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Lake LM44




  • Lake LM44 4 in / 4 out loudspeaker processor
  • High-performance Lake digital audio system processor for unparalleled loudspeaker management and system control
  • Raised Cosine Equalization plus linear phase and classic crossovers for ultimate sound-shaping abilities
  • Configurable Lake groups offers simultaneous non-destructive parameter adjustments across all Lake platforms
  • Redundant audio inputs and on-board system surveillance for full system security
  • Full system control via Lake Controller touch-screen-optimized software application
  • LimiterMax Peak and RMS limiters offer seamless power output control
  • 4 x Lake Mesa modules or 2 x Lake Contour modules for optimized system or loudspeaker control
  • 4 x analog inputs and 4 x analog outputs with Iso-Float ground isolation provided through Neutrik XLR * connectors
  • 4 x AES3 digital audio inputs and 4 x AES3 digital audio outputs with up to 192 kHz sampling frequency provided through Neutrik XLR connectors
  • 2 x Neutrik etherCON * RJ-45 ports provide dual-redundant Dante interfaces and remote configuration via Lake Controller and Dante Controller software
  • High quality A/D and D/A 24-bit conversion and 96 kHz internal sampling frequency
  • Front panel accessible Dedicated Module Input and Output Mute buttons and LED metering
  • Rugged 1U rackmount chassis for space saving durability in touring applications
  • 100 user presets for simple and efficient system configuration and set-up
  • Backlit, white-on-black front panel daylight readable display
  • Dynamic buttons and rotary encoder for front panel parameter adjustment
  • Software configurable GPIO for 3rd party system control
  • Universal 70 - 265 V power supply served through a locking IEC mains connector

1 piece

€3 799,00

Monthly payment from: 108,00 €


Quick start guide : Lake LM44 Quick start guide (.pdf)


Lake features
Module configuration 2 Contour or 4 Mesa modules
Processing channels 6 in Contour mode, 4 in Mesa mode
Input routers 8 input routers with 4 priorities in each, seamless failover to lower priorities
Module Input mixer 4 ch. for Contour, 8 ch. for Mesa-modules. Mix any ratio between all input routers.
Input processing Parameteric EQ with Mesa and Ideal Graphic equalizers, both utilizing Raised Cosine algorithms
Output processing Linear phase or Classic crossovers, Parametric EQ, shelving and all-pass filters
Features Delay, Mute, Phase, Gain etc.
Limiters LimiterMax with Peak and RMS limiter. Configurable MaxRMSLevel, MaxRMSCorner, MaxRMSAttack,
MaxRMSRelease and MaxPeakLevel
SuperModule compatible Yes
Audio Performance
Conversion resolution 24-bit
Internal sample rate 96 kHz
Internal data path 32-bit floating point
Product propagation delay Best case (AES synchronous 96 kHz to AES synchronous 96 kHz via module) 0.871 ms
Analog (Analog in to Analog out via module) 1.049 ms
Pass thru (Analog in to AES synchronous 96 kHz bypassing module) 0.158 ms
Maximum available user delay 2 seconds
Inputs and Outputs 4 inputs, 4 outputs
Frequency Response, analog-to-digital +/-0.1 dB, 20 Hz to 20 kHz
Frequency Response, digital-to-analog +/-0.1 dB, 20 Hz to 20 kHz
THD+Noise, Inputs 0.00024% typical at 1 kHz
THD+Noise, Outputs 0.00037% typical at 1 kHz
Dynamic Range, Inputs 116 dB
Dynamic Range, Outputs 115 dB
Input Impedance 20 kOhm balanced, 10 kOhm unbalanced
Output Impedance 50 ohm
Maximum Input level +26 dBu
Input Sensitivity - settings for digital full-scale +12 dBu, +26 dBu
Maximum Output level +21 dBu
Crosstalk, Inputs -98 dB, 20 Hz to 20 kHz
Crosstalk, Outputs -98 dB, 20 Hz to 20 kHz
Common Mode Rejection Ratio (CMRR) >70 dB, 20 Hz to 20 kHz
AES3/EBU (sample rate converters available as desired)
Inputs and Outputs 8 inputs, 8 outputs
Supported sample rates 44.1 kHz, 48 kHz, 88.2 kHz, 96 kHz, 176.4 kHz, 192 kHz (I/O individually selectable)
Supported resolutions Up to 24-bit
THD+Noise 0.00002 % at 96 kHz and 0.00006 % at 44.1 kHz sample rate
Dynamic Range Base48 -140 dBFS, Base44 -125 dBFS
Clock selection Manual or automatic according to priority scheme
Oscillator type / Synchronization High quality VCXO clock can provide Dante master clock or slave. Automatic synchronization with Dante network.
Base48 2 (Primary and SRC)
Base44 1 (SRC)
Clock accuracy < ± 7 ppm
Dante (Audio Network)
Inputs and Outputs 4 inputs, 8 outputs
Supported sample rates 48 kHz, 96 kHz
Support redundant paths Glitch-free Dual Redundant Dante using two Ethernet networks
Receiver latency 0.5 ms, 0.8 ms, 1.3 ms, 4 ms
Inputs 2 General Purpose Inputs (GPI) supporting external contact closure
Outputs 2 General Purpose Outputs (GPO) with internal contact closure
Software configurable input control Standby state, Mute state, Dual preset recall
Software configurable output indication Standby state, Mute state, Faults, Ready
Device presets
Frame presets 100
Power requirements
Nominal Voltage 100-240 VAC
Operating Voltage 70-265 VAC
Power consumption 30 W maximum
Front panel interface
Display Daylight readable monochrome (128 x 64)
Meters LED for signal level and clip indicators per channel
Mute access Dedicated Mute button and LED indication per processing channel
Menu Intuitive and powerful user interface with soft keys
Status indication LED Fault and Warning indication and detailed description on display
Parameter Adjustment Single/multiple parameter edits with rotary encoder
Back Panel Interface
Analog Inputs and Outputs 4 + 4 XLR
AES Inputs and Outputs DB-25, with selectable termination
Ethernet Auto 100/1000, Auto uplink, 2 x Neutrik etherCON RJ45 connectors
Power Detachable locking 3-pin IEC
Control and monitoring interface Via Ethernet for Lake Controller software, or DLM (the 3rd party protocol)
Dimensions (W/H/D) 483 mm (19"), 44 mm (1 U), 290 mm (11.5")
Weight 5 Kg (11 lbs.)
Finish Black painted steel chassis with cast alumimum handles
Approvals CE, ANSI/UL 60065 (ETL), CSA C22.2 NO. 60065, FCC