante™ / AES67 digital network audio
- Powerful grouping & multi-layer EQ
- Accepts 48kHz and 96kHz FIR files via System Engineer (certain models)
- Fully designed and engineered in house by Linea Research
- Manufactured in the UK
| GENERAL SPECIFICATIONS | |
| Number of channels | 4 |
| Total power output, all channels driven | 20,000, 10,000, and 6,000 Watts RMS |
| Audio inputs | 4x Analogue, 2x AES3 and 4x Dante™ / AES67 (factory fitted option) |
| Digital Signal Processing | High performance DSP processing on all inputs and outputs |
| Control, monitoring and system status alarms | Ethernet network, Volt-free relay and contact closure port |
| Power-save modes | Standby after user defined time, instant wake up on audio. Deep ECO sleep after user defined time, wake up on command |
| System sleep and wakeup | Front panel switch, network command, and audio detection |
| POWER OUTPUT | |
| Power specification | RMS output power per channel, all channels driven with continuous program material and a nominal ambient temperature of 40°C / 105°F |
| Crest Factor of 4 (12dB), 2-Ohm nominal load | 2,500W |
| Crest Factor of 2.8 (9dB), 4-Ohm nominal load | 2,500W |
| Crest Factor of 2 (6dB), 8-Ohm nominal load | 1,500W |
| Bridged, per channel pair, 4-Ohm nominal load | 5,000W |
| 100V line (CV) operation, Crest Factor 4 (12dB) | 3,000W |
| 70V line operation, Crest Factor 4 (12dB) | 2,500W |
| 25V line operation, Crest Factor 4 (12dB) | 885W |
| AUDIO PERFORMANCE | |
| Amplifier topology | Linea Research high performance Class D |
| Amplifier modulation scheme | Low feedback, multiple loop, with feed-forward error correction |
| Dynamic range, Measured relative to the amplifier output | Analogue input, better than 113dBA typical, AES / Dante™ input, better than 114dBA typical |
| Gain (with all DSP level controls set to 0dB) | 32dB |
| Frequency response, 4 Ohm load | <7Hz to >30kHz, 4 Ohms, -2.5dB points |
| Total harmonic distortion, THD | <0.05% typical, 1kHz signal, AES17 filter, 4 Ohm load |
| Inter-channel crosstalk, worst case combination | better than -85dBr at 1kHz and -75dBr at 10kHz |
| Maximum analogue input level | +20dBu |
| Analogue input sensitivity range for full output | 0dBu to +20dBu, continuously adjustable |
| Analogue input and link | Input 20k Ohm, electronically balanced, link directly connected to input |
| Analogue ground scheme | AES48 standard compliant |
| AES3 input | Transformer isolated with unique active cable equalisation for extended range |
| AES3 link | Active AES3 signal regeneration. Automatic direct bypass to the AES3 input ensuring the audio signal will still flow even when the amplifier is powered down |
| AES3 supported sampling rates | 24kHz to 192kHz (auto locking) |
| DIGITAL SIGNAL PROCESSING | |
| Resolution | 40 bit, Linea Research proprietary algorithms |
| Sample rate | 96kHz throughout |
| Physical inputs to DSP drive modules | 4x analogue, 2x AES & 4x Dante™ / AES67 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 |
| 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 |
| 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 | Linear Phase without the compromises of FIR filters |
| POWER SUPPLY | |
| Topology (main power supply) | Linea Research high performance Series Resonant |
| Topology (auxiliary and standby supplies) | Low quiescent Eco-Flyback |
| Internally stored energy | >600 Joules |
| Nominal mains input voltage range | 85V to 240V Power supply automatically detects voltage and configures accordingly |
| Mains input frequency range | 47Hz to 63Hz |
| Mains inrush current (max for <10ms) | 6A at 115V and 12A at 230V |
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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