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

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

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

B&H # LAE54US MFR # 992267011
Lab.Gruppen E 5:4 E-Series 500W Amplifier (4 x 125W)

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

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Product Highlights

  • High-Power Density: 4 x 125W
  • IntelliDrive for Consistent Performance
  • Asymmetric Loading
  • IDEEA Output on Class-D Topology
  • Highly Efficient
  • Auto-Standby Function: <1 W
  • RSL Switch for Optimized Output
  • Comprehensive Circuit Protection
  • Includes Power Cord and GPI and GPO
  • Includes Phoenix Connectors for All I/O
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This item is noncancelable and nonreturnable.

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Lab.Gruppen 992267011 overview

  • 1Description

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
In the Box
Lab.Gruppen E 5:4 E-Series 500W Amplifier (4 x 125W)
  • Power Cord
  • 4 x Phoenix Input Connectors
  • 4 x Phoenix Input Connectors
  • GPI Phoenix Input / Output Connector
  • Limited 10-Year Warranty
  • Table of Contents
    • 1Description

    Lab.Gruppen 992267011 specs

    Number of Channels 4
    Total Output Power 500 W
    Peak Output Voltage Per Channel: 100 V / 70 Vrms
    Maximum Output Current 9.9 Arms
    Maximum Output Power All 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
    THD THD: <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
    Crosstalk Channel Separation at 1 kHz: >70 dB
    Frequency Response 2 Hz to 40 kHz
    Input Impedance 20 kOhms
    Common Mode Rejection CMR: 50 dB
    Output Impedance 25 mOhms
    Limit Switches Limit and Gain Switch Defining Limit and Gain (per Channel): Lo-Z and 70 V
    VPL VPL for 70 V Mode: 100 V
    VPL for Lo-Z Mode: 44.7 V
    Sensitivity Sensitivity 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
    Gain Gain in 70 V Mode: 35.2 dB
    Gain in Lo-Z Mode: 28.2 dB
    Output Level Adjustment Rear panel potentiometer, from -inf to 0 dB
    Input Connector 3-pin detachable screw terminals, electronically balanced (per channel)
    Output Connector 2-pin detachable screw terminals (per channel)
    High Pass Filter Fixed at 50 Hz, switchable per channel
    Power Control Can be used to go between standby and on
    GPI GPI (Power Control Input): Contact closure type, 2-pin detachable screw terminal, controls the power state
    GPO Output GPO (Power State Output): Contact closure type, 2-pin detachable screw terminal, for external monitoring of the power state
    Cooling Two fans, front-rear airflow, temperature controlled speed
    Finish Dark grey aluminum front and black steel chassis
    Approvals CE, ANSI/UL 60065 (ETL), CSA, CCC, PSE, Energy Star
    Power Nominal Voltage: 100 to 240 VAC
    Operating Voltage: 85 to 265 VAC
    Standby Consumption: <1 W
    Mains Connector: IEC inlet
    Dimensions (W × H × D) 19.0 x 1.7 x 15.0" / 483.0 x 44.0 x 381.0 mm
    Weight 13.2 lb / 6.0 kg

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