Professional Loudspeakers & Mics - Electro-Voice

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EVC-1122-VI EN54

12" speaker, vari-intense indoor en54

  • EN 54 EVAC certified for emergency voice alarm – adds to EV’s portfolio of full-fidelity EN 54 loudspeaker system solutions
  • 12” two-way loudspeaker with asymmetrical horn uniformly covers a defined rectangular area
  • High quality transformer and patented Automatic Saturation Control (ASC) preserve low-frequency response over 70 V / 100 V lines for any number of loudspeakers
  • Power rating: 150 W Continuous, (600 W Peak)

The EVC-1122-VI EN54 is a unique offering that is constructed in a variable-intensity (VI) configuration. In a variable intensity loudspeaker, the downward angle of the front-facing woofer and the asymmetrical wave guide work together to evenly cover a clearly defined, rectangular audience area with a single loudspeaker system.

The size of the coverage area is determined by the mounting height and the vertical mounting angle of the loudspeaker. The advantage of the VI approach is that there is reduced variation in sound level from the front to the back of the audience, compared to typical point source solutions. In most situations, the change is so gradual that the sound level will seem almost constant as you walk the coverage pattern. The EVC-1122-VI EN54 delivers clear, articulate speech reproduction but, in addition, is an excellent choice for foreground music applications.

The high frequency section of the EVC-1122-VI EN54 loudspeaker comprises a single 1¼-inch pure titanium dome compression driver directly coupled to a compound waveguide that combines long-throw and short-throw behavior in a single acoustical device. This unique waveguide creates uniform pattern control and smooth, linear response.

The low frequency section employs a high-output woofer that was developed using state-of-the-art, computer-aided optimization to provide low distortion, high efficiency, and maximum intelligibility at high sound pressure levels. The passive crossover implements a fourth-order Linkwitz Riley design with slopes of 24 dB per octave for smooth off-axis response and improved definition through the critical vocal range.

The enclosures are constructed of high-grade plywood and finished with EVCoat for enhanced durability. The EVC-1122-VI EN54 has been designed with three M10 rigging points as well as attachment points for an optional Ubracket that can be mounted to the ceiling or the wall behind the loudspeaker. Input connectors accept wire gauges up to 10 AWG (5.26 sq mm).

EN-54 versions of EVC loudspeakers ship with the high quality Electro-Voice TK-150 audio transformer preinstalled. The TK-150 works in conjunction with EV's patented Automatic Saturation Compensation (ASC), which preserves low frequency performance while presenting a stable load to the amplifier regardless of how many loudspeakers are connected in parallel.

Specifications

Frequency response (-3 dB)  70 Hz - 20 kHz
Frequency range (-10 dB) 50 Hz - 25 kHz
Rec. high-pass frequency 50 Hz

Passive crossover frequency 1.6 kHz
Axial sensitivity1 79 dB (1 W/4 m)
MAX SPL 100.5 dB1
Power handling2 150 W (Continuous), 600 W Peak
LF transducer EVS-12M
HF transducer DH-3
Connectors Dual four-pin 10 AWG Phoenix/
Euro Block screw-terminals
Enclosure 15-mm plywood with EVCoat
Grille 18 GA powder-coated steel with rotatable logo
Environmental INDOOR ONLY
Suspension (8) M10 suspension points
Color Black or white
Dimensions (H x W x D) 528 mm x 411 mm x 648 mm (20.78 in x 16.18 in x 25.50 in)
Net weight 24.1 kg (53.1 lb)
Shipping weight 26.8 kg (59.1 lb)

Downloads

Name Language Size Date
ProSound Loudspeakers and Electronics Catalog EN 15.43MB Apr 2, 2019
Name Size Date
Environmental Compliance Document 148KB Oct 3, 2017
Evc-1122 Vien54, En 54-24:2008 Declaration of Performance (DoP) 409KB Dec 18, 2019
Evc-1122 Vien54, En 54-24:2008 EC Declaration of Conformity 720KB Dec 18, 2019
Name Size Date
EVC 1122-VI 2D CAD Drawing DWG 481KB Oct 11, 2018
EVC 12 VI 3D CAD Drawing DWG 48KB Mar 29, 2018
Name Language Size Date
EVC-VI EN54 Data Sheet EN 364KB Dec 20, 2019
EVC-VI EN54 Data Sheet DE 365KB Dec 20, 2019
EVC-VI EN54 Data Sheet ES 364KB Dec 20, 2019
EVC-VI EN54 Data Sheet FR 365KB Dec 20, 2019
EVC-VI EN54 Data Sheet IT 364KB Dec 20, 2019
EVC-VI EN54 Data Sheet JA 456KB Dec 20, 2019
EVC-VI EN54 Data Sheet KO 496KB Dec 20, 2019
EVC-VI EN54 Data Sheet PT 365KB Dec 20, 2019
EVC-VI EN54 Data Sheet RU 374KB Dec 20, 2019
EVC-VI EN54 Data Sheet TR 365KB Dec 20, 2019
EVC-VI EN54 Data Sheet ZH 483KB Dec 20, 2019
Name Language Size Date
EVC-VI EN54 Installation Manual EN 1.4MB Dec 18, 2019
EVC-VI EN54 Installation Manual DE 1.41MB Dec 18, 2019
EVC-VI EN54 Installation Manual ES 1.4MB Dec 18, 2019
EVC-VI EN54 Installation Manual FR 1.4MB Dec 18, 2019
EVC-VI EN54 Installation Manual IT 1.4MB Dec 18, 2019
EVC-VI EN54 Installation Manual JA 1.53MB Dec 18, 2019
EVC-VI EN54 Installation Manual KO 1.47MB Dec 18, 2019
EVC-VI EN54 Installation Manual PT 1.4MB Dec 18, 2019
EVC-VI EN54 Installation Manual RU 1.41MB Dec 18, 2019
EVC-VI EN54 Installation Manual TR 1.4MB Dec 18, 2019
EVC-VI EN54 Installation Manual ZH 1.62MB Dec 18, 2019

EVC VI Black Scaled LowRes 32557

EVC VI white

Name Language Size Date
Warranty conditions for Electro-Voice products in North America EN 160KB Sep 14, 2020
General Terms & Conditions of Deliver for Export Business EN 57KB Nov 26, 2014
Allgemeine Lieferbedingungen DE 184KB Nov 30, 2016
Name Language Size Date
Audio 101 - Basic Audio Terminology EN 2.74MB Dec 13, 2012
Audio 101 - Loudspeaker Basics EN 3.02MB Dec 13, 2012
EASE Data Explanation EN 934KB Nov 17, 2015
PA Bible 02: Power Handling Capacity EN 422KB Dec 26, 2007
The EV PA Bible EN 1.14MB Dec 26, 2007
The PA Bible Chapter Zero EN 1.14MB Jun 11, 2018

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