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Lab Gruppen E4-2 Amplifier
2 channel 2x200W

OUR PART #:  E4-2

In designing the E Series...
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In designing the E Series, Lab.gruppen engineers drew upon the cutting-edge amplifier design philosophies developed for the flagship PLM™ 20000Q Powered Loudspeaker Management system, evolving these to create new circuit topologies and control features to meet the demands of 21st century AV installations. The result is a new amplifier platform called IDEEA: IntelliDrive Energy Efficient Amplifier. The principal design challenge was maintaining Lab.gruppen's impeccable sonic performance and robust power output while meeting – or exceeding – the rigorous efficiency requirements of Energy Star 2.1 certification. The challenge was met on two fronts: reducing current draw during operating cycles with vigorous program material and high output levels, and reducing power consumption during non-operational cycles.

To conform with Energy Star requirements, E Series amplifiers offer auto-power-down, which activates when no signal is detected for 20 minutes. Auto-power-on is triggered when signal is again present at the input. The GPI-type contact closure can also be used to control the power state as well as external power sequencers if desired.

E Series amplifiers are designed for ease of installation and reliable service, with notable features including a 35 Hz high-pass filter (switchable per channel), inputs and outputs on detachable Phoenix-type screw terminals, and a temperature controlled fan that turns off for low-level signals. Comprehensive circuit protection and fault indication also included.

Lab.gruppen E4-2 Amplifier Features:

  • High power density – Up to 2 Ă— 600 W in 1U
  • Certified Energy Star 2.1 compliant
  • Flexible – IntelliDrive delivers similar power per channel at 70 V, 2, 4,8 and 16 ohms
  • Asymmetric loading allows “mixing and matching” of loads with different impedances to maximize both overall system efficiency and inventory utilization
  • Patented IDEEA output stage based on Class D topology
  • High efficiency – Extremely low power consumption and heat output
  • Exceptionally low cost of ownership over lifetime
  • RSL switch circuit senses rail voltage and optimizes output for instantaneous load conditions
  • Efficient cooling – One temperature-controlled fan
  • Comprehensive circuit protection and faultindication

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