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Lab Gruppen D80-4L
4 x 2000W, Lake Amplifier

OUR PART #:  D80-4L

Lab.gruppen's D 80:4L combines 8,000 watts of flexible power with the latest Lake DSP, Dante digital audio networking and advanced system integrity monitoring.
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Lab.gruppen's D 80:4L combines 8,000 watts of flexible power with the latest Lake DSP, Dante digital audio networking and advanced system integrity monitoring. The D 80:4L is based on the same foundation of robust, high-power amplifier technologies as their PLM Series – an amplifier platform with a record of reliability and sonic performance across grueling concert tours and high-profile, large-scale installations.

With the D 80:4L, those core technologies have been updated to provide a solution for demanding, digitally-networked installed sound applications – in stadia, arenas, theme parks, performing arts centers, racecourses and other large commercial sound installations.
In addition to Lab.gruppen's reliability and sonic quality, the D Series incorporates refined outputs and stage technologies along with installation-targeted hardware and software features that optimize amplifier system design and configuration. Together, these technologies allow systems integrators to minimize both initial equipment costs and end users’ long-term energy consumption.

Rational Power Management (RPM)
The D Series platform is highlighted by Rational Power Management (RPM) - a proprietary Lab.gruppen technology that allows system designers and integrators freedom to allocate the output power available on each channel for optimum performance with specific load conditions. RPM technology also enables the integrator to minimize initial equipment costs and reduce rack space requirement, since with conventional installation amplifiers it is often necessary to “over-specify” amplifiers to meet the maximum power demand on one channel. This leaves excess power capacity wasted on the remaining channels. RPM reduces costly excess capacity by allowing re-allocation of output power capacity among the four channels - with each channel on the D 80:4L capable of delivering up to 2,000 W power output, leaving any remaining available power to be allocated for less demanding loads.  

CAFE for Green Credentials
The D 80:4L can be configured and monitored using the CAFE (Configuring Amplifiers For the Environment) software suite. In addition to providing comprehensive system surveillance and configuration of RPM features, CAFE includes an innovative design aid – the Equipment Specification Predictor (ESP) – that provides tools for optimum specification of D Series units. ESP examines the system and load requirements and then supplies recommendations for the installation that include model and quantity of D Series units, heat generated, channel distribution, and current draw. The end result is accurate mains management and precise specification of cooling systems and UPS, when required.

The Power of Lake Processing
All D Series Lake versions provide extraordinary input flexibility, the power of exclusive Lake processing algorithms, comprehensive control and load monitoring via Lake Controller, and seamless integration into Dante digital audio networks. By employing third-party middleware, D Series Lake versions can be integrated into on other widely used networked digital matrix systems.

All three D Series Lake models incorporate four full-featured Lake Processing modules, with four discrete channels of audio throughput input to output. Audio signals are selectable from four channels of analog (each with exclusive Iso-float ground isolation), four channels of AES3 digital, and eight dual redundant Dante networked digital inputs. Input signals are individually selectable for each channel, with programmable failover to analog. The full-featured, on-board Lake processor includes group control with Raised Cosine™ MESA EQ™ asymmetric filters to match the responses of many loudspeaker systems.  LimiterMax™ peak and RMS limiters set a standard for loudspeaker protection and sonic transparency.

Lab.Gruppen D80:4L Features:

  • Rational Power Management™ (RPM) – True flexibility in allocating total available power output across channel count for most efficient use of system inventory
  • Up to 5,000 Watts per channel for driving high power elements (e.g. subwoofers) on all models
    • One channel on D 80:4
  • Lake processing Classic/linear-phase/FIR speaker processing platform with 4 throughputs
  • Input with multitude of automatic redundancy
  • 4 “Lake class” analog inputs with Iso-Float™ ground isolation
  • 4 AES inputs
  • 8 Dual Redundant Dante™ inputs
  • 4 “Lake class” analog inputs with Iso-Float™ ground isolation
  • 4 AES inputs
  • 8 Dual Redundant Dante™ inputs
  • Integration potential with 3rd party matrix systems including MediaMatrix and Q-Sys via purpose developed middleware
  • CAFÉ (Configuring Amplifiers For the Environment) Software
    • Incorporates ESP (Equipment Specification Predictor) for design, system planning and equipment planning, installation and commissioning.
  • Regulated Switch-Mode Power Supply (R.SMPS™)
  • Breaker Emulation Limiter (BEL™) to prevent power interruption
  • Under-voltage Limiting (UVL™) for continued operation despite severe voltage drops
  • Best-in-class Power Factor Correction (PFC) with Current Draw Modelling
  • Proven and reliable Class TD® Output Stage with patented Intercooler® high-efficiency cooling system
  • Dedicated on-board surveillance & load monitoring system
  • Redundant audio inputs and onboard system surveillance for mission-critical Voice Alarm applications (PA/VA)
  • Detachable Phoenix plug-in audio connectors for audio I/O

Lab.Gruppen D80:4L Specifications:

  • General
    • Processing / Network: Lake / Dante
    • Number of channels: 4
    • Total burst power all channels (share among channels with RP): 8000 W
  • Max Output Power All Channels Driven*
    • 2 Ohms (per channel): 2000 W
    • 2.67 Ohms (per channel): 2000 W
    • 4 Ohms (per channel): 2000 W
    • 8 Ohms (per channel): 1500 W
    • 16 Ohms (per channel): 750 W
    • Hi-Z 70V (per channel): 2000 W
    • Hi-Z 100V (per channel): 2000 W
  • Max Output Power Single Channel (AllModels)*
    • 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, AllChannels)
    • 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 (1 channel on D 80:4, 2 channels on D 120:4)
    • Default voltage limitation (can be lifted with RPM configuration): 155 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
  • Amplifier Platform
    • Inter Sample Voltage Peak Limiter (ISVPL): Configurable Peak voltage threshold and profile
    • Amplifier gain: Digital configurable amplifier gain 22-44 dB
    • Pilot tone generation and analysis
    • Load impedance analysis
    • Temperature control: Regulated fans and show must go on limitation (ATL, PTL)
  • Audio Performance (Amplifier Platform with DigitalInput)
    • 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 - 20kHz): +/- 0.05 dB
    • Internal Sample Rate / Data path: 48 kHz / 32 bit floating point
    • Product propagation delay AES 96 kHz / analog input: 1.61 / 1.68ms
  • 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
  • Dante Audio Network
    • Dante I/O 8x8
    • 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
  • 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
    • THD+N (typical at 1 kHz unweighted): 0.00022 %
    • THD+N (typical at 20 Hz and 20 kHz unweighted): 0.00033 %
  • AES Inputs
    • Inputs: 2 AES inputs (4 audio channels)
    • 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 %
  • Back Panel Interface
    • Analog inputs: 4 x Terminal block connectors analog input with +, - and ground
    • AES inputs: 4 x Terminal block connectors analog input with +, - and ground
    • Output connectors: 4 x 2 pole Terminal block connectors rated at 1000 V / 76 A (exceeding amplifier capacity)
      • Can take up to 16 mm2 (6 AWG) cables
    • Ethernet Ports: 2 x EtherCon RJ45 100/1000 Base-T for the Lake Controller, Dante controller and/or DLM (3rd party protocol)
    • Detachable mains cord Neutrik PowerCon rated at 250V/32A
  • Front-Panel User Interface
    • System status indication: 3 x 3 colored LED. FRAME, TEMP, PSU for device status indication
    • Channel status indication: 3 x 3 colored LED per channel.
      • Status indication separated for channel LOAD, AMP, SIGNAL status
    • Mute: Per channel touch button for mute control and bicolored LED for indication
    • Power: Touch button for ON/STANDBY control and bicolored LED for power state indication
    • Select: Touch button and LED for bidirectional Device -Software select functionality
  • Mains Power
    • Nominal voltage: 100-240 Volt AC 50-60 Hz
    • Operating voltage: 70-265 V AC
    • Mains wall plug: Selectable on order, CEE 7/7 “Schuko” 230 V / 16 A, NEMA L5-30 “Twistlock” 125 V / 30 A, NEMA 5-15P 125 V / 15 A (D 80:4 models only), NEMA 6-20P 250 V / 20 A, AS/NZS 3112 230 V / 15 A (Aus/Nz), BS 546 230 V / 16 A (India), C-30P 125V / 30A (Japan)
  • Power Supply Features
    • Soft start / Inrush power: Yes/ Max 8 Ampere
    • Power factor correction: > 0.98 for mains power > 400W
    • Regulated switch mode power supply (R.SMPS)
    • Breaker Emulation Limiter (BEL): Configurable current threshold and breaker profile
    • BEL max current threshold: 15 A
    • Power Average Limiter (PAL)
    • Under Voltage Limiter (UVL)
    • Mains undervoltage and overvoltage protection and mains glitch tolerance
  • 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: 463 mm
  • Weight
    • Weight: 14.5 kg (32 lbs)
  • Finish
    • Finish: Black painted steel chassis with grey painted steel front with detachable grille
  • Approvals
    • Approvals: CE, ETL (ANSI/UL, CSA), PSE, RCM
      *Note: Lab.gruppen burst power (1 kHz, 25 ms burst power @ 150 BPM, 12 dB Crest factor)

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