LM 44

LM 44

Tech Spec

ModelLM 44
Features
Module configuration2 Contour or 4 Mesa modules
Channel processing6 in Contour mode, 4 in Mesa mode
Input routers8 input routers with 4 priorities in each, seamless failover to lower priorities
Module input mixer4 ch. for Contour, 8 ch. for Mesa-modules. Mix any ratio between all input routers.
Input processingParameteric EQ with Mesa and Ideal Graphic equalizers, both utilizing Raised Cosine algorithms
Output processingLinear phase or Classic crossovers, Parametric EQ, shelving and all-pass filters
FeaturesDelay, Mute, Phase, Gain etc.
LimitersLimiterMax with Peak and RMS limiter. Confi gurable MaxRMSLevel, MaxRMSCorner, MaxRMSAttack, MaxRMSRelease and MaxPeakLevel
SuperModule compatibleYes
Audio Performance
Conversion resolution24-bit
Internal Sample Rate / Data path96 kHz / 32 bit floating point
Product propagation delayBest 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 delay2 seconds
Analog
Inputs and Outputs4 inputs, 4 outputs
Frequency response, analog-to-digital+/-0.1 dB, 20 Hz to 20 kHz
Frequency response, digital-to-analog+/-0.03 dB, 20 Hz to 20 kHz
THD+Noise, inputs0.00024% typical at 1 kHz
THD+Noise, Outputs0.00037% typical at 1 kHz
Dynamic range, inputs116 dB
Dynamic range, Outputs115 dB
Input impedance20 kOhm balanced, 10 kOhm unbalanced
Output impedance50 ohms
Maximum input level+26 dBu
Input sensitivity - settings for digital full-scale+12 dBu, +26 dBu
Maximum output level21 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
Dante Audio Network
Inputs and Outputs4 inputs, 8 outputs
Supported sample rates48, 96 kHz
Support redundant pathsGlitch-free Dual Redundant Dante using two Ethernet networks
Receiver latency0.5 ms, 0.8 ms, 1.3 ms, 4 ms
Device presets
Frame presets100
AES3/EBU (sample rate converters available as desired)
Inputs and Outputs8 inputs, 8 outputs
Supported sample rates44.1 kHz, 48 kHz, 88.2 kHz, 96 kHz, 176.4 kHz, 192 kHz (I/O individually selectable)
Supported resolutionsUp to 24-bit
THD + Noise0.00002 % at 96 kHz and 0.00006 % at 44.1 kHz sample rate
Dynamic range Base48 -140 dBFS, Base44 -125 dBFS
Clocking
Clock selectionManual or automatic according to priority scheme
Oscillator type / synchronizationHigh quality VCXO clock can provide Dante master clock or slave. Automatic synchronization with Dante network.
Base482 (Primary and SRC)
Base441 (SRC)
Clock accuracy< ± 7 ppm
GPIO
Inputs2 General Purpose Inputs (GPI) supporting external contact closure
Outputs2 General Purpose Outputs (GPO) with internal contact closure
Software configurable input controlStandby state, Mute state, Dual preset recall
Software configurable output indicationStandby state, Mute state, Faults, Ready
Back panel Interface
Analog Inputs and Outputs4 + 4 XLR
AES Inputs and OutputsDB-25, with selectable termination
Ethernet PortsAuto 100/1000, Auto uplink, 2 x Neutrik etherCON RJ45 connectors
GPIODB-9
PowerDetachable locking 3-pin IEC
Control and monitoring interfaceVia Ethernet for Lake Controller software, or DLM (the 3rd party protocol)
Front-panel user interface
DisplayDaylight readable monochrome (128 x 64)
MetersLED for signal level and clip indicators per channel
Mute accessDedicated Mute button and LED indication per processing channel
MenuIntuitive and powerful user interface with soft keys
System status indication LED Fault and Warning indication and detailed description on display
Parameter adjustmentSingle/multiple parameter edits with rotary encoder
Power
Nominal voltage100 – 240 VAC
Operating voltage 70-265 V AC
Power consumption30 W maximum
Dimensions
Dimensions483 mm (19"), 44 mm (1 U), 290 mm (11.5")
Weight
Weight5 kg (11 lbs)
Finish
FinishBlack painted steel chassis with cast alumimum handles
Approvals
ApprovalsCE, ANSI/UL 60065 (ETL), CSA C22.2 NO. 60065, FCC
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