frontal plm20k44
frontal plm20k44
trasera plm20k44

Powered Loudspeaker Management System

  • 20,000 Watt Amplifier with 4 Flexible Output Channels, LAKE Digital Signal Processing and Dante Digital Audio Networking for Touring Applications.
  • The PLM 20K44 Combines a 4-In, 4-Out Configuration With Industry-Standard Dante Networking, Setting The Benchmark For Powered Loudspeaker Management System.
  • The PLM 20K44 is the natural successor of the proven, road tested, and trusted LAB GRUPPEN touring foundation exemplified by the iconic PLM 20000Q. Now offering an extended 4-in, 4-out configuration together with twice the processing power via the latest version 6.3 Lake Controller release, plus industry-standard Dante® networking, the PLM 20K44 sets the benchmark for Powered Loudspeaker Management Systems.
  • The PLM 20K44 features the legendary power of exclusive LAKE Processing algorithms, incorporating four full-featured LAKE modules with four discrete channels of audio throughput input to output. Audio signals are selectable from four channels of analog (with Iso-Float ground isolation), four channels via AES3 digital inputs and eight dual redundant Dante networked digital inputs. Input signals are individually selectable for each channel, with programmable failover to a lower prioritized input.
  • CAFÉ (Configuring Amplifiers For the Environment) is a software suite that allows the PLM 20K44 to be easily configured and monitored in the most efficient manner possible. In addition to providing comprehensive system surveillance and configuration of amplifier features such as ISVPL and Breaker Emulation Limiter (BEL), CAFÉ also includes valuable help to save the environment. CAFÉ can accurately predict estimations of average mains current draw and generated heat, and utilizing the PLM+ Series’ innovative power supply technologies in combination with BEL the mains draw can be safeguarded to a predicted level. The end result is precise mains management and thermal control, which allows more accurate provision of mains distribution, cabling and cooling. CAFÉ reduces lifetime running costs and minimizes environmental impact, and also reduces demands on UPS systems.
  • RPM Provides ultimate flexibility of power output allocation across channels to match specific load requirements, enabling more efficient use of amplifier inventory.
  • PLM+ offers unprecedented levels of refined performance, double the processing power, and even better overall efficiency – proven, tested and trusted.
  • LAB GRUPPEN’s dedicated integrated software provides comprehensive system surveillance, reducing running costs and minimising environmental impact.
  • General
    Processing / Network: Lake / Dante
    Number of amplifier channels: 4
    Total burst power all channels (share among channels with RPM): 20000 W
  • Max output power (all channels driven)1
    2 ohms: 4400 W
    2.67 ohms: 5000 W
    4 ohms: 4400 W
    8 ohms: 2300 W
    16 ohms: 1150 W
    Hi-Z 70 V: 3300 W
    Hi-Z 100 V: 4700 W
  • Amplifier output modules (all models, all channels)
    Peak output voltaje: 194 V
    Max. output current: 67 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 features: Current 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 path: 48 / 96 kHz / 32 bit floating point
    Product propagation delay AES 96 kHz / analog input: 1.61 / 1.68 ms
  • Lake processing
    Loudspeaker processing: Up to 4 modules of Classic/linear-phase/FIR crossover, EQ, delay, LimiterMax™ – peak and RMS limiters
    System tuning: Group control with Raised Cosine™ MESA EG™ asymmetric filters
    Input redundancy / Matrix: Automatic 4 level input redundancy / 4 input mixers
    System integration: Comprehensive 3rd party protocol over UDP Ethernet
  • Measurement & Analysis
    Pilot tone generation and analysis: Yes
    Load impedance analysis: Yes
    Real Time Analyzer (RTA), 3rd party integration: Yes
  • Dante Audio Network
    Dante I/O: 8 x 8
    Network topology / redundancy: Flexible topology / Supports daisy-chained and Dual redundant networks
    Sample Rates / Transport: 48, 96 kHz / Uni + Multicast
    Network latency: 0.25, 0.5, 1.0, 2.0, 5.0 ms
  • Device presets
    Local memory locations for the settings of the product: 100
  • AES Inputs
    Inputs: 4 AES inputs
    Supported sample rates / resolution: 44.1, 48, 88.2, 96, 176.4, 192 kHz / up to 24 bits
    Sample rate conversion THD+N 20 Hz – 20 kHz unweighted: 0.0000003
  • Analog Inputs
    Inputs: 4 high quality inputs with Iso-Float ground isolation
    Maximum input / digital reference: +26 dBu / +21 dBu
    Sampling rate / Resolution: 96 kHz / 24 bit
    Input impedance balanced / unbalanced: 20 / 10 kOhm
    THD+N (typical at 1 kHz unweighted): 0.0000022
    THD+N (typical at 20 Hz and 20 kHz unweighted): 0.0000033
  • Limiters
    Adjustable Inter-Sample Voltage Peak Limiter (ISVPL): 17.8 – 194 V, step size 0.1 V
    Current Peak Limiter < 300 ms: 67 A peak Current Average Limiter (CAL) > 300 ms: 33 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 connectors: Neutrik speakON (1 x NLT8, 2 x NLT4) or 4 Binding Posts (pairs)
    Auto 10/100, Auto Uplink: 2 x RJ45 etherCON
    Control and monitoring interface: Via Ethernet for Lake Controller software, or DLM (the 3rd party protocol)
    Detachable mains cord: Neutrik PowerCon rated at 250V/32A
    Cooling: Three fans, front-rear airflow, temperature controlled speed
  • Front-panel user interface
    Display: 2.5 inch, black / white, daylight readable LCD
    Fault/Warning/Limit/Clip indicators: RGB LEDs and detailed fault description on display
    Mute and soft function buttons: 8 provided
    Standby Power button: On/Standby
    Mute Enable button: Enables muting of outputs and inputs via soft-button keypad
    Meter button: Toggles through meter views
    Menu button: Provides a menu driven interface for full function front panel control
    Rotary Encoder: Yes
    Exit Button: Provides a “back” function
  • Mains Power
    Nominal voltaje: 100 – 240 Volt AC 45 – 66 Hz
    Operating voltaje: 70-265 V AC
    Mains wall plug: NEMA L5-30 «Twist lock» 125 V / 30 A, and CEE 7/7 «Schuko» 230 V / 16 A
  • Power supply features
    Soft start / Inrush power: Yes/ 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 threshold: 32 A
    Power Average Limiter (PAL): Yes
    Under Voltage Limiter (UVL): Yes
    Mains undervoltage and overvoltage protection and mains glitch tolerance: Yes
  • Rack rail to rear panel: W: 483 mm (19″), H: 88 mm (2 U), D: 424 mm (16″)
  • Overall depth front-rear support: D: 498 mm (19.6″)
  • Weight: 17 kg (37 lbs)
  • Finish: Steel painted steel chassis with black painted steel / aluminum front