The E 40:4 has smart green credentials delivering low lifetime cost of ownership. Building on Lab Gruppen’s touring reputation for sonic excellence and rock-solid durability, E Series brings a competitive edge to the installation market by adding ultra-compact size, high operating efficiency, output configuration flexibility, and unprecedented cost-benefit ratio.
Features
- 4,000 W amplifier carrying 4 flexible output channels in a high power density 1 rack unit form factor saves rack space and system cost
- Energy efficient for supreme green credentials and exceptionally low lifetime running costs
- 4 x 900 Watts into 2 Ohms, 4 x 1,000 Watts into 4 Ohms, 4 x 1,000 Watts into 8 Ohms, 4 x 625 Watts into 16 Ohms, 4 x 1,000 Watts into Hi-Z 70 V, 4 x 1,000 Watts into Hi-Z 100 V
- Asymmetric channel loading allows mixing and matching loads with different impedances to maximize overall system efficiency and inventory utilization
- High efficiency amplifier with low power consumption and minimized heat generation lowers demands on the installations’ mains distribution and cooling systems
- IDEEA outputs stage based on proprietary, state-of-the-art Class-D amplifier technology for superior performance
- Comprehensive fail safe circuit protection ensures continued operation even under reduced operating conditions
- Auto-standby and auto-power-on reduces power consumption in non-operating cycles
- Rail Sense Limiter (RSL) greatly reduces signal clipping and ensures simple configuration for constant voltage and low impedance loads
- Built in 50 Hz high pass filter selectable per channel available on rear panel switch
- Per-channel attenuation knob and signal LED on rear panel for simple commissioning
- Efficient cooling with temperature-controlled fan with front to back airflow
- Aluminum front panel with power and temperature LEDs and per-channel signal and limit LEDs
- GPIO connector with power control and indication for further system integration
- Balanced high-quality analog inputs and amplifier outputs on detachable screw terminals
Specifications
General
Number of powered channels | 4 |
Total output all channels driven | 2000 W |
Max output voltage per channel | 141 Vp / 100 Vrms |
Max output current per channel | 16.3 Arms |
Asymmetric load operation | Units are capable of delivering extra power to one channel while sending significantly less to the other |
Performance
THD (20 Hz – 20 kHz @ 1 W into 8 Ω) | <0.1% |
THD @ 1 kHz, 1 dB below clipping | <0.05% |
Signal-to-noise ratio | >106 dBA |
Channel separation (crosstalk) @ 1 kHz | >70 dB |
Frequency response | 2 Hz – 40 kHz |
Input impedance | 20 kΩ |
Input common mode rejection, CMR | 50 dB |
Output impedance | 25 mΩ |
Power
Nominal voltage | 100 – 240 VAC |
Power consumption | 600 W |
Standby consumption | <2.5 W |
Mains connector | Standard IEC receptacle |
Physical
Dimensions (HWD) | 44 x 483 x 417 mm |
Weight | 7.9 kg (17.4 lbs) |
Finish | Dark grey aluminium front and black steel chassis |
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