Lab.Gruppen E 5:4 E-Series 500W Amplifier (4 x 125W)

BH #LAE54US • MFR #992267011
Lab.Gruppen
Lab.Gruppen E 5:4 E-Series 500W Amplifier (4 x 125W)
Key Features
  • High-Power Density: 4 x 125W
  • IntelliDrive for Consistent Performance
  • Asymmetric Loading
  • IDEEA Output on Class-D Topology
Building upon Lab.Gruppen's touring amplifier technology, the E-Series E 5:4 Amplifier is a four-channel amplifier with professional-quality sound and rock-solid durability, well suited for the installation market including bars & restaurants, retail outlets, performing arts centers, hotels, houses of worship, schools, museums & galleries, theme parks, and convention centers.
Special Order
Expected availability: 7-14 business days
$1,299.00

Important Notice

  • This item is noncancelable and nonreturnable.

Lab.Gruppen E 5:4 E-Series 500W Amplifier (4 x 125W)

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Lab.Gruppen 992267011 Overview

Building upon Lab.Gruppen's touring amplifier technology, the E-Series E 5:4 Amplifier is a four-channel amplifier with professional-quality sound and rock-solid durability, well suited for the installation market including bars & restaurants, retail outlets, performing arts centers, hotels, houses of worship, schools, museums & galleries, theme parks, and convention centers.

The E 5:4 utilizes Lab.Gruppen's IntelliDrive Energy Efficient Amplifier (IDEEA) technology, which produces high-power levels with low distortion, while drawing minimal mains current. The built-in Rail Sensing Limiter (RSL) greatly reduces signal clipping to ensure high-quality audio output at all times. The RSL senses rail voltages and optimizes each output for instantaneous load conditions. RSL settings also facilitate asymmetric loading of the channels to optimize performance and efficiency. Total available output power can be allocated among the channels as required by the application, making it possible, for example, to drive a small sub on one channel, a number of 70 V ceiling loudspeakers on the second channel, and a pair of full-range low-impedance loudspeakers on the two remaining channels.

The four-channel amplifier offers 125W per channel or 500W total output. The front panel offers LED indicators, but lacks controls for security purposes. The rear panel offers potentiometers for level adjustment, as well as a variety of limit and gain switches for each channel. All input and output connectors use detachable screw terminals. The Lab.Gruppen E 5:4 ships with a power cord and several phoenix connectors for input, output and GPI/GPO power controls.

  • High-Power Density: 4 x 125 W in 1 RU
  • Certified Energy Star compliant
  • IntelliDrive delivers comparable power per channel at 70 V or Low-Z (4, 8 and 16 ohms)
  • Asymmetric Loading: Allows “mixing and matching” of loads with different impedances to maximize system efficiency and inventory utilization
  • IDEEA output state based on patented Class-D variant
  • Low lifetime operating costs
  • High Efficiency: Low-power consumption and low-heat output
  • Auto-Standby Function: Power consumption < 1 W in standby mode
  • RSL Switch: Smart circuit senses rail voltage and optimizes output for instantaneous load conditions
  • Efficient Cooling: Dual temperature-controlled fans
  • Comprehensive circuit protection and fault indication

Lab.Gruppen 992267011 Specs

Number of Channels4
Total Output Power500 W
Peak Output VoltagePer Channel: 100 V / 70 Vrms
Maximum Output Current9.9 Arms
Maximum Output PowerAll Channels Driven
2 Ohms: N.R.
4 Ohms: 125 W
8 Ohms: 125 W
16 Ohms: 125 W (requires the “70 V” mode for the RSL, “Lo-Z” gives 63 W)
70 V: 125 W
100 V: Can deliver 125 W to a 100 V load tapped at 250 W
THDTHD: <0.1% (20 Hz to 20 kHz at 1 W)
THD at 1 kHz and 1 dB Below Clipping: <0.05%
Signal to Noise Ratio>112 dBA
CrosstalkChannel Separation at 1 kHz: >70 dB
Frequency Response2 Hz to 40 kHz
Input Impedance20 kOhms
Common Mode RejectionCMR: 50 dB
Output Impedance25 mOhms
Limit SwitchesLimit and Gain Switch Defining Limit and Gain (per Channel): Lo-Z and 70 V
VPLVPL for 70 V Mode: 100 V
VPL for Lo-Z Mode: 44.7 V
SensitivitySensitivity for Stated Power
Into 8 Ohms in Lo-Z Mode: 4 dBu
70.7 V Out in 70 V Mode: 4 dBu
Into 4 Ohms in Lo-Z Mode: 1 dBu
Into 16 Ohms in 70 V Mode: 0 dBu
GainGain in 70 V Mode: 35.2 dB
Gain in Lo-Z Mode: 28.2 dB
Output Level AdjustmentRear panel potentiometer, from -inf to 0 dB
Input Connector3-pin detachable screw terminals, electronically balanced (per channel)
Output Connector2-pin detachable screw terminals (per channel)
High Pass FilterFixed at 50 Hz, switchable per channel
Power ControlCan be used to go between standby and on
GPIGPI (Power Control Input): Contact closure type, 2-pin detachable screw terminal, controls the power state
GPO OutputGPO (Power State Output): Contact closure type, 2-pin detachable screw terminal, for external monitoring of the power state
CoolingTwo fans, front-rear airflow, temperature controlled speed
FinishDark grey aluminum front and black steel chassis
ApprovalsCE, ANSI/UL 60065 (ETL), CSA, CCC, PSE, Energy Star
PowerNominal Voltage: 100 to 240 VAC
Operating Voltage: 85 to 265 VAC
Standby Consumption: <1 W
Mains Connector: IEC inlet
Dimensions (W &#215; H &#215; D)19.0 x 1.7 x 15.0" / 483.0 x 44.0 x 381.0 mm
Weight13.2 lb / 6.0 kg
Packaging Info
Package Weight16.955 lb
Box Dimensions (LxWxH)22.3 x 19.8 x 4.6"
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