Call us we are here to help - Overnight shipping available
The Lab Gruppen E5:4 500W E-Series Installation Amplifier is a feature-rich solution for professional audio installations. This amplifier is designed to deliver exceptional performance, flexibility, and energy efficiency, making it a top choice for mixed A/V installations.
HIGHLIGHTS
- Power Output:
4 x 125W channels, configurable for constant voltage (70/100V) or low impedance (2, 4, 8, and 16 Ohms) - Energy Efficiency:
Energy Star certified, with low power consumption and minimal heat generation - Asymmetric Channel Loading:
Allows mixing and matching loads with different impedances for optimized system efficiency - Amplifier Technology:
IntelliDrive Energy Efficient Amplifier (IDEEA) technology, a proprietary Class-D design for high performance and low distortion - Rail Sensing Limiter (RSL):
Reduces signal clipping and optimizes output for varying load conditions - Auto-Standby and Power-On:
Automatically reduces power consumption to below 1W during idle periods - Cooling System:
Temperature-controlled fans with front-to-back airflow for efficient cooling - User-Friendly Controls:
Per-channel attenuation knobs, signal LEDs, and a high-pass filter (50 Hz) selectable via rear panel switches - Durable Build:
Compact 1 rack unit form factor with an aluminum front panel, designed for durability and ease of installation - Connectivity:
Balanced analog inputs and outputs on detachable screw terminals, along with a GPIO connector for system integration - Fail-Safe Protection:
Comprehensive circuit protection ensures reliable operation under challenging conditions
SPECIFICATION
General
| Number of amplifier channels | 4 |
| Total output all channels driven | 500 W |
| Peak output voltage per channel | 100 V / 70 Vrms |
| Max. output current | 9.9 Arms |
Max 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 |
Performance
| THD 20 Hz - 20 kHz at 1 W | <0.1% |
| THD at 1 kHz and 1 dB below clipping | <0.05% |
| Signal to Noise Ratio | >112 dBA |
| Channel separation (Crosstalk) at 1 kHz | > 70 dB |
| Frequency Response | 2 Hz - 40 kHz |
| Input impedance | 20 kOhm |
| Common Mode Rejection (CMR) | 50 dB |
| Output impedance | 25 mOhm |
Gain, Sensitivity and Limiters
| Limit and gain switch defining limit and gain (per channel) | 2 pos: Lo-Z and 70 V |
| VPL for 70 V mode | 100 V |
| VPL for Lo-Z mode | 44.7 V |
| Sensitivity for stated power into 8 Ohm in Lo-Z mode | 4 dBu |
| Sensitivity for 70.7 V out in 70 V mode | 4 dBu |
| Sensitivity for stated power into 4 Ohm in Lo-Z mode | 1 dBu |
| Sensitivity for stated power into 16 Ohm in 70 V mode | 0 dBu |
| Gain in 70 V mode | 35.2 dB |
| Gain in Lo-Z mode | 28.2 dB |
| Level adjustment (per channel) | Rear panel potentiometer, from -inf to 0 dB |
Connectors and Switches
| Input connectors (per ch.) | 3 - pin detachable screw terminals, electronically balanced |
| Output connectors (per ch.) | 2 - pin detachable screw terminals |
| High pass filter | Fixed at 50 Hz, switchable per channel |
| Power control | Can be used to go between standby and ON |
| GPI (power control input) | Contact closure type, 2-pin detachable screw terminal, controls the power state |
| 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 |
Power
| Nominal voltage | 100 - 240 VAC |
| Operating voltage | 85 – 265 VAC |
| Standby consumption | <1 W |
| Mains connector | IEC inlet |
Dimensions
| Dimensions | W: 483 mm (19”), H: 44 mm (1 U), D: 381 mm (15”) |
Weight
| Weight | 6 kg (13.2 lbs) |
Finish
| Finish | Dark grey aluminum front and black steel chassis |
DOCUMENTATION
A & E Specifications |
| A & E Specifications, German |
| Current Draw & Thermal Dissipation |
| Current Draw & Thermal Dissipation English |
| Data Sheet |
| Quick Start Guide, All Language |
© 2025 Echotone Music LLC All Rights Reserved. Any use of any material content, images, or design, without prior written consent from echotonemusic.net, is strictly prohibited by law.
