EONSUB-G2 User Guide
Part Number: 981-00059-01
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Contents
Package Contents ..............................................................................................4
Agency Approvals and Certifications ................................................................4
Before You Begin - Important Information ......................................................4
Mounting / Suspending EON Speakers ............................................................4
Care and Maintenance ......................................................................................4
Stand Mounting and Precautions ......................................................................5
Electrical Safety ..................................................................................................5
About The EON SUB G2......................................................................................5
Applications ........................................................................................................5
Features ..............................................................................................................5
Technical Specifications ....................................................................................6
Frequency Response..........................................................................................6
Available Accessories ........................................................................................6
Controls and Connections..................................................................................7
Connectors ........................................................................................................7
Switches and Controls........................................................................................7
Indicators ............................................................................................................7
Block Diagram......................................................................................................8
About Subwoofers ..............................................................................................8
Application Examples..........................................................................................9
Stereo EON Mid / High System with EON Sub G2s ..........................................9
Mono Subwoofer ..............................................................................................10
Powered Sub with Passive Mid / High ............................................................11
Voltage Selection And Fuses............................................................................12
Changing Voltage..............................................................................................12
Fuse Replacement............................................................................................12
Troubleshooting ................................................................................................12
JBL Limited Warranty........................................................................................14
JBL Professional Contact Information ............................................................15
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Welcome
Welcome to the family of discerning sound equipment users who have selected JBL Professional
loudspeakers. EON is a creation of JBL, the world leader in sound reinforcement. JBL sound sys-
tems are used in some of the world’s most famous arenas, concert halls and clubs. In fact, JBL
speakers are the premier choice for today’s hottest touring acts and artists. You just can’t make a
more professional choice. This User Guide contains important information that will help you get the
most from your JBL EON loudspeakers so please take a moment to read it and be sure to keep it
in a safe place for future reference.
Congratulations and thanks from all of us at JBL Professional. You have invested in the best
portable performance system available.
PACKAGE CONTENTS
Your EON Sub G2 should include the following:
• 1 User Guide
• 1 EON Sub G2 speaker
• 1 10´ (3 m) IEC Power Cable
AGENCY APPROVALS AND CERTIFICATIONS
This EON G2 speaker complies with all International Safety Requirements for Mains Operated
Professional audio equipment under IEC65, and Electromagnetic compatibility, Radio interference,
Emissions and Immunity requirements.
BEFORE YOU BEGIN - IMPORTANT INFORMATION
Before using your EON Sub G2 speaker system please review the following for important informa-
tion on safety and protection of your investment in quality loudspeakers.
Mounting / Suspending EON Speakers
EON speakers are designed for portable applications in which the speakers will be stacked directly
on the floor, stage, speaker stands, or a solid, stable platform. Optional accessory items are avail-
able from JBL Professional and specific aftermarket suppliers to facilitate suspension and wall /
ceiling mounting of EON speakers. Only those items recommended by JBL Professional should be
used. When using these items, review all enclosed documentation and carefully follow all instruc-
tions and safety precautions.
CAUTION: Suspension of speakers should be done by qualified persons following safe rigging
standards and practices. Unsafe mounting or overhead suspension of any heavy load can result
in serious injury and equipment damage.
Care and Maintenance
While your EON speakers are rugged and will provide years of service, some common sense care
in handling will prevent damage and preserve appearance.
•
If your speakers will be frequently moved, consider a padded carrying bag (see AVAILABLE
ACCESSORIES).
•
If your EON speakers have been subjected to prolonged exposure to extreme low
temperatures, avoid subjecting them to heavy mechanical shock and warm the speakers up
by playing at a low volume for one hour before playing at loud levels.
4
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•
•
Keep the exterior of the speaker enclosure clean. Use a damp rag with a general-purpose
household detergent. For grease and marking tape residue, use a damp cloth with isopropyl
alcohol or mineral spirits and wipe dry. Do not use powerful solvents like acetone, MEK,
lacquer thinner or 1,1,1-Trichloro-ethane (household cleaning fluid). These solvents will
damage painted and co-polymer surfaces of your speakers.
EON speakers are not intended for fixed installation in outdoor environments. Moisture can
damage the speaker cone and surround, cause corrosion of electrical contacts, and create
an electrical shock hazard. Protect your speakers from moisture. Avoid exposing the speakers
to direct moisture. Any electrically powered device can produce dangerous shock hazards
when wet or exposed to moisture. Keep speakers out of extended or intense direct sunlight.
The driver suspension will prematurely dry out and finished surfaces will be degraded by
long-term exposure to intense ultra-violet (UV) light.
•
The EON Sub G2 contains no user serviceable parts. Refer servicing to an authorized JBL
service agency.
Stand Mounting and Precautions
Your EON speakers include a 35mm receptacle cup to facilitate mounting on tripod stands. When
using stands, be sure to observe the following precautions:
•
EON speakers include a thumb-screw that can be tightened to lock the speaker to the tripod
stand. Before mounting the speaker on the stand, be sure to loosen the screw so that it doesn’t
prevent the pole from fully penetrating the socket.
•
Check the stand specification to be certain it is designed to support the weight of the speaker
(see specifications). Observe all safety precautions specified by the stand manufacturer.
Always verify that the stand is placed on a flat, level, and stable surface.
Route cables so that performers, production crew, and audience will not trip over them and pull
the speaker over.
•
•
•
•
•
•
Be sure to fully extend the legs of tripod type stands.
Position the stand so that the legs do not present a trip hazard.
Do not attempt to place more than one speaker on a stand designed for a single speaker.
Always be cautious in windy, outdoor conditions. It may be necessary to place additional weight
(i.e. sandbags) on the base of the stand to improve stability.
The EON Sub G2 generates considerable energy. When placed on a slippery surface such as
polished wood or linoleum, the EON Sub G2 may move due to its acoustical energy output.
Precautions should be taken to assure that the speaker does not fall off a stage or table on
which it is placed. One solution is to place the speaker on a rubber mat.
Electrical Safety
All EON powered series speakers are fitted with a detachable power cord (supplied) which connects
to the AC mains on the back panel of the loudspeaker. The power cord has an IEC female connector
on one end and a male mains connector on the other end. This cord is supplied to accommodate
the different worldwide safety and electrical code requirements. If the power cord supplied with your
EON product has a 3-pin type plug do not cut off or damage the grounding plug. Like any electrical
appliance, your EON powered speakers should not be used in water or when wet.
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About the EON SUB G2
Applications
To supplement or extend the low frequency output of powered and non-powered full-range speaker
systems.
Features
• 15” Differential Drive™ low-frequency driver with dual neodymium magnet for high power handling,
efficiency, and light weight.
• 250 watts actual power delivered to the drivers.
• Balanced loop-through output.
• Thermomaster™ Total Thermal Management System®. A single piece, cast-aluminum baffle
integrates the woofer frame, horn, and amplifier heat-sink. Air movement in the finned ports
dissipates heat – no internal or external cooling fans are required.
• Rugged, light weight, black co-polymer enclosure with cast aluminum baffle.
• Integral 35 mm pole mount receptacle with securing thumb screw.
• Extended low-frequency performance. Delivers powerful bass down to 40 Hz.
Technical Specifications
Freq. Range (-10 dB)
Crossover Freq.
Maximum SPL
Dimensions (H x W x D)
Net Weight
40 Hz – 200 Hz
125 Hz
117 dB, @ 1 m (3.3 ft)
686 mm x 430 mm x 444 mm (27 in x 17 in x 17.5 in.)
19.5 kg (43 lbs.)
Driver
Integral frame with one 15” (380 mm) driver,
dual neodymium magnet, 2” differential drive voice coil.
Electronic
Amplifier Rated Power
Input Type
250 watts @ 2ohms, 0.1% THD
Balanced, differential
Maximum Input Level
Line Level In
+28 dBu
Speaker Level In
Input Impedance
Line Level In
120 VRMS, speaker level
16 ohms line level
Speaker Level In
Audio Connectors
Line Level In
143 ohms speaker level
XLR/F, balanced, line level
Speaker Level In
Loop Output
1/4” Phone, speaker level
XLR/M, balanced, line level
Low Pass Filter
AC Input
125 Hz Active, 3-pole
110 – 230 VAC, selectable, 50 – 60 Hz, 203 watts rating per UL,
detachable IEC power cable.
Available Accessories
SS2-BK
Tripod Stand
ESK15
BRK15
EON15 BAG-1
EON15 BAG/W-1
Suspension Kit for EON 15” models (except EON1500)
Bracket, adapts EON 15” models to OmniMount® brackets
Zippered, plush-lined speaker bag with wheels for EON15” models
Zippered, plush-lined speaker bag for EON15” models
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Controls and Connections
The audio section of the EON Sub G2 includes powerful features that enhance the flexibility of your
subwoofer.
Connectors
LINE LEVEL INPUT
This balanced input accepts a standard XLR (female) connector.
I
The LINE LEVEL INPUT is where the line level output of the audio
mixer will be connected.
N
P
U
T
LOOP THRU OUTPUT
This XLR (male) connector is in parallel with the LINE LEVEL input
and provides a convenient way to loop the audio signal from your
mixer into additional EON Subs or your powered mid / high speakers.
SPEAKER LEVEL INPUT
LINE LEVEL
LOOP THRU
This 1/4” phone jack accepts the high level output from a power
amplifier or powered mixer. The SPEAKER LEVEL INPUT is the
easiest way to add the EON Sub G2 to an existing system using
a powered mixer or external amplifier to drive mid / high speakers.
See “EON Sub G2 with Powered Mixer and Passive Mid / High
System” for more details.
O
U
T
P
U
T
Switches and Controls
POLARITY
The performance of a subwoofer depends on how it interacts with
the mid/high speaker system. Depending on characteristics of the
mid/high system and the relative position of the subwoofer, chang-
ing this switch may improve system performance. Depress this
switch to reverse the polarity of the subwoofer.
PEAK
VOLUME
VOLUME
The VOLUME control adjusts the input sensitivity of the EON Sub G2.
Indicators
POLARITY
Rev
PEAK
This red LED illuminates to indicate that the amplifier output
is approaching clipping.
Norm
POLARITY REV
SIGNAL
This LED illuminates to indicate that the subwoofer is operating with
reversed polarity. This means that a positive voltage on pin 2 of the
LINE LEVEL INPUT will cause the speaker cone to move
inward/backward.
SPEAKER
LEVEL
IN
SIGNAL
The SIGNAL LED illuminates to indicate that an audio signal is
present at the LINE LEVEL INPUT or the SPEAKER LEVEL INPUT.
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Block Diagram
POLARITY
NORMAL
REV
PEAK
LOOP
THRU
SIGNAL
REV
OUTPUT
LINE
LEVEL
INPUT
250W
EQ
HPF
LPF
VOLUME
SPEAKER
LEVEL
INPUT
About Subwoofers
Here are a few bass basics. The ear is far less sensitive to very low frequencies than it is to mid-
range frequencies. A 1,000 Hz sound at 95 dB SPL may seem obnoxious and painful to the ear
while 50 Hz. at 95 dB SPL will seem pleasantly powerful. Musicians, composers, and producers
know this instinctively and create music that contains a great deal of energy below 100 Hz. In order
to properly produce or reproduce this music, an audio system needs to be capable of delivering
much more acoustic output at low frequencies than in the mid band. Note that the capability of
delivering more output should not be confused with the characteristic of low-frequency equalization
boost. A system that is equalized to be perfectly flat may require as much as 20 dB more maximum
SPL capability in the low bass. This is because the requirement for the extra energy is already built
into the music. And contemporary dance music may rely even more on low frequencies for its
power and energy.
To meet this need, speaker designers developed specialized speakers called subwoofers.
Subwoofers are intended to work below 150 Hz. In fact, most subwoofers will sound downright bad
if you try to use them to reproduce sound above 200 Hz. There are even sub-species of subwoofers.
Some subwoofers are designed for extreme low–frequency extension and will go down as low as
20 Hz. This type of performance is usually more useful for cinema effects than for music. A sub that
goes down this low will be very large and probably require a lot of amplifier power. Another variety
of subwoofer that may be more appropriate and practical for portable music applications concen-
trates on delivering “punch”. Punch is what you experience when the kick drum hits you in the
chest. Much of what we think of as punch is in the 80 Hz. region.
Until recently, adding a subwoofer to a system was a complicated matter that required external
crossover networks, extra power amplifiers, and of course the subwoofer itself. The EON Sub G2
simplifies this task by combining all this into a single, simple and light weight system.
8
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Application Examples
Stereo System With EON Mid / High System with EON Sub G2s
This is a system in which a pair of EON Subs are used with a pair of EON 2-way powered speakers.
MIX
LOOP
MIX
LOOP
O
U
T
P
U
T
O
U
T
P
U
T
1
1
I
I
N
P
U
T
N
P
U
T
2
&
3
2
&
3
2
3
2
3
MIC
LINE
1
MIC
LINE
1
R-PEAK
R-PEAK
G-SIGNAL
G-SIGNAL
2
&
3
2
&
3
EON10-G2
EON10-G2
I
I
N
P
U
T
N
P
U
T
LINE LEVEL
LOOP THRU
LINE LEVEL
LOOP THRU
O
U
T
P
U
T
O
U
T
P
U
T
PEAK
PEAK
VOLUME
VOLUME
POLARITY
POLARITY
Rev
Rev
Norm
Norm
SIGNAL
SIGNAL
SPEAKER
LEVEL
IN
SPEAKER
LEVEL
IN
EON SUB
EON SUB
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Mono Subwoofer
Here’s a slightly more advanced set-up in which the subwoofers are not driven from the same
mixer output as the 2-way main speakers. Using the subwoofers in mono will not degrade the
stereo image because the ear does not do a good job of determining the source location of low fre-
quency sound. The illustration shows two ways of using EON subs in mono. While two subwoofers
are shown, you can also use this technique with a single subwoofer.
Driving the Subs from a Mono Output
Many mixers have a mono output that sums the left and right mix. The advantage of using this out-
put to drive your subwoofers is that you will have separate control over subwoofer volume from the
mixing console. This allows you to easily vary the balance between subwoofers and mid/high
speakers.
Driving the Subs from an Auxiliary Output
Many professional engineers will create a separate mix for subwoofers from the Auxiliary buss of
the mixer. This technique can improve low-frequency system performance in a number of ways.
The system operator has independent control of the overall balance between subs and mid/highs
and more flexibility in adjusting the blend of low frequency instruments. Let’s say that you want to
hear more lows from a bass guitar but don’t want to hear more overall bass guitar. This method
allows you to bring up the bass guitar in the subs without effecting the main mix.
Wind noise, handling noise, and bleed through of instrument amplifiers in a vocal mike can degrade
the low-frequency sound. By using this technique, sources such as vocal mikes that don’t have
desirable low-frequency content can be kept out of the subs. Send only the instruments (kick drum,
bass guitar, etc.) that actually have low-frequencies to your subs.
MIX
LOOP
MIX
LOOP
O
U
T
P
U
T
O
U
T
P
U
T
1
1
I
I
N
P
U
T
N
P
U
T
2
&
3
2
&
3
2
3
2
3
MIC
LINE
MIC
LINE
1
1
R-PEAK
G-SIGNAL
R-PEAK
G-SIGNAL
2
&
3
2
&
3
EON10-G2
EON10-G2
or
Option 2
Option 1
EONSUB-G2
EONSUB-G2
Mixing Board
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Powered Sub with Passive Mid / High
The SPEAKER LEVEL INPUT on your EON Sub G2 provides a simple and convenient way to add
subwoofers to a system with passive 2-way speakers.
IN
IN
THRU
THRU
Passive 2-way Speaker
Passive 2-way Speaker
EONSUB-G2
EONSUB-G2
From Powered Mixer
or Amplifier Outputs
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Voltage Selection And Fuses
Changing Voltage
Your EON Sub G2 will typically be set at the factory to accommodate the power mains voltage in
your area. Before you set up your EON Sub G2 for the first time it is a good idea to verify that the
setting of the selector is appropriate for the power in your area. Directly below the IEC power con-
nector you will see a seal that indicates the factory setting for the voltage. If the voltage indicated is
correct for your area, go ahead and power up your EON Sub G2.
In the event that you do need to change the voltage:
• Make sure that the AC is disconnected from the speaker.
• Directly below the male IEC connector on the speaker is a voltage selector. Break the factory-
applied seal.
• Set the voltage selector switch to the 115V or 230V setting as required for your area.
• After having reconfirmed that the correct voltage is selected, connect the AC (IEC connector)
and power the unit up.
DO NOT UNDER ANY CIRCUMSTANCES OPERATE THE UNIT WITH THE WRONG VOLTAGE
SELECTED. DOING SO MAY RESULT IN SERIOUS DAMAGE TO YOUR SPEAKER SYSTEM
WHICH WILL NOT BE COVERED BY WARRANTY.
Fuse Replacement
The EON Sub G2 has no user-serviceable fuses. Failure of fuses is most frequently a symptom of
problems requiring service by a competent technician.
Troubleshooting
Symptom
No sound
Likely Cause
Speaker not connected to
active AC power.
What to do
Verify that speaker is connected
and that the circuit is on.
Switch on power and verify that
power LED is on.
Power not switched on.
No sound, speaker is
Speaker power cable is faulty • Re-seat the power cable at both
connected to working AC
power but won’t come on.
or improperly connected.
ends.
• Substitute a known-good power
cable.
Blown fuse.
• There are no user-serviceable
fuses in the EON SUB G2. Take
your speaker to a competent
servicer.
No sound. Speaker comes
on. SIGNAL LED does not
illuminate.
Signal source (mixer,
instrument, etc.) is not
sending.
• Check VU meters on the source
mixer.
• Verify that the tape or CD is
playing.
• Use headphones to verify that
the instrument is actually sending
an audio signal.
Faulty cables and
connections.
• Disconnect and re-seat signal
cables.
• Replace suspected cable with a
known-good cable.
Signal sounds distorted and
very loud, PEAK light is lit
most of the time.
Excessive input signal, trying • Reduce the output level of the
to exceed the capabilities
of the speakers.
source.
• Turn down the LEVEL controls on
the speaker.
• Use additional EON speakers.
12
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Signal sounds distorted even
at moderate volumes, PEAK
light is not lit.
Mixer or other source is overdriven
Improper A/C ground or faulty
Review the Owner’s Manual
for your mixer and adjust
controls as needed
• Input sensitivity (gain)
• Channel faders
• Master faders
Disconnect or mute
Hum or Buzz that increases
or decreases when the mixer equipment connected to mixer
channels one at a time to
isolate the problem. Refer
to the owner’s manual of the
faulty equipment for
level controls are moved.
input
troubleshooting help.
Faulty cable between source
equipment and mixer
Substitute a known-good
cable for the suspected
faulty cable.
Hum or Buzz
Improper A/C grounding, ground
loops
• Connect all speakers to a
common power circuit.
• “Telescope” the audio
ground by using an XLR/F
to XLR/M adapter with
Pin1 disconnected on one
end.
• Re-route audio cables
away from AC power and
lighting cables.
Excessively long unbalanced cable
run
• Use the balanced outputs
(if available) of your mixer
or source equipment to
drive your EON speakers.
• Use a “DI” (direct injection)
box to convert your unbal-
anced equipment output
to a balanced output.
Reduce the INPUT 1, LINE
2, and LINE 3 controls and
increase the output level of
your source devices.
Improper system gain structure
Speakers feedback and howl Microphones are pointed into the
when the microphone volume speakers
is turned up
Move the speakers so they
do not point into the micro-
phone’s pick-up pattern.
Equalizer settings are incorrect
Locate the feedback fre
quency and reduce it using
the mixer EQ or an external
equalizer.
Excessive gain
Reduce the gain at the
mixer and move the micro-
phone closer to the sound
source.
13
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JBL Limited Warranty
The JBL Limited Warranty on professional sound products (except for loudspeaker enclosures)
remains in effect for five years from the date of the first consumer purchase. JBL amplifiers are
warranted for three years from the date of original purchase. Enclosures and all other JBL products
are warranted for two years from the date of original purchase.
Who Is Protected by This Warranty?
Your JBL Warranty protects the original owner and all subsequent owners so long as: A.) Your JBL
product has been purchased in the Continental United States, Hawaii or Alaska. (This Warranty
does not apply to JBL products purchased elsewhere except for purchases by military outlets.
Other purchasers should contact the local JBL distributor for warranty information.); and B.) The
original dated bill of sale is presented whenever warranty service is required.
What is Covered by the JBL Warranty?
Except as specified below, your JBL Warranty covers all defects in material and workmanship.
The following are not covered: Damage caused by accident, misuse, abuse, product modification
or neglect; damage occurring during shipment; damage resulting from failure to follow instructions
contained in your Instruction Manual; damage resulting from the performance of repairs by someone
not authorized by JBL; claims based upon any misrepresentations by the seller; any JBL product
on which the serial number has been defaced, modified or removed.
Who Pays for What?
JBL will pay all labor and material expenses for all repairs covered by this warranty. Please be sure
to save the original shipping cartons because a charge will be made if replacement cartons are
requested. Payment of shipping charges is discussed in the next section of this warranty.
How to Obtain Warranty Performance
If your JBL product ever needs service, write or telephone us at JBL Incorporated (Attn: Customer
Service Department), 8500 Balboa Boulevard, PO. Box 2200, Northridge, California 91329 (818-
893-8411). We may direct you to an authorized JBL Service Agency or ask you to send your unit to
the factory for repair. Either way, you’ll need to present the original bill of sale to establish the date
of purchase. Please do not ship your JBL product to the factory without prior authorization. If trans-
portation of your JBL product presents any unusual difficulties, please advise us and we may make
special arrangements with you. Otherwise, you are responsible for transporting your product for
repair or arranging for its transportation and for payment of any initial shipping charges. However,
we will pay the return shipping charges if repairs are covered by the warranty.
Limitation of Implied Warranties
ALL IMPLIED WARRANTIES, INCLUDING WARRANTIES OF MERCHANTABILITY AND FITNESS
FOR PARTICULAR PURPOSE, ARE LIMITED IN DURATION TO THE LENGTH OF THIS WARRANTY.
EXCLUSION OF CERTAIN DAMAGES
JBL’S LIABILITY IS LIMITED TO THE REPAIR OR REPLACEMENT, AT OUR OPTION, OF ANY
DEFECTIVE PRODUCT AND SHALL NOT INCLUDE INCIDENTAL OR CONSEQUENTIAL DAMAGES
OF ANY KIND. SOME STATES DO NOT ALLOW LIMITATIONS ON HOW LONG AN IMPLIED
WARRANTY LASTS AND/OR DO NOT ALLOW THE EXCLUSION OF INCIDENTAL OR
CONSEQUENTIAL DAMAGES, SO THE ABOVE LIMITATIONS AND EXCLUSIONS MAY NOT APPLY
TO YOU. THIS WARRANTY GIVES YOU SPECIFIC LEGAL RIGHTS, AND YOU MAY ALSO HAVE
OTHER RIGHTS WHICH VARY FROM STATE TO STATE.
14
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Contact Information
Mailing Address:
Outside the USA:
JBL Professional
Contact the JBL Professional Distributor in your area. A
8500 Balboa Blvd.
Northridge, CA 91329
complete list of JBL Professional international distributors is
Shipping Address:
Customer Registration:
JBL Professional
Register online at www.jblpro.com/registration
8370 Balboa Blvd., Dock D
Northridge, CA 91329
Customer Service:
Monday through Friday
8:00am - 5:00pm
Pacific Coast Time In the U.S.A.
(800) 8JBLPRO (800.852.5776)
On the World Wide Web:
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