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User Manual for Lab.Gruppen E 5:4 E-Series 500W Amplifier Click to enlarge the picture
Contents of the user manual for the Lab.Gruppen E 5:4 E-Series 500W Amplifier
- Product category: Power Amplifiers Lab.Gruppen
- Brand: Lab.Gruppen
- Description and content of package
- Technical information and basic settings
- Frequently asked questions – FAQ
- Troubleshooting (does not switch on, does not respond, error message, what do I do if...)
- Authorized service for Lab.Gruppen Power Amplifiers
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User manual for the Lab.Gruppen E 5:4 E-Series 500W Amplifier contain basic instructions
that need to be followed during installation and operation.
Before starting your appliance, the user manual should be read through carefully.
Follow all the safety instructions and warnings, and be guided by the given recommendations.
User manual is an integral part of any Lab.Gruppen product,
and if it is sold or transferred, they should be handed over jointly with the product.
Following the instructions for use is an essential prerequisite for protecting
health and property during use, as well as recognition of liability on the part of the manufacturer
for possible defects should you make a warranty claim. Download an official Lab.Gruppen user manual in which you will find instructions on how to install, use, maintain and service your product.
And do not forget – unsuitable use of a Lab.Gruppen product will considerably shorten its lifespan!
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Product description 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
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Technical parametersLab.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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