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Lab Gruppen E 12:2 E-Series 1200W Amplifier (2 x 600)

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Mfg Model SKU E122US

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Product Code : LAB-E12:2

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SYSTEM REQUIREMENTS

Lab Gruppen E 12:2 E-Series 1200W Amplifier (2 x 600)

New technology and Energy Star™*

Product Highlights

High-Power Density: 2 x 600W
IntelliDrive for Consistent Performance
Asymmetric Loading
IDEEA Output on Class-D Topology
Highly Efficient
Auto-Standby Function: <1 W
RSL Switch for Optimized Output
Comprehensive Circuit Protection
Includes Power Cord and GPI and GPO
Includes Phoenix Connectors for All I/O

Lab Gruppen E 12:2 Overview

Building upon Lab.Gruppen's touring amplifier technology, the E-Series E 12:2 Amplifier is a two-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.

In designing the new 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* 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.

New power supply and output stage

For peak operating efficiency, the E Series incorporates a new high-headroom universal power supply accepting any mains voltage from 70 to 265 V at 50 or 60 Hz. A higher storage capacity in the power supply prevents excessive draw on the mains inlet during repeated peak bursts, maintaining extra headroom on the supply rails for sustained maximum output with minimal distortion. The Class D output stage is highly efficient (above 90%), while the inherently bridged topology allows up to twice the rated power output on one channel when the other channel is unused or driving a low power application. RSL™: Mix, match and balance loads The new Rail Sensing Limiter (RSL) is the latest refinement of Lab.gruppen’s proprietary approach to optimizing amplifier output characteristics to match the connected load. Each channel has a two-position switch that sets the output for driving either low impedance or high impedance (70 V) loudspeaker systems, with a +4 dBu sensitivity regardless of load type. RSL works in conjunction with the high headroom power supply and inherently bridged output stage to allow asymmetric loading. Power resources in the amplifier can be utilized to maximum advantage, with one channel producing far beyond its rated output when the other channel has lesser power requirements.

Flexible mode power control

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.

Target: Installations

E Series amplifiers are designed for ease of installation and reliable service, with notable features including a 50 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.

*ENERGY STAR is the trusted, government-backed symbol for energy efficiency helping us all save money and protect the environment through energy-efficient products and practices. The ENERGY STAR label was established to make it easy for consumers to identify and purchase energy-efficient products that offer savings on energy bills without sacrificing performance, features, and comfort. As technology evolves, the qualification for the standard becomes ever more stringent. E Series meets all the requirements for the latest iteration, Energy Star 3.0.

High power density – Up to 2 × 600 W in 1U
Certified Energy Star* 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 fault indication

Lab Gruppen E series overview

General

Model	E 12:2	E 8:2	E 4:2
Number of channels	2	2	2
Max total output all channels driven	1200 W	800 W	400 W
Peak output voltage per channel	100 V / 70 Vrms	100 V / 70 Vrms	100 V / 70 Vrms
Max. output current per channel	18 Arms	16 Arms	11 Arms

Max. Output Power Per Channel (All Channels Driven)

Model	E 12:2	E 8:2	E 4:2
2 ohms (Lo-Z mode)	600	400	200
4 ohms (Lo-Z mode)	600	400	200
8 ohms (Hi-Z mode)	600	400	200
16 ohms (Hi-Z mode)	310	290	200
70 V (Hi-Z mode)	600	400	200
8 ohms (Lo-Z mode)	300	200	100
16 ohms (Lo-Z mode)	150	100	50

Performance

Model	E 12:2	E 8:2	E 4:2
THD 20 Hz – 20 kHz for 1 W	<0.1%	<0.1%	<0.1%
THD at 1 kHz and 1 dB below clipping	<0.05%	<0.05%	<0.05%
Signal To Noise Ratio	>112 dBA	>112 dBA	>112 dBA
Channel separation (Crosstalk) at 1 kHz	>70 dB	>70 dB	>70 dB
Frequency response	2 Hz – 40 kHz	2 Hz – 40 kHz	2 Hz – 40 kHz
Input impedance	20 kOhm	20 kOhm	20 kOhm
Common Mode Rejection (CMR)	50 dB	50 dB	50 dB
Output impedance	25 mOhm	25 mOhm	25 mOhm

Gain, Sensitivity and Limiters

Model	E 12:2	E 8:2	E 4:2
Limit and gain switch (per channel)	2 pos: Lo-Z and Hi-Z	2 pos: Lo-Z and Hi-Z	2 pos: Lo-Z and Hi-Z
VPL for Hi-Z mode	100 V	100 V	100 V
VPL for Lo-Z mode	69.3 V	56.6 V	40.0 V
Sensitivity for 70 V out in Hi-Z mode	4 dBu	4 dBu	4 dBu
Sensitivity for full power into 4/8/16 ohms in Lo-Z mode	4 dBu	4 dBu	4 dBu
Gain in Hi-Z mode	35.2 dBu	35.2 dBu	35.2 dBu
Gain in Lo-Z mode	32.0 dB	30.3 dB	27.2 dB
Level adjustment (per channel)	Rear panel potentiometer detented from -inf to 0 dB

Connectors and switches

Model	E 12:2	E 8:2	E 4:2
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	Single fan, front to rear airflow, no filter required, temperature controlled speed

Power

Model	E 12:2	E 8:2	E 4:2
Nominal voltage	100 – 240 VAC	100 – 240 VAC	100 – 240 VAC
Operating voltage	60 – 265 VAC	60 – 265 VAC	60 – 265 VAC
Standby consumption	<1 W	<1 W	<1 W
Mains connector	IEC inlet
Dimensions	W: 483 mm (19”), H: 44 mm (1 U), D: 276 mm (10.9”)
Weight	4.2 kg (9.3 lbs.)	4.1 kg (9 lbs.)	4 kg (8.8 lbs.)
Finish	Dark grey aluminum front and black steel chassis
Warranty	3 years, components and factory workmanship. See full warranty statement.

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