Lab Gruppen D 80:4L

Lab Gruppen D 80:4L Specifications

• 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 (all models)

• 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 (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:Yes
• Load impedance analysis:Yes
• Temperature control: Regulated fans and show must go on limitation (ATL, PTL)

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 – 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 / 1.68 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

Dante Audio Network

• Dante I/O:8×8
• 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

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 k/ 10 kO hm
• 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 6-20 250 V / 20 A

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):Yes
• Breaker Emulation Limiter (BEL):Configurable current threshold and breaker profile
• BEL max current threshold:15 A
• Power Average Limiter (PAL):Yes
• Under Voltage Limiter (UVL):Yes
• Mains undervoltage and overvoltage protection and mains glitch tolerance:Yes

Dimensions

• Dimensions: W: 483 mm (19″), H: 88 mm (2 U), D: 424 mm (16″)
• Overall depth front-rear support: D: 463 mm
• Weight: 14.5 kg (32 lbs)