PLM 20K44

PLM 20K44

Tech Spec

ModelPLM 20K44
General
Processing / NetworkLake / Dante
Number of amplifier channels4
Total burst power all channels (share among channels with RPM)20000 W
Max output power (all channels driven)1
2 ohms4400 W
2.67 ohms5000 W
4 ohms4400 W
8 ohms2300 W
16 ohms1150 W
Hi-Z 70 V3300 W
Hi-Z 100 V4700 W
Max output power single channel1
2 ohms4400 W
2.67 ohms5900 W
4 ohms4600 W
8 ohms2300 W
16 ohms1150 W
Hi-Z 70 V3300 W
Hi-Z 100 V4700 W
Amplifier output modules (all models, all channels)
Peak output voltage194 V
Max. output current67 A
Rational Power Management (RPM)Regardless of model, any channel has potential to deliver the max single channel output power
Default voltage limitation (can be lifted with RPM configuration)194 V
Protection featuresCurrent Average Limiter (CAL), Very High Frequency Protection (VHF), Direct Current Protection (DC), Short Circuit Protection, Current-Clip Limiter, Voltage Clip Limiter, Temperature protection
Audio Performance (Amplifier platform with digital input)
THD + N 20 Hz - 20 kHz for 1 W< 0.05 %
THD + N at 1 kHz and 1 dB below clipping< 0.04 %
Dynamic range > 114 dB
Channel separation (Crosstalk) at 1 kHz> 70 dB
Frequency response (1 W into 8 Ohm, 20 Hz - 20 kHz)+/- 0.05 dB
Internal Sample Rate / Data path48 / 96 kHz / 32 bit floating point
Product propagation delay AES 96 kHz / analog input1.61 / 1.68 ms
Lake processing
Loudspeaker processingUp to 4 modules of Classic/linear-phase/FIR crossover, EQ, delay, LimiterMax™ - peak and RMS limiters
System tuningGroup control with Raised Cosine™ MESA EG™ asymmetric filters
Input redundancy / Matrix Automatic 4 level input redundancy / 4 input mixers
System integrationComprehensive 3rd party protocol over UDP Ethernet
Measurement & Analysis
Pilot tone generation and analysisYes
Load impedance analysisYes
Real Time Analyzer (RTA), 3rd party integrationYes
Dante Audio Network
Dante I/O8 x 8
Network topology / redundancyFlexible topology / Supports daisy-chained and Dual redundant networks
Sample Rates / Transport48, 96 kHz / Uni + Multicast
Network latency0.25, 0.5, 1.0, 2.0, 5.0 ms
Device presets
Local memory locations for the settings of the product100
AES Inputs
Inputs4 AES inputs
Supported sample rates / resolution44.1, 48, 88.2, 96, 176.4, 192 kHz / up to 24 bits
Sample rate conversion THD+N 20 Hz - 20 kHz unweighted0.00003 %
Analog Inputs
Inputs4 high quality inputs with Iso-Float ground isolation
Maximum input / digital reference+26 dBu / +21 dBu
Sampling rate / Resolution96 kHz / 24 bit
Input impedance balanced / unbalanced20 / 10 kOhm
THD+N (typical at 1 kHz unweighted)0.00022 %
THD+N (typical at 20 Hz and 20 kHz unweighted)0.00033 %
Limiters
Adjustable Inter-Sample Voltage Peak Limiter (ISVPL)17.8 - 194 V, step size 0.1 V
Current Peak Limiter < 300 ms67 A peak
Current Average Limiter (CAL) > 300 ms33 Arms
MaxRMS (rms voltage limiter)Yes
MaxPeak (peak voltage limiter)Yes
Gain
Amplifier gain 22 - 44 dB, step size 0.1 dB
Output attenuator-Inf to 0 dB, step size 0.25 dB
Back panel Interface
Analog, 2-channel I/O (input + link)4 x 3-pin XLR, electronically balanced
AES / EBU / I/O (input + link)2 x 3-pin XLR
Output connectorsNeutrik speakON (1 x NLT8, 2 x NLT4) or 4 Binding Posts (pairs)
Auto 10/100, Auto Uplink2 x RJ45 etherCON
Control and monitoring interfaceVia Ethernet for Lake Controller software, or DLM (the 3rd party protocol)
Detachable mains cordNeutrik PowerCon rated at 250V/32A
CoolingThree fans, front-rear airflow, temperature controlled speed
Front-panel user interface
Display2.5 inch, black / white, daylight readable LCD
Fault/Warning/Limit/Clip indicatorsRGB LEDs and detailed fault description on display
Mute and soft function buttons8 provided
Standby Power buttonOn/Standby
Mute Enable buttonEnables muting of outputs and inputs via soft-button keypad
Meter buttonToggles through meter views
Menu buttonProvides a menu driven interface for full function front panel control
Rotary EncoderYes
Exit ButtonProvides a “back” function
Mains Power
Nominal voltage100 - 240 Volt AC 45 - 66 Hz
Operating voltage 70-265 V AC
Mains wall plugNEMA L5-30 "Twist lock" 125 V / 30 A, and CEE 7/7 "Schuko" 230 V / 16 A
Power supply features
Soft start / Inrush powerYes/ Max 8 Ampere
Power Factor Correction (PFC)0.98
Regulated switch mode power supply (R.SMPS)Yes
Breaker Emulation Limiter (BEL)Configurable current threshold and breaker profile
BEL max current threshold32 A
Power Average Limiter (PAL)Yes
Under Voltage Limiter (UVL) Yes
Mains undervoltage and overvoltage protection and mains glitch toleranceYes
Dimensions
Rack rail to rear panelW: 483 mm (19"), H: 88 mm (2 U), D: 424 mm (16")
Overall depth front-rear supportD: 498 mm (19.6")
Weight
Weight17 kg (37 lbs)
Finish
FinishBlack painted steel chassis with black painted steel / aluminum front
Approvals
ApprovalsCE, ANSI / UL 60065 (ETL), CSA C22.2 NO. 60065, FCC, PSE, RCM, BIS India

Notes

  • 1. Lab.gruppen burst power (1 kHz, 25 ms burst power @ 150 BPM, 12 dB Crest factor)
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