LA 10.4D

This dedicated system amplifier was designed for maximum ease of operation, versatility and control, when powering the L-Line line array systems.

The amplifier has high-quality integrated DSP processing, Dante® networked-audio and remote network control. Most importantly there are system tuning and optimization tools at your fingertips such as parametric EQ, delay and FIR filtering.

LA 10.4D is a four-channel system amplifier with a power output of 4x 2.570W per channel. The 4 Ω minimum impedance support allows for a large number of speakers to be connected.

Dedicated software for planning, analyzing and executing your application will be available in the future. With an intuitive user interface, professional audio toolkit and comprehensive network control, you’ll be able to optimize your workflow as well as save time and money.

Max. configuration:
1x LA 10.4D (4 channel mode)
16x L 35 (4 pieces / channel)

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Features

LA 10.4D 2

Connectivity

LA 10.4D power amplifier is equipped with 3 most widely used analog input and output connections in professional audio. 2 channel XLR inputs with link outputs together with Phoenix MSTB 3-pin inputs will cover most of the input needs. Outputs are equipped with 3x Neutrik speakON® connectors in parallel with 4-pin Phoenix MSTB connectors for maximum flexibility.

LA 10.4D 3

Integrated DSP

48/96kHz DSP processor provides all L-line speakers with correct and precise filter, EQ and limiter settings. As always - good sounding and well protected speaker systems are the ultimate aim of the SE AUDIOTECHNIK engineering team. Built-in speaker presets, EQ control, delay and other features allow for an easy, cost-effective and quick system setup and tuning

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Specifications

LA 10.4D 4
Model:
ELECTRICAL
Type: Networked DSP amplifier with 4x BTL Class D and Switch Mode Power Supply
Channels: Four
Output Power*: 4 x 1200 W @ 8 Ω, 1 kHz, 1%THD
4 x 1390 W @ 8 Ω, 1 kHz, 2%THD
4 x 1720 W @ 4 Ω, 1 kHz, 1%THD
4 x 2570 W @ 4 Ω, 1 kHz, 2%THD
4 x 1460 W @ 8 Ω, 50 Hz, 4%THD
4 x 1550 W @ 4 Ω, 50 Hz, 4%THD
Minimum load impedance: 4 Ω
Frequency response (Line In) (4 Ω): 20 Hz to 20 kHz: -1 dB
Damping factor: 8 Ω: > 500 @ 1 kHz
4 Ω: > 250 @ 1 kHz
Input impedance: > 20 kΩ balanced
Maximum input level: +23 dBu
SNR Line In to Spk out: 110,7 dB, 113,5 dB(A) (@1500 W/8 Ω, +42 dBu)
Noise Floor: -68,7 dBu (280 uV), -71,5 dBu(A) (200 uV(A))
Channel crosstalk: -97,8 dB
THD+N: < 0.0087% at 175 W into 4 Ω (1/8th of Rated Power)
< 0.0095% at 350 W into 4 Ω (1/4th of Rated Power)
DSP: 48/96 kHz, 32 bit SHARC CPU with floating point processing
System latency: 1 ms to 10 ms (preset dependent)
Protection: Short circuit, overheating, overcurrent
Cooling: Two fans with temperature dependant speed and tacho feedback
Front-to-back air flow
Power efficiency: Up to 76%
Power consumption (both PowerCON® summed): Off: 3 W
Idle: 70 W
at 1/8 of Rated power: 1000 W
at 1/4 of Rated power: 2000 W
at 1/3 of Rated power: 2666 W
Peak power: 8000 W
Inrush current (per PowerCON®): 40 A (<1 ms) when connected to mains 9 A (<250 ms) when switching on
Operating voltage range: 90 – 265 VAC 50/60 Hz
HARDWARE
Indicators: 4x Input signal level Led: -30dB, -12dB, -6dB, Clip
4x Channel Led: Mute, Active, -30dB, -12dB, -6dB, Limit, Protect
6x Status Led: Dante, AES1+2, AES3+4, LAN, Stand-By, Fault
Screen: 3.5" TFT Color display with Touch Panel & 320 x 240 resolution RGB
User controls: Control encoder with push-button
Touch Screen
4x channel MUTE
Power On - Power On
Input signal connectors: 4x XLR-3 male line-level inputs and buffered link outputs
2x XLR-3 male AES/EBU inputs and buffered link outputs
1x Dante® Ultimo 4ch input via separate etherCON terminal
1x Network control via separate etherCON terminal
1x Front USB
Output signal connectors: 4x Neutrik SpeakON® NL4 outputs
Power connector: 2x Neutrik PowerCON® 20 A
SOFTWARE
DSP Features: Levels, Parametric EQ, Delay, Phase, RMS Limiter, Peak Limiter, IIR/FIR Filtering
Configuration handling: Loading of factory presets provided by SE Audiotechnik®
Saving and recalling of user presets
Remote control via network: Controlling of individual amplifiers or parameter-groups in distributed amplifiers via desktop software
Configuring of arbitrary numbers of amplifiers with parameters resulting from venue-sound field simulations
Monitoring: Temperatures
Fan speeds
Voltages
Connection states
Fault states
System events
Runtime
MECHANICAL
Product Dimensions [H x W x D]: 89 x 483 x 480 mm / 2 RU
Net weight: 14.5 kg
Packaging dimensions [H x W x D]: 143 x 588 x 380 mm
Total weight: 7.65 kg
Cabinet: Aluminum front panel, steel housing
Rack mounting: Four frontal 6 mm holes at sides
Operating ambient temperature range: [5°C ; 40°C]
Storage temperature range: [-20°C ; 90°C]
Ingress Protection: IP20
All product specifications are subject to change without prior notice. * According to CEA-2006.

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