JBL Speaker EON PowerSub G2 User Manual

EON Sub G2 User’s Guide  
Part Number: 981-00059-00 Rev. A  
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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.  
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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 Drivelow-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.  
• ThermomasterTotal 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 35mm 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  
250 watts @ 2, 0.1% THD  
Input Type  
Balanced, differential  
Maximum Input Level  
Line Level In  
+28 dBu  
Speaker Level In  
Input Impedance  
Line Level In  
120 VRMS, speaker level  
16 kline level  
Speaker Level In  
Audio Connectors  
Line Level In  
143 kspeaker 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  
EON 15 WB  
EON 15 BAG  
Suspension Kit for EON 15˝ models (except EON1500)  
Bracket, adapts EON 15˝ models to OmniMount® brackets  
Zippered, plush-lined Cordurabag with wheels for EON15˝ models  
Zippered, plush-lined Corduracarrying 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.  
The LINE LEVEL INPUT is where the line level output of the audio  
mixer will be connected.  
I
N
LOOP THRU OUTPUT  
P
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.  
U
T
SPEAKER LEVEL INPUT  
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.  
LINE LEVEL  
LOOP THRU  
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  
SIGNAL  
POLARITY REV  
SPEAKER  
LEVEL  
IN  
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.  
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  
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.  
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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
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  
Rev  
POLARITY  
Rev  
Norm  
Norm  
SIGNAL  
SIGNAL  
SPEAKER  
LEVEL  
IN  
SPEAKER  
LEVEL  
IN  
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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  
R-PEAK  
G-SIGNAL  
G-SIGNAL  
2
&
3
2
&
3
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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  
11  
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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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JBL PROFESSIONAL CONTACT INFORMATION  
Mailing Address  
8500 Balboa Blvd.  
Northridge California 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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