JBL EVO1.324 User manual

EVOi.324
User’s Guide
Introducing The Next Generation of Installed Sound
A Loudspeaker With Intelligence

CONTENTS
Safety Information . . . . . . . . . . . . . . . . . . . . . 1
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Design Overview . . . . . . . . . . . . . . . . . . . . . . 3
Features
E Oi.324 Front/Top . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
E Oi.324 Rear . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Hook-Up Details . . . . . . . . . . . . . . . . . . . . . . 6
Applications . . . . . . . . . . . . . . . . . . . . . . . . . 7
Loudspeaker Basics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Coverage Angles . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Aiming . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Multiple Speakers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Delay Speakers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Rectangular Rooms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Fan Shaped Rooms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Painting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . 20
Appendix . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Technical Data . . . . . . . . . . . . . . . . . . . . . . . . 22
Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
EVOi.324
EVOi.324

1
IMPORTANT SAFETY INFORMATION - READ THIS CAREFULLY
This equipment has been tested and found to comply with the following European and international standards for Electromag-
netic Compatibility and Electrical Safety:
Radiated Emmissions (EU): EN55022B (1992)
RF Immunity (EU): IEC801-3 (1994)
Electrostatic Discharge(EU): IEC801-2 (1984)
Fast Transients(EU): IEC801-4 (1988)
Electrical Safety (EU): EN60065 (1994)
Electrical Safety(USA): UL6500/ETL (1996)
Electrical Safety(CAN): CAN/CSA-E65/ETLc (1996)
Before using the apparatus read these instructions, follow all instructions, heed them and keep in a
safe place.
Clean only with a damp cloth. Do not block any of the ventilation openings. Install in accordance with the manufacturer’s
instructions.
Do not defeat the safety purpose of the grounding type plug. A grounding plug has two blades and a third grounding prong. The
third prong is provided for your safety. When the provided plug does not fit into your outlet, consult an electrician for replace-
ment of the obsolete outlet.
Protect the power cord from being walked on or pinched particularly at plugs, convenience recepticals and the point where they
exit from the apparatus.
Only use attachments/accessories specified by the manufacturer.
Unplug this apparatus during lightning storms or when not in use for a long time.
WARNING – TO REDUCE THE RISK OF FIRE OR SHOCK, DO NOT EXPOSE THIS APPARATUS TO RAIN OR
MOISTURE.
DO NOT REMOVE COVERS, NO USER SERVICABLE PARTS INSIDE, REFER SERVICING TO QUALIFIED
SERVICE PERSONNEL.
THIS EQUIPMENT MUST BE GROUNDED.
IT SHOULD NOT BE NECESSARY TO REMOVE ANY PROTECTIVE GROUND OR SIGNAL CABLE SHIELD
CONNECTIONS TO PREVENT GROUND LOOPS. ANY SUCH DISCONNECTIONS ARE OUTSIDE THE
RECOMMENDED PRACTICE OF JBL PROFESSIONALAND WILL RENDER ANY EMC OR SAFETY
CERTIFICATION VOID.
For continued compliance with international EMC legislation ensure that all input and output cables are wired with the cable
screen connected to Pin 1 of the XLR connectors. The input XLR Pin 1 is connected to the chassis via a low value capacitor,
providing high immunity from ground loops while ensuring good EMC performance.
DO NOT EXPOSE
TO RAIN OR MOISTURE
CAUTION
RISK OF ELECTRONIC SHOCK
DO NOT OPEN
! NE PAS EXPOSER A
LA PLUIE NI L'HUMIDITE
ATTENTION
RISQUE DE CHOC ELECTRIQUE
NE PAS ENLE ER

E Oi.324
2
INTRODUCTION
WELCOME
Thank you for purchasing an EVOi.324 Intelligent Powered
Loudspeaker. Not only is this the most compact 1300 watt
powered loudspeaker, it is also the world’s first loudspeaker
with built-in intelligence. The integrated digital technology
allows it to manage its own performance and through the
use of the optional EVOi.net Speaker System Controller,
adapt sonically to virtually any environment in which you
place it. The result is an architecturally designed installa-
tion powered loudspeaker system that provides great sound
with minimum stress.
PACKAGE CONTENTS
Upon unpacking the EVOi.324 please take note of the
contents as listed below. If you are missing any of the items
listed below, please contact your dealer as soon as possible.
1 x EVOi.324 Speaker System
1 x User’s Guide with Warranty and Tech Note No. 14,
Volume 1
1 x Accessory bag which includes:
1 x AC Cord
1 x Eyebolt Kit (3 x Shoulder Eye Bolts, 3 x Washers)
2 x Small Rubber Feet
1 x Large Rubber Foot
1 x Washer

E Oi.324
3
DESIGN O ER IEW
The EVOi.324 has been designed specifically for fixed
installation applications. EVO is intended to be used where
high quality state-of-the-art sound reinforcement is
required, in venues such as performing arts centers,
worship spaces, educational multi-purpose rooms and other
civic venues.
It has been engineered to provide premium performance
with minimal visual impact. EVOi.324 speakers adapt to
internal décor with a paintable surface and to low ceilings
by offering the same performance in a vertical and
horizontal configuration.
Installation and setup are quick and simple to understand.
This is the fundamental principle of the EVO system,
whereby the majority of problems in system installation
and set-up are eliminated because the most complex
elements have already been designed into the loudspeaker.

E Oi.324
4
FEATURES
E Oi.324 FRONT/TOP
1 J L Eyebolt System
Located on the top (and bottom) is our standard JBL eyebolt
system to accommodate ceiling attachment (and floor
mounting system, see Foot Kit, page 19), when required.
2 14” LF/MF Transducers
Each 14-inch, LF (Low Frequency) and LF/Mid carbon-
fiber cone transducer features our patented dual-coil, dual-
gap Neodymium Differential Drive (NDD™) technology
for 1/5th the weight of conventional ferrite transducers with
twice the power handling. Moreover, each transducer is
driven by its own 600 watt D-class (digital) amplifier.
1
1
1
2
2
3
3
3
3
4
5
6
7
Figure 1 - E Oi.324 Front & Top
(Grill removed for clarity)
3 Thermomaster
®
Vents
Each respective baffle vent, woofer motor, and basket are
all linked via the same thermal transfer path for maximum
heat dissipation. Taking heat away from the voice coil
effectively reduces power compression. The harder the
system works, the better it cools.
4 2430 Compression Driver
The JBL 2430 neodymium large-format compression driver
has a 1.5-inch exit and 3-inch voice coil with 100 watt
power handling. The revolutionary neodymium motor
structure results in an extremely compact and lightweight
HF (High Frequency) transducer, weighing only 2.5 lbs.
The JBL 2430 driver is powered by an internal 100 watt
linear amplifier.
5 Aluminum Waveguide
The aluminum waveguide effectively couples the JBL 2430
driver to the outside world. It works with the LF/MF and
LF transducers and our Filtered Array Technology (FAT™)
to achieve a constant 80°x 80°horizontal and vertical
coverage pattern.
6 Integrated affle
Our integrated transducer baffle and inertia grounding
straps are designed to lock all the components together,
maximizing acoustic output. The entire baffle area acts as
an open thermal window through which heat is allowed to
escape.
7 SMC Enclosure
The rear enclosure, fabricated from SMC (Sheet Molding
Compound), is in the form of a 2nd-order geometric design
for inherent strength, acoustic architecture, and transparent
aesthetics.
SMC Grille (not shown)
It looks like cloth, but it’s actually an anti-resonant, SMC-
reinforced, expanded steel grill, with an enhanced high
frequency spreading effect.

E Oi.324
5
FEATURES
E Oi.324 REAR
8 Compact Design
EVOi.324’s design has been dedicated to applications
requiring a permanent sound reinforcement solution. For a
1,300-watt Intelligent Powered Speaker System, it weighs
only 65 pounds (29.5 kg) and stands barely 42” (1.07
meters) tall.
9 D-Class Amplifier
Each EVOi.324 includes two digital amplifiers that are
extremely efficient. The energy from the power supply is
rapidly switched into each loudspeaker. The audio signal is
created as modulated pulses with switching rates many times
faster than the highest audio frequency. Because energy only
flows when needed, losses are substantially reduced as
compared to an equivalent sized conventional amplifier.
10 Handle/Grip
As an aid for setup, the EVOi.324 is equipped with a built-
in carrying handle and grip.
11 XLR Audio / Communication
Input
EVO’s ‘brain’is found in the EVOi.324. All transducer
controls and complex computational system functions take
place on the DSP (Digital Signal Processor) circuit board
within the aluminum housing. Working in tandem with the
optional EVOi.net, each EVOi.324 adapts to its acoustic
environment by generating its own test sequence, including
Auto-EQ and Delay Set settings. With Anti Feedback
Control, it also discriminates between feedback and
program music.
Hook-up is easy – simply use a standard XLR signal cable
to connect from an open EVOi.net Male XLR output (or
output from a mixer – see page 6) to the EVOi.324’s
Female XLR. No other cables are required. An internal
BiDAT™ (Bi-directional Data-over-Audio Transceiver)
communication system ensures that correct instructions are
sent and messages received across the signal cables.
12 Switch-Mode Power Supply
EVOi.324 uses a compact, lightweight, and highly efficient
digital power supply that does not require a large, heavy
toroidal transformer. This low-loss technology utilizes
digital modulation to regulate and supply the voltage
necessary to drive 1,300 watts of power amplification.
Insert the enclosed power cord into the IEC connector to
supply the specified AC power. (See “Hook-up Details” on
page 6 for more information.) The removable fuse protects
internal circuits. When replacing it, be sure to use the same
type as specified.
8
9
10
12
Figure 2 - E Oi.324 Rear
11

E Oi.324
6
Input
Power
AC Main
HOOK-UP DETAILS
AUDIO AND AC POWER CONNECTIONS
Power Cycle (Boot-up) Times
EVOi.324’s internal DSP (Digital Signal Processor) circuit
board includes software applications. Like any device
operating software programs, there is a “boot-up” time lag
before EVOi.324 becomes fully operational. The audio
signal will be muted until the loudspeaker is fully
booted up. This should take approximately 20 seconds.
Upon connecting AC mains, the green
power indicator will illuminate. After
approximately 20 seconds there will be a
very quiet click as the system releases the
mute. Upon power disconnection, the
green power indicator will flash several
times, however signal shut-down is
instantaneous. In summary, boot-up time
is approximately 20 seconds and shut-
down time is 0 seconds.
WARNING! When EVOi.324 is on,
the amplifier heatsink will get hot
even when no signal is being passed.
This is normal operation for D-Class
amplifiers.
E Oi.324 Rear
OR
OR
Output on Generic Mixer E Oi.net Rear
E Oi.sys Rear
XLR Signal Cable
Power Cord (supplied)
AC Mains
Maximum Drive Level = +10 dBu * Sensitivity
There are three simple audio hook-up options: all require
the use of high quality balanced signal cable with a Male
XLR connector. EVOi.324 requires a drive level of +10
dBu (sensitivity = +10 dBu assuming no external equaliza-
tion has been applied to the signal) for maximum perfor-
mance. Hooking a microphone directly to the input will
NOT drive it sufficiently. The output of a standard mixer,
EVOi.net or EVOi.sys should provide the optimum drive
level. (See the Sensitivity Chart in the Appendix, page 21)
Power Requirements
IMPORTANT: Each individual EVOi.324 is an extremely
powerful system and is quite capable of drawing peak
currents of up to 18 amps. Please consult a qualified
electrician for correct installation and power connection.
For more information, see AC Requirements on page 21.
CAUTION: to reduce the risk of fire, replace fuse with
same type and rating: ATTENTION: utiliser un fusible de
rechange de meme type de:
115V~ T6.3A/250V~
230V~ T3.15A/250V~
Sensitivity (direct in) +10 dBu
assuming no EQ has been applied.
!
* 0 dBu = 0.775 Volts; +10 dBu = 2.45 Volts
Fuse
Figure 3 - Basic E Oi.324 Audio and AC Connections

E Oi.324
7
APPLICATIONS
INTENDED APPLICATIONS
EVO Loudspeaker Systems have been optimized for small to mid-size venues, where a pair will sufficiently reinforce
sound for an audience of up to five hundred people. They have been designed with specific applications in mind: schools
and sports facilities; places of worship; and performance venues. Typically the program of events are quite varied and high
quality reinforcement is required for speech, live music and recorded music playback. Figures 4-7 below show some typical
type venues and an identifiable area that requires sound reinforcement, we identify this as the listening area. This section
describes how to optimize the placement and position of the EVO Loudspeaker in these typical applications in order that the
entire listening area receives good sound. These are very simple instructions and are for ideal situations.As guidelines, they
are approximate and it may not be possible to follow them in all situations. In the end, final aiming decisions must be based
on what is actually heard when walking the room. Use your ears.
Schools and Sports Facilities
Places of Worship
Fan-Shaped Room
Places of Worship
Rectangular-Shaped Room
Performance Venues
= istening Area = istening Area
= istening Area
= istening Area
Figure 4
Figure 6
Figure 7
Figure 5

E Oi.324
8
APPLICATIONS
LOUDSPEAKER BASICS
Horizontal Coverage Angles
Horizontal Coverage = 80°
Vertical Coverage Angles
ertical Coverage = 80°
EVO Sound System Design asics
The primary function of a sound reinforcement system is to make sure that all of the listeners in a given audience area are
able to understand the speech and/or lyrics that are being reinforced. The intelligibility of a loudspeaker system is a measure
of how “understandable” its output is. Intelligibility is optimized when the sound radiated from the loudspeaker is primarily
directed to the audience areas and away from microphones and reflective surfaces in the room.
In order to ensure that the radiated sound is directed primarily to the audience areas, great care must be taken in deciding on
loudspeaker placement and aiming. Understanding a loudspeaker’s coverage angles and the proper application of those
coverage angles is the first step towards designing a great sound reinforcement system.
EVOi.324 Coverage Angles
The majority of the sound coming from the EVOi.324 loudspeaker radiates at an angle of 80 degrees in the speaker’s
horizontal (side-to-side) plane and 80 degrees in the speaker’s vertical (top-to-bottom) plane. (Figures 8 and 9.)
-40° +40°
0°
(
on-axis
)
80°
EVOi.324
(top view)
-40°
0°
(on-axis)
+40°
80°
Figure 8 - 80° Horizontal
Coverage Figure 9 - 80° ertical
Coverage
EVOi.324
(side view)

E Oi.324
9
APPLICATIONS
EVOi.324 Coverage Angles
Placing this 80°x 80°speaker up in the air and pointing it
towards an audience area will result in a defined area of
coverage.
Table 1 : Throw Ratio
O
ptimized Covera
ge
R
educed
oud
n
ess
Out of Covera
ge
The Throw Ratio
Based on its area of coverage performance, the EVOi.324
has a height-to-depth Throw Ratio of 1:3. This Throw
Ratio can be used to optimally position the loudspeaker.
For example, if the EVOi.324 is installed at a height of 10’,
it will “throw” to a distance of 30’ away from the loud-
speaker and hence provide optimized coverage up to 30’
away.
Refer to Table 1 and Figure 11 below to identify either:
i. The throw (optimized coverage distance), for a given
fixed (pre-determined) height above the floor.
ii. The installation height necessary to provide the desired
throw (optimized coverage distance).
Aiming Point Downward
Installation (Distance from Tilt Aiming
Throw * Height Loudspeaker) Angle
30' 10' 20' 26.6°
40' 13' 4" 26' 8" 26.6°
50' 16' 8" 33' 4" 26.6°
60' 20' 40' 26.6°
70' 23' 4" 46' 8" 26.6°
80' 28' 8" 53' 4" 26.6°
90' 30' 60' 26.6°
100' 33' 4" 66' 8" 26.6°
110' 36' 8" 73' 4" 26.6°
120' 40' 80' 26.6°
* Optimized Coverage Distance
A
10'
10'
20'
20'30'40'50'60'70'
B
26.6°
26.6°
Throw (Optimized Coverage Distance) A
Throw (Optimized Coverage Distance) B
Figure 10 - Area of
Coverage
Figure 11 - Throw Ratio
Note that this area of coverage actually includes three
different areas: an area of “optimized coverage”(black); an
area of “reduced loudness”(gray); and an area “out of
coverage”(white).
Understanding the optimum performance of the EVO
Loudspeaker through the use of a simple Throw Ratio and
Aiming guide line will help you achieve optimized
coverage over your defined listening area.

E Oi.324
10
LOUDSPEAKER BASICS
Aiming EVO
Once the optimum height of the EVO loudspeaker has been
identified it needs to be aimed to achieve the desired
coverage area. The point at which to aim is derived from a
simple height-to-depth aiming ratio of 1:2. For example, if
the EVOi.324 is installed at a height of 10’, it will “throw”
to a distance 30’away provided it is aimed to a point 20’
away. Refer to Table 1 and Figure 11 on page 9.
Maximum Performance Guideline
You may have noted from Table 1 that the guide does not
provide figures above a 40’installation height. Above a
height of 40’the useful throw and optimized coverage area
will not grow, in fact it will probably start to deteriorate
depending on the natural acoustics of the room.
The guidelines below can be used to determine the maxi-
mum performance achievable for a given loudspeaker
height above the listening area.
Program Maximum Maximum
Requirement Height Throw
Speech only 40’120’
Speech + acoustic music 40’120’
Amplified live music 20’60’
Loud, playback music 20’60’
APPLICATIONS
Using More Than One Speaker
Stereo and Arrays
So far we have discussed the simplest sound reinforcement
system configuration, a single EVO loudspeaker. Most
applications will require the use of more than one
EVOi.324, either because a stereo Left –Right effect is
required (see Figure 12)...
Stage
0°
( on-axis)
Stage
0°
(on-axis)
0°
(on-axis)
-40° +40°
0°
(on-axis)
0°
(on-axis)
-40° +40°
140°
Optimum
istening
Area
Optimum
istening
Area
60°
Figure 12 - Stereo Left Right Placement
Figure 13 - Mono Two Speaker Array
Figure 14 - Optimum Splay Angle
...or additional coverage is required (e.g. for a wider
listening area). In this case, two EVOi.324s could be
arrayed together as in Figure 13.
Figure 14 to the left shows the optimum “Splay Angle”of
60°for a combined optimum horizontal coverage of 140°.
Exactly the same guidelines that are used for one loud-
speaker can be used for more than one: the Throw Ratio
and Aiming Ratio.

E Oi.324
11
APPLICATIONS
LOUDSPEAKER BASICS
When to use Delay Speakers
The use of more than one EVOi.324 may be necessary in
venues with extremely long listening areas.
For example if the listening area is 120’in depth and the
required performance is for “Loud Playback Music”the
Maximum Performance Guideline on page 10 indicates a
maximum 20’installation height. This will provide 60’of
throw. To cover the remaining 60’of listening area, a
second auxiliary/delay speaker is required (see Figure 15).
A
20'
20'
40'
40'60'80'100'120'140'
26.6°
B
20'
26.6°
Throw (Optimized Coverage Distance) A
Throw (Optimized Coverage Distance) B
Figure 15: Basic Delay Speaker Placement
Note that the sound from the delay speaker must be “in
sync”with the sound from the main speaker. This is
achieved by appropriately delaying the audio signal
arriving at the delay speaker and also by reducing its
overall output level. While these adjustments typically
require the use of complex measurement equipment,
expensive delay devices and years of audio experience,
they can be made automatically through the use of the
optional EVOi.net controller.

E Oi.324
12
APPLICATIONS
E Oi.324s IN RECTANGULAR ROOMS
Small Rectangular Room:
Longer Rectangular Room:
1 Main (Mono) + 1 Delay (Mono)
For a longer room additional coverage will be required to
cover the back rows of the listening area. This can be
achieved using an additional auxiliary (Delay) EVOi.324 as
shown in Figure 17.
As a guide this section provides some typical configurations for EVOi.324 installations, the approximate locations of each
EVOi.324 and the aiming position in the room. Please note that when the installation requires the additional support of an
auxiliary (Delay) EVOi.324s to cover larger listening areas, the use of EVOi.net is highly recommended as this will access the
automated “delay-set”feature.
60' 40' 20' 0'
0°
20’
60’
= Listening Area
Main
* Use EVOi.net
to set actual delay
and level.
60' 40' 20' 0'
0°
0°
20’
60’
60'
80'
= Listening Area
Main
Delay*
1 Main (Mono)
This is the simplest configuration. In this example, figure
16, one EVOi.324 will cover the entire listening area.
Stereo is not required, as this system is predominantly used
to reinforce speech only. The EVOi.324 is positioned 20’
above the floor and aimed to a point 40’away on the
central axis of the room. Optimum coverage will be
provided up to 60 feet away.
Figure 16
Figure 17

E Oi.324
13
APPLICATIONS
E Oi.324s IN RECTANGULAR ROOMS
Longer/Wider Rectangular Room:
2 Main (Stereo) + 2 Delay (Stereo)
For additional coverage in a longer room, two more
auxiliary (Delay) EVOi.324s can be used, positioned and
aimed as shown in Figure 19.
60' 40' 20' 0'
0°
20’
80’
= Listening Area
L
R
100' 40'
60'
80' 20' 0'
0°
20’
80’
L
R
L Delay*
R Delay*
* Use EVOi.net
to set actual delay
and level.
= Listening Area
Small/Wider Rectangular Room:
2 Main (Stereo)
For a wider room or where a stereo program is required
each EVOi.324 should be aimed according to the 1:3
“throw ratio”described in the previous section (page
8 & 9). In this example, the EVOi.324s are
positioned 20’high and aimed 40’away. They will
provide optimum coverage up to 60’away. In
addition, they should both be aimed at a single
point 40’away, the central axis of the room, as seen
in Figure 18.
Figure 18
Figure 19

E Oi.324
14
APPLICATIONS
E Oi.324s IN RECTANGULAR ROOMS
Larger/Wider Rectangular Rooms:
2 Main (Mono Array) + 2 Delay (Mono Array)
In a wide room where a stereo program is not necessary the Main and Delay EVOi.324s can be configured into Arrays for
broader coverage and supplied with a mono signal. (See page 10 for array specifics.) Figure 20 shows such an application.
100' 40'
60'
80' 20' 0'
0°
20’
100’
L
R
L Delay*
R Delay*
* Use EVOi.net
to set actual delay
and level.
= Listening Area
Figure 20

E Oi.324
15
APPLICATIONS
E Oi.324s IN FAN SHAPED ROOMS
Small Fan Shaped Room:
1 Main (Mono)
Like the small rectangular room, a simple configuration of
one EVOi.324 will provide enough coverage for the entire
listening area. Stereo is not required, as this system is
predominantly used to reinforce speech only. The
EVOi.324 is positioned 20’above the floor and aimed to a
point 40’away on the central axis of the room. Optimum
coverage will be provided up to 60’away as shown in
Figure 21.
Medium Fan Shaped Room:
2 Main (Mono Array)
In a wider room where a Mono program is required two
EVOi.324s can be arrayed together to provide wider
coverage. These are positioned as described in Figure 22
below.
60' 40' 20' 0'
0°
20’
60’
= Listening Area
Main
60'
40'
20'
0'
0°
20’
80’
= Listening Area
L
R
Figure 21
Figure 22

E Oi.324
16
APPLICATIONS
E Oi.324s IN FAN SHAPED ROOMS
Large Fan Shaped Room:
2 Main (Mono Array) + 2 Delay (Mono)
A larger version of the previous example, Figure 23, illustrates
the positioning of two Delay EVOi.324s to cover the listening
area that falls outside the optimum coverage of the Main
EVOi.324 Array.
100'
40'
60'
80'
20'
0'
0°
20’
100’
L
R
L Delay*
R Delay*
* Use EVOi.net
to set actual delay
and level.
= Listening Area
Figure 23

E Oi.324
17
PAINTING
EVOi.324 is readily paintable. The SMC (Sheet Molded
Compound) provides a lightly textured surface that any
standard household or industrial paint readily adheres to.
The result is a sound reinforcement system that is able to
blend unobtrusively into the decor of its environment.
Instructions for Painting:
1. It is strongly recommended that EVOi.324 be partially
disassembled to obtain optimum results. This requires
removing the grill, the handle bar, and suspension point
placeholder screws.
A. Remove the grill screw covers by gently prying off.
B. Remove six grill retain screws.
C. Remove four allen head screws from the grill frame.
D. Remove the grill taking care to keep the grill and grill
supports together.
E. Remove all six suspension placeholder screws.
F. Remove the four allen screws retaining the handle bar
and remove the bar.
2. Prepare all surfaces by wiping off dust and cleaning with
a damp cloth. It may be necessary to use a mild household
cleaner to remove grease.
3. Carefully mask the aluminum electronics enclosure on
the back of the speaker. IT SHOULD NOT BE PAINTED.
Removal of the electronics enclosure should only be done
by qualified service personnel.
4. Carefully mask the baffle area.Avoid getting paint on the
loudspeaker cones or in the waveguide. It’s not a good
thing.
5. Apply as many coats of paint as is required. Standard
household or industrial paints (i. e. waterbased latex or
enamel) will provide the best results. Spraying many thin
coats will provide the best results.
6. Assemble the EVOi.324 in reverse order as described in
Step One.
A
D
E
F
C
CE
Figure 24 - Exploded iew for Painting

E Oi.324
18
INSTALLATION
Overview
EVOi.324 has been designed to be permanently installed.
An eyebolt kit has been provided to facilitate suspension
from above: a ceiling, a beam or overhang. EVOi.324
weighs 65 pounds (29.5 Kg) and attaching this loudspeaker
to a surface is a task that should not be taken lightly.
Always consult a qualified person.
Suspension
WARNING !! Suspending this system should be done by
qualified persons following safe rigging standards. For
more information, please refer to the JBLTechnical
Note Volume 1, Number 14 – Basic Principles for
Suspending Loudspeaker Systems.
Before suspending an EVOi.324, be sure to inspect all
components for cracks, deformations, corrosion, and/or
missing or damaged parts that could reduce the strength
and safety of the installation.
Perform all calculations to ensure that all components are
used within their rated work load before suspending an
EVOi.324. Remember the weakest component determines
the size and safety of the entire installation.
There are 3 suspension points on the top and bottom of
EVOi.324, two toward the front of the enclosure and one to
the rear. Pull tests at a certified test facility have docu-
mented non-catastrophic failure at 450 –550 pounds for
each individual front suspension point and 1000 pounds for
the rear suspension point.
It is recommended that EVOi.324 be either suspended:
1. Equally from both of the front suspension points
together, or
2. From the rear suspension point, with the addition of a
safety cable to another suspension point.
For both recommendations, assuming a 7:1 safety factor,
the load on the suspension points should NEVER be greater
than 142.8 pounds (67.8 Kg).
For Example: Maximum Load Rating divided by EVOi.324
Net Weight = The number of speakers in a vertical array.
142.8 lb (67.8 Kg) / 65 lb (29.5 Kg) = 2.1
Therefore only two EVOi.324s may be used in a vertical
array if they are suspended from the points located on the
top of the enclosure in either recommendations 1 and 2
stated above.
Eyebolt Kit
Parts Included:
3 Shoulder Eyebolts
3 Washers
1 Suspension Advisory and Tech Note
Installing Eyebolts:
1. Remove suspension
placeholder screws.
2. Coat each eyebolt
with thread-locking
material (e.g., LocTite
#2 or equivalent).
3. Using the included
washers as stand-offs,
thread the eyebolts
into the open holes
and tighten.
Placeholder
Bolt
Eyebolt
Washer
Figure 25 - Remove
Placeholder Bolts
Figure 26 - Install Washers
and Eyebolts