Description
Lab Gruppen E 40:4 Audio Amplifier
The E 40:4 amplifier excels in both performance and environmental credentials, offering a compact and efficient solution tailored for the installation market. Building on Lab Gruppen’s renowned sonic excellence and durable design, this unit provides an impressive combination of power, flexibility, and cost efficiency.
Features
- 4,000 W amplifier with 4 flexible output channels in a 1 rack unit form factor
- Energy-efficient design reduces lifetime running costs
- Versatile output power configuration: from 625 W to 1,000 W per channel across various impedances
- Asymmetric channel loading for optimized system efficiency and inventory utilization
- Minimized heat generation and low power consumption
- Class-D amplifier technology for superior performance
- Comprehensive fail safe circuit protection for continuous operation
- Auto-standby and auto-power-on features to reduce power consumption
- Rail Sense Limiter (RSL) to prevent signal clipping
- Selectable high-pass filter per channel
- Rear panel controls for simple commissioning
- Temperature-controlled fan with front-to-back airflow
- Aluminum front panel with diagnostic LEDs
- GPIO connector for system integration
- Balanced analog inputs and outputs on detachable screw terminals
Specifications
General
| 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 |
Yes |
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 (1.7 x 19 x 16.4″) |
| Weight |
7.9 kg (17.4 lbs) |
| Finish |
Dark grey aluminum front and black steel chassis |
