6.Do not install near any heat sources such as radiators, heat registers, stoves, or other
apparatus (including amplifiers) that produce heat.
Suspension
Warning!
Suspending any object is potentially dangerous and should only be attempted by individuals
who have a thorough knowledge of the techniques and regulations of suspending objects
overhead. Electro-Voice strongly recommends that loudspeakers be suspended taking into
account all current national, federal, state, and local laws and regulations. It is the
responsibility of the installer to ensure all loudspeakers are safely installed in accordance
with all such requirements. When loudspeakers are suspended, Electro-Voice strongly
recommends the system be inspected at least once per year or as laws and regulations
require. If any sign of weakness or damage is detected, remedial action should be taken
immediately. The user is responsible for making sure the wall, ceiling, or structure is capable
of supporting all objects suspended overhead. Any hardware used to suspend a loudspeaker
not associated with Electro-Voice is the responsibility of others.
Caution!
It is the installer's responsibility to determine and use the proper mounting hardware for
the wall construction type.
Disregarding this caution could result in damage to the product and personal injuries may
occur.
Redundant seismic safety cable
As an added safety measure, when the loudspeaker is suspended or mounted, the user should
connect an unused rigging point to a solid structural point using an appropriate safety cable.
The cable should have a small amount of slack, but no more than ¾ inch.
These Electro-Voice loudspeakers were designed for use in an environment with
ambient temperatures between -20°C (-4°F) and +50°C (122°F).
These Electro-Voice loudspeakers are not rated for continuous outdoor
conditions. However, they may be exposed to occasional short-term rain, water,
or high humidity.
Electro-Voice loudspeakers are easily capable of generating sound pressure
levels sufficient to cause permanent hearing damage to anyone within normal
coverage distance. Caution should be taken to avoid prolonged exposure to
sound pressure levels exceeding 90 dB.
Notices
Old electrical and electronic appliances
Electrical or electronic devices that are no longer serviceable must be collected separately and
sent for environmentally compatible recycling (in accordance with the European Waste
Electrical and Electronic Equipment Directive).
To dispose of old electrical or electronic devices, you should use the return and collection
systems put in place in the country concerned.
Copyright and disclaimer
All rights reserved. No part of this document may be reproduced or transmitted in any form by
any means, electronic, mechanical, photocopying, recording, or otherwise, without the prior
written permission of the publisher. For information on getting permission for reprints and
excerpts, contact Electro-Voice.
All content including specifications, data, and illustrations in this manual are subject to change
without prior notice.
EVC loudspeakers from Electro-Voice include five basic models. Three of them are two-way
trapezoidal loudspeaker systems that can be used in a wide variety of applications where wide
bandwidth, vertical and horizontal directivity control, and high efficiency are required in a
compact, cost-effective package. The EVC Variable Intensity model is a two-way design with a
unique compound waveguide that can evenly cover a defined rectangular audience area with
almost no variation in sound quality and minimal change in level. The 18” subwoofer will
complement any of the full-range systems. EVC loudspeakers are voiced so that they can be
seamlessly used in systems with other EV-Innovation models (EVF, EVH, and EVA).
The high frequency section of EVC loudspeakers comprises a single 1¼-inch pure titanium
dome compression driver directly coupled to a rotatable constant directivity waveguide that
delivers 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 an enhanced fourth-order design
with slopes of greater than 24 dB per octave for smooth off-axis response and improved
definition through the critical vocal range. The subwoofer requires an external high-pass filter
or crossover; it is the only model without an internal passive filter network.
The EVC series is an extremely cost effective solution for many fixed-install applications. The
enclosures are constructed of 15-mm plywood and finished with EVCoat for enhanced
durability. The loudspeakers have been designed with multiple M10 rigging points as well as
attachment points for an optional U-bracket or multi mount style pan/tilt wall mount. There
are no bracket options for the subwoofer. All EVC loudspeakers accept wire gauges up to 10
AWG. The input panel also accepts optional covers with NL4-type connectors or weatherized
gland-nuts.
For 70V/100V operation, the input panel has an internal landing pad for mounting EV's highquality TK-150 audio transformer. When the transformer is installed, it engages EV's patented
Automatic Saturation Compensation (ASC), which preserves low frequency performance while
presenting a stable load to the amplifier - regardless of the number of speakers connected in
parallel. As a result, EVC loudspeakers - including the subwoofers - sound virtually identical,
whether they are used with a transformer or without.
Numbering scheme
The numbering scheme for EVC models is similar to that of other EV-Innovation loudspeakers.
It denotes the number and diameter of the woofers, the number of passbands, the coverage
pattern, level of weatherization, and the enclosure color. EVC speakers are available in black
or white and in your choice of robust EVCoat and partially weatherized versions. For example,
the EVC-1082-96PIW employs a single eight-inch woofer in a two-way configuration with a 90°
x 60° waveguide coverage pattern, and has a white, weatherized enclosure. Similarly, the
EVC-1181S-B uses a single 18” woofer to cover a single passband. In other words, it is a
subwoofer or low-frequency system in a black enclosure.
Finishes and colors available
EVC loudspeakers are finished in tough EVCoat. In addition, PI versions are rated for indirect
outdoor exposure in protected areas, such as under a roof overhang, and feature a stainlesssteel grille backed with acoustically-transparent hydrophobic cloth and a water-tight dual-
gland-nut input-panel cover. External fasteners on PI systems are stainless steel. All EVC
systems are available in black or white. Black is indicated by B at the very end of the model
number and white is indicated by W.
To find current user documentation visit our product related information at
www.electrovoice.com.
The tools required to prepare the system for installation are:
▪3/16-inch (5 mm) flat blade screwdriver
▪6 mm Allen wrench
▪Phillips #2 screwdriver
General aiming and placement guidelines
Loudspeakers should be pointed at the people and away from reflective room surfaces. Since
people are excellent absorbers of sound and room surfaces are often not, this practice
ensures not only that the audience will perceive the high frequencies necessary for good voice
and musical clarity, but also that acoustic reflections do not excessively degrade intelligibility.
Loudspeakers for sound reinforcement are usually located above a stage or platform and
aimed down and out into the audience. This minimizes the difference between the longest
throws to the rear of a venue and the shortest throws to the front rows, promoting uniform
coverage. Note that a typical portable loudspeaker on a short, 6-foot stand cannot duplicate
such uniformity since the distant seats are so much farther away than the front rows. The
direct sound from a loudspeaker drops 6 dB every time the distance from it doubles,
according to the formula:
Level loss (dB) = 20log10 (closest distance/farthest distance).
4.3
4.3.1
4.3.2
4.3.3
Preparing the EVC loudspeakers for installation
Unpacking and inspection
Carefully open the packaging and take out the loudspeaker. Inspect the loudspeaker's
enclosure for any damage that might have happened during transportation. Each loudspeaker
is examined and tested in detail before leaving the manufacturing site. Please inform the
transport company immediately if the loudspeaker shows any damage. Being the addressee,
you are the only person who can claim damages in transit. Keep the cardboard box and all
packaging materials for inspection by the transport company.
Keeping the cardboard box including all packing materials is also recommended, even if the
loudspeaker shows no external damage.
When shipping the loudspeaker, make sure to always use its original box and packaging
materials. By packing the loudspeaker exactly as it was packed by the manufacturer, you will
guarantee optimum protection from transport damage.
Scope of delivery
Keep the original invoice that states the purchase/delivery date in a safe place.
Recommended pre-installation procedures
For any sound system, certain checks made at the installer’s place of business can prevent
expensive on-site delays. EV recommends that you take the following steps:
1.Unpack all loudspeakers in the shop.
2.Check for proper model numbers.
3.Check the overall condition of the loudspeakers.
Once you are on site and the loudspeakers are connected, it is a good idea to check again for
continuity at the power-amplifier end of each cable run.
4.4
Rotation of high-frequency waveguides
EV loudspeakers are shipped with the wider waveguide pattern angle in the horizontal
orientation when the speaker is upright. If desired, the waveguide can be rotated so that the
wider pattern angle is in the vertical orientation. All high-frequency waveguides are labeled
with their horizontal and vertical coverage angles, so you can easily identify the current
orientation.
Tools required:
▪Phillips #2 screwdriver
To rotate the high-frequency waveguide, do the following:
1.Remove the three screws on each side of the grille.
2.Pop the grille out.
3.Remove the eight screws holding the compression-driver/waveguide assembly.
Suspending any object is potentially dangerous and should only be attempted by individuals
who have a thorough knowledge of the techniques and regulations of suspending objects
overhead. Electro-Voice strongly recommends that loudspeakers be suspended taking into
account all current national, federal, state, and local laws and regulations. It is the
responsibility of the installer to ensure all loudspeakers are safely installed in accordance
with all such requirements. When loudspeakers are suspended, Electro-Voice strongly
recommends the system be inspected at least once per year or as laws and regulations
require. If any sign of weakness or damage is detected, remedial action should be taken
immediately. The user is responsible for making sure the wall, ceiling, or structure is capable
of supporting all objects suspended overhead. Any hardware used to suspend a loudspeaker
not associated with Electro-Voice is the responsibility of others.
Caution!
It is the installer's responsibility to determine and use the proper mounting hardware for
the wall construction type.
Disregarding this caution could result in damage to the product and personal injuries may
occur.
Redundant seismic safety cable
As an added safety measure, when the loudspeaker is suspended or mounted, the user should
connect an unused rigging point to a solid structural point using an appropriate safety cable.
The cable should have a small amount of slack, but no more than ¾ inch.
The most flexible mounting accessory for EVC loudspeakers is the wall bracket, which can be
adjusted for a wide range of pan/tilt positioning angles. With the wall bracket, you will be able
to achieve more precise aiming than is possible with the U-Bracket. The wall bracket will fit
any of the trapezoidal loudspeakers; there is no wall bracket for the VI or subwoofer models.
Figure 4.2: EVC-WB multi mount wall bracket
EVC multi mount wall bracket
The EVC-WB is a pan/tilt Omnimount-style
wall mount bracket for mounting EVC-1082,
EVC-1122, or EVC-1152 loudspeakers.
Available in black or white:
EVC-WB-BLK
EVC-WB-WHT
Suspending an EVC loudspeaker using M10 suspension points
EVC loudspeakers must be hung in an inverted orientation when suspended from the insert
points. The trapezoidal enclosures require attachment to three points. The subwoofer requires
attachment at four points. It is not possible to suspend EVC speakers horizontally. A safety
cable should always be attached to one of the suspension points.
EVC loudspeakers are designed to be installed individually. There are no factory-approved
accessories for creating clusters by connecting an EVC loudspeaker to any other loudspeaker.
Figure 4.3: Suspending EVC systems, including a safety cable
Eyebolt accessory kits
EVC loudspeakers do not ship with eyebolts. To suspend the speaker, it is necessary to order
one of the accessory eyebolt kits (sold separately).
▪EBK-M10-3PACK: optional eyebolt kit, consisting of three M10 shoulder eyebolts and
three fender washers, used when eyebolts are needed to suspend any of the full-range
EVC loudspeakers. For more information see, EBK-M10 Eyebolt Attachment Kit
Installation Instructions (F.01U.303.870).
▪EBK-M10-4PACK: optional eyebolt kit, consisting of four M10 shoulder eyebolts and four
fender washers, used when eyebolts are needed to suspend any of the full-range EVC
loudspeakers or the EVC-1181S subwoofer. For more information see, EBM-M10-4PACK
M10 Eyebolt Attachment Kit Installation Instructions (F.01U.349.930).
Installing the eyebolts
Caution!
No eyebolt should be mounted in the sides of an EVC enclosure in order to suspend a system.
Doing so may result in damage to the enclosure, leading to installation failure, and personal
injury.
Figure 4.4: Eyebolts installed incorrectly in the sides of an enclosure in order to suspend it from above
All hardware supplied by the user must be rated for overhead lifting to suspend the
loudspeaker system.
To install the eyebolts, do the following:
1.Remove the M10 flat-head bolts from the fly points you will use on the enclosure.
2.Screw the lifting eyebolt with fender washer into the threaded attachment point until
the fender washer makes contact with the enclosure.
Never install the eyebolt without the washer included with the eyebolt kit.
en15
3.Finger tighten the eyebolt until the correct alignment position is obtained.
A maximum of one complete turn.
4.Install a safety cable.
Eyebolts orientated in the plane of pull
Caution!
Eyebolts must be fully seated and oriented in the plane of pull. Always use the fender washer
included with the eyebolt kit to distribute the load on the enclosure.
Excessive tightening of the eyebolt with a wrench, screwdriver or other tool, can result in a
system failure and possible injury.
Figure 4.5: Fully seated eyebolts with washers, with correct orientation in the plane of pull (Correct; left,
Incorrect; right)
The structural ratings for all EVC rigging components and loudspeaker systems are based on
test results in which parts were stressed to failure. Manufacturers typically present the
structural-strength ratings of mechanical components or systems as either the Working Load
Limit (WLL) or the ultimate-break strength. Electro-Voice chooses to present the structuralload ratings of loudspeaker systems as the WLL. The WLL rating represents the maximum load
that should ever be applied to a mechanical component or system.
Warning!
Never exceed the limitations or maximum recommended working load for Electro-Voice
loudspeakers.
Disregarding this warning could result in serious injury or death.
The WLL for the rigging components and loudspeaker systems described in this manual is
calculated with a 10:1 safety factor, which exceeds the minimum 8:1 safety factor normally
specified by Electro-Voice. The safety factor is defined as the ratio of the ultimate-break
strength divided by the WLL, where the ultimate-break strength represents the force at which
a part will structurally fail. For example, if a part has a WLL of 100 lb (45.4 kg), it would not
structurally fail until a force of at least 1,000 lb (453.6 kg) was applied, based on a 10:1 safety
factor. However, the user should never apply a load to that part that exceeds 100 lb (45.4 kg).
The safety factor provides a margin of safety above the WLL to accommodate normal dynamic
loading and normal wear.
Cautions for working load limits and safety factors
The WLL defined by the manufacturer of any rigging component should never be exceeded.
Other manufacturers of rigging components may base their WLL on safety factors other than
10:1. For example, 5:1 safety factors are fairly common among rigging manufacturers because
many regulatory agencies call for a minimum safety factor of 5:1.
When an EV loudspeaker system is installed where local regulations only require a safety
factor of 5:1, Electro-Voice insists that the WLL of the loudspeaker rigging never be exceeded
and that an 10:1 safety factor be maintained.
The user is cautioned that some local regulations may require safety factors higher than 10:1.
In those circumstances, Electro-Voice insists that the user maintain the higher safety factor as
required by the local regulations throughout the entire loudspeaker installation. It is the
responsibility of the user to make sure that any loudspeaker installation meets all applicable
local, state or federal safety regulations.
Recommended practice for eyebolts
Eyebolts can be used to suspend individual loudspeakers when attached through the integral
M10 attachment points. It is a good idea to orient the suspending cable so that it hangs within
30° of the straight-up position in the plane of pull (left illustration), and within 15° against the
plane of pull (right illustration).
Suspension line angle limits for individual eyebolts
Figure 5.1: Suspension line angle limits for individual eyebolts, both in plane of pull (left) and against plane
of pull (right)
A
Above 90° NOT TO BE USED
B0° to 30° recommended for main suspension line angle
C±15° for all applications
DAbove 15° NOT TO BE USED
Suspension line angles
Refer to Working load limit for M10 eyebolts and EVC loudspeakers, page 17 and Suspension
line angle limits for individual eyebolts, page 17 for specific eyebolt angle and weight limitations
when using eyebolt suspension. These limits are not to be exceeded under any circumstances.
If a safety factor higher than 10:1 is required, the angle limits for each eyebolt may actually
decrease to a number less than what is shown in Suspension line angle limits for individualeyebolts, page 17.
Working load limit for M10 eyebolts and EVC loudspeakers
en17
WLL Each Point (10:1)WLL Each Speaker (10:1)
Model
EVC-108230 lb30 lb
EVC-1122-64 or EVC-1122-9555 lb55 lb
EVC-1122-VI55 lb55 lb
EVC-115265 lb65 lb
EVC-1181S85 lb85 lb
Table 5.1: WLL for M10 eyebolts and EVC loudspeakers
Always ensure that the suspension line is in the plane of the eyebolt, as shown in Eyebolts
orientated in the plane of pull, page 15. Readjust the eyebolt during the installation if necessary
All EVC full-range systems are passive, meaning that the internal crossover/equalizer network
sends low frequencies to the woofer and high frequencies to the compression-driver/
waveguide combination. In addition, the network tailors the frequency response and level of
each individual driver so that the overall frequency response of the loudspeaker is essentially
flat over its intended range of operation. There is no bi-amp option for EVC full-range
loudspeakers.
Figure 6.1: EVC input panel
The screw terminals on the input panel will accept wire gauges as large as AWG 10. There are
two pairs of terminals labeled + and -. A speaker-level audio signal should be connected to one
of these +/- pairs. The other +/- pair can be used to connect one or more additional
loudspeakers in parallel, as long as the combined load impedance does not drop too low for
the amplifier to operate reliably. When the TK-150 audio transformer is installed in an EVC
loudspeaker, the ASC feature will automatically keep the impedance of each loudspeaker in a
safe range. The two pairs of connections marked THRU are wired as pass-through connections
for a separate audio signal.
Optional speaker processing
Once an EVC loudspeaker is installed in a venue a Digital Signal Processor (DSP) will typically
be used to adjust the in-room frequency response. In addition, the DSP should be used to
provide the high-pass filters recommended to protect EVC systems against overdrive at
frequencies below their operating range. Failure to do so could damage the low-frequency
drivers if the system is subjected to high-level signals below its operating range.
Table 6.1: Recommended high-pass filter frequencies for infrasonic protection of EVC systems
The recommended high-pass filter can be implemented in a stand-alone DSP loudspeaker
controller or in the processing section of a DSP-enabled amplifier. L Series and C Series
amplifiers from Dynacord are recommended for use with EVC loudspeakers because they can
also implement model-specific processing that optimizes loudspeaker performance. EVC
loudspeaker settings can also be implemented in any IRIS-Net compatible digital signal
processor.
Failure to use the proper high-pass filter may result in damage to the amplifier.
The TK-150 audio transformer is designed to be used with Butterworth 24 dB/octave high-pass
filter inserted in the signal chain at the input to the amplifier. The filter corner frequency
should be set at 50 Hz for full-range models and at 40 Hz for the EVC-1181S subwoofer. This
filter, in conjunction with the Automatic Saturation Compensation (ASC) feature, protects the
amplifier from damage caused by transformer saturation at low frequencies and allows any
number of transformers to be driven on the same 70V or 100V line, up to the rated power of
the amplifier. At the same time, the ASC circuit preserves the low-frequency extension of the
system by adding incremental filtering only to the extent required by the current level in the
loudspeaker. Following the parameters below, the TK-150 is capable of delivering up to 300
Watts to the loudspeaker by connecting a 100V drive line to the tap labeled DO NOT USE
(150W at 70.7V) if a Butterworth 24 dB/octave active high-pass filter tuned to 66 Hz or higher
is inserted in the signal chain at the input to the driving amplifier.
Notice!
Each group of four terminals is electrically connected in parallel to the group of four terminals
directly across from it.
The wattages charted in these two columns represent the wattage available from each of the
three transformer taps at the designated voltage.
This transformer affects only the loudspeaker to which it is installed.
Improper connection may result in damage to the transformer, successive loudspeakers, the
driving amplifier or any combination of these units.
Caution!
When daisy chaining additional systems, connect the wires to the next system only to those
terminals directly opposite the input wires.
Improper connection may result in damage to the transformer, successive loudspeakers, the
driving amplifier or any combination thereof.
Notice!
Tighten all unused connector screws to prevent rattles.
Notice!
The TK-150 ships with two input panel labels, one label is for standard use, and one label is
for EN54-24 Voice alarm systems.
Apply the TK-150 EN54 rated label when TK-150 is used in an EN54-24 system.
To install the TK-150, do the following:
1.Remove the input panel by removing the eight screws securing it.
Make note of the original orientation prior to removing the input panel.
2.Place the input panel horizontally face down with the green circuit board on the right.
3.Place the transformer in the pocket on the left.
The lead wires from the transformer should be pointed toward you.
4.Secure the transformer mounting ears to the four input panel bosses with the four #10
screws (A) provided.
Carefully tighten the screws evenly in an X-cross pattern to avoid warping the plastic input
panel.
5.Unplug the 8-position jumperconnector located at right angle to the 7-pin crossover
header.
6.Plug in the 8-position wiring harness connector (B) from the transformer to the 8-pin
header in place of the jumper.
Notice the direction of the connector.
7.Reinstall the input panel in the same orientation it was in before removal.
Do not install backwards.
8.Apply the new label (supplied) over the input connectors.
9.Connect the (-) input line to the COM input terminal and the (+) input line to the terminal
corresponding to the desired wattage in either the 70.7V or 100V column.
Automatic Saturation Compensation
When the TK-150 transformer is installed in an EVC loudspeaker, it engages EV’s patented
Automatic Saturation Compensation (ASC), which preserves low frequency performance while
presenting a stable load to the amplifier - regardless of the number of speakers connected in
parallel. As a result, EVC loudspeakers - including the subwoofers - sound virtually identical,
whether they are used with a transformer or without.
For all EVC loudspeakers. Electro-Voice offers input panel covers that protect the electrical
connections from moisture in outdoor installations or give the user of using quick-release NL4
type speaker connectors.
CDG: optional dual-gland-nut input-panel cover to protect the input connections
from water. Note that this cover is supplied with the PI versions.
CSG: optional single-gland-nut input-panel cover to protect the input connections
from water.
CDNL4: optional input-panel cover equipped with dual Neutrik Speakon NL4M
connectors, providing a quick-disconnect -alternative to the standard Phoenix
screw-terminal input connectors.
These are the same input panel accessories that fit all EV-Innovation loudspeaker models.
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