Power amplifier Lab.Gruppen PLM 12K44/SP

Product code: LG-0030

Manufacturer:
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Lab.Gruppen PLM 12K44/SP

The PLM 12K44 is the natural successor of the proven, road tested, and trusted Lab.gruppen touring foundation exemplified by the iconic PLM series, but with an additional new powerful feature set: the ability to rationalize power allocation between channels to optimize performance. Now packaged in 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 12K44 sets the benchmark for Powered Loudspeaker Management Systems.

The PLM 12K44 combines four channels of extremely powerful amplification with unrivalled signal processing and audio management. At the core of the system concept is the total integration of all devices – including networking, audio I/O, signal processing, amplifiers, power supply and connected mains supply – allowing complete control and monitoring of the entire platform, resulting in unique operational benefits.

Specs

Model: PLM 12K44

General:

  • Processing / Network Lake / Dante
  • Number of amplifier channels 4
  • Total burst power all channels (share among channels with RPM) 12000 W

Max output power (all channels driven):

  • 2 ohms 3000 W
  • 2.67 ohms 3000 W
  • 4 ohms 3000 W
  • 8 ohms 1900 W
  • 16 ohms 950 W
  • Hi-Z 70 V 3000 W
  • Hi-Z 100 V 3000 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 70 V 3300 W
  • Hi-Z 100 V 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) 175 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

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 / 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 25 A
  • 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")

Weight: 16.5 kg

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