D 80:4L Combines 8000 W 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 our renowned PLM Series – an amplifier platform with a proven record of reliability and sonic performance on the world’s most grueling concert tours and in high-profile, large-scale installations.
Features
- 8,000 Watt amplifier with 4 flexible output channels and up to 5,900 Watts channel output
- Lake digital signal processing for unparalleled loudspeaker management and system control
- Integrated 8×8 channels of dual redundant Dante* digital audio networking with AES67 support
- 4 x 2,000 Watts into 2 Ohms, 4 x 2,000 Watts into 4 Ohms, 4 x 1,500 Watts into 8 Ohms, 4 x 750 Watts into 16 Ohms, 4 x 2,000 Watts into Hi-Z 70 V, 4 x 2,000 Watts into Hi-Z 100 V
- Proven and reliable Class-TD output stage with proprietary Intercooler high-efficiency cooling system
- Rational Power Management (RPM) provides total flexibility to allocate available power across all 4 output channels
- Best-in-class Power Factor Correction (PFC) with Current Draw Modelling reduces running costs and minimizes environmental impact
- Under-Voltage Limiting (UVL) for continued operation during severe mains supply voltage drops
- Dedicated on-board surveillance and load monitoring for mass notification applications
- Redundant audio inputs and on-board system surveillance for voice alarm systems
- CAFE (Configuring Amplifiers For the Environment) software for design, system planning, equipment planning, installation and commissioning
- Control and monitoring integration with 3rd-party matrix systems including MediaMatrix* and Q-Sys* via dedicated interfacing software
- Dedicated front-panel mute buttons for each amplifier channel with bicolour LED indication
- 4 “Lake Class” analog input channels with Iso-Float ground isolation for reliable audio distribution
- 4 input channels of AES/EBU (AES3) digital audio supporting all standard sample rates up to 192 kHz with 24-bit resolution
- 2 Neutrik etherCON* RJ-45 ports provide dual redundant Dante interfaces and remote configuration via Lake Controller and Dante Controller software
- Balanced analog and digital audio inputs and amplifier outputs on plug-in Phoenix* connectors
- Detachable Neutrik powerCON* cable rated at 250 V / 32 A with variety of wall plugs selectable on order
- Removable dust filter grille for increased air circulation and simple maintenance
- Rugged 2U rackmount chassis including rear support brackets for ease of installation
Specifications
General
| Processing / Network | Lake / Dante |
| Number of amplifier channels | 4 |
| Total burst power all channels (share among channels with RPM) | 8000 W |
Max output power (all channels driven)1
| 2 ohms | 2000 W |
| 2.67 ohms | 2000 W |
| 4 ohms | 2000 W |
| 8 ohms | 1500 W |
| 16 ohms | 750 W |
| Hi-Z 70 V | 2000 W |
| Hi-Z 100 V | 2000 W |
Max output power single channel (all models)1
| 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 |
| THD + N at 1 kHz and 1 dB below clipping | < 0.04 % |
| Pilot tone generation and analysis | Yes |
| Load impedance analysis | Yes |
| 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 |
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 | 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 | 0.0000003 |
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 |
| THD+N (typical at 1 kHz unweighted) | 0.0000022 |
| THD+N (typical at 20 Hz and 20 kHz unweighted) | 0.0000033 |
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 only) NEMA 5-20P 125 V / 20 A (D 120:4 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 125 V / 30 A (Japan) |
Power supply features
| Soft start / Inrush power | Yes/ Max 8 Ampere |
| Power factor correction | > 0.98 for mains power > 400 W |
| 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
| 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 |
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