Lab Gruppen PLM 20K44

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 70V: 3300 W
Hi-Z 100V: 4700 W

Max output power single channel
2 ohms: 4400 W
2.67 ohms: 5900 W
4 ohms: 4600 W
8 ohms: 2300 W
16 ohms: 1150 W
Hi-Z 70V: 3300 W
Hi-Z 100V: 4700 W

Amplifier output modules (all models, all channels)
Peak output voltage: 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 20Hz - 20 kHz for 1W: < 0.05 %
THD+N at 1kHz and 1dB 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 0.00003 %

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) 0.00022 %
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 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 voltage: 100 - 240 Volt AC 45 - 66 Hz
Operating voltage: 70-265 V AC
Mains wall plug: NEMA L5-30 "Twist lock" 125 V / 30 A, and CEE 7/7 "Schuko" 230 V / 16A

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: 32A
Power Average Limiter (PAL): Yes
Under Voltage Limiter (UVL): Yes
Mains undervoltage and overvoltage protection and mains glitch tolerance: Yes

Dimensions
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
Weight: 17 kg

Finish
Finish: Black painted steel chassis with black painted steel / aluminum front