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INTRODUCTION

JBL Balboa

SUB10 Powered

Subwoofer

For more than 60 years, JBL

®

has been providing audio equipment 

to concert halls, recording studios and movie theaters around the
world, and has become the hands-down choice of leading recording
artists and sound engineers.

With the JBL Balboa Series, innovative technologies such as
titanium-laminate-dome tweeters, EOS waveguides and high-
performance transducers are available to you. Enjoy!

Unpacking the Subwoofer

If you suspect damage from transit, report it immediately to your
dealer. Keep the shipping carton and packing materials for future use.

PLACEMENT

Since the installation of a subwoofer can be somewhat more
complicated than installing full-range speakers, it is essential 
that you read this section very carefully prior to connecting the
subwoofer to your system. Should you have questions relating to 
your installation, it is advisable to contact either your dealer or
distributor, or visit www.jbl.com, for advice.

The performance of the subwoofer is directly related to its 
placement in the listening room and how you align the subwoofer

with its satellite speakers. Setting the volume of the subwoofer 
in relation to the left and right speakers is also of critical importance
because it is essential that the subwoofer integrate smoothly with the
entire system. Setting the subwoofer’s volume level too high will
result in an overpowering, boomy bass. Settingthe volume level too
low will negate the benefits of the subwoofer.

Here are several additional facts on installation that may prove
useful. It is generally believed by most audio authorities that low
frequencies (below 125Hz) are nondirectional and, therefore,
placement of a subwoofer within any listening room is not critical.
While in theory it is true that the larger wavelengths of extremely 
low frequencies are basically nondirectional, the fact is that, 
when installing a subwoofer within the limited confines of a room,
reflections, standing waves and absorptions generated within the
room will strongly influence the performance of any subwoofer
system. As a result, specific location of the subwoofer becomes
important, and we strongly recommend that you experiment with
placement before choosing a final location. 

Placement will depend upon your room and the amount and quality 
of bass required (for example, whether or not your room permits
placement of the subwoofer near either satellite). Be sure to leave a
minimum of six inches between the wall and the port on the subwoofer. 

3

Figure 1. This example shows the subwoofer positioned in the
corner to maximize bass output.

SUB

RIGHT-
CHANNEL

SPEAKER

PRIMARY
LISTENING
AREA

BALBOA Sub10.OM.qxd  8/2/06  3:22 PM  Page 4

Summary of Contents for BALBOA-SUB10

Page 1: ...BALBOA SUB10 120V JBL BALBOA OWNER S GUIDE...

Page 2: ...refer to the operating instructions 17 If an outside antenna or cable system is connected to the product be sure the antenna or cable system is grounded so as to provide some protection against volta...

Page 3: ...cal importance because it is essential that the subwoofer integrate smoothly with the entire system Setting the subwoofer s volume level too high will result in an overpowering boomy bass Settingthe v...

Page 4: ...NS Rear Panel FUSE T 2 5A L 250V TYPE AC 120V 60HZ 200 Watts A Harman International Company 0 Subwoofer Level Control 1 Crossover Adjustment 2 Phase Switch 3 LFE Input 4 Line Level Inputs 5 Power Indi...

Page 5: ...ceiver processor with a low frequency effects LFE or subwoofer output If your receiver processor does not contain a Dolby Digital or DTS processor but has a subwoofer output SUBWOOFER OR LFE OUTPUT L...

Page 6: ...rpower the room but rather be adjusted so there is a harmonious blend across the entire musical range Many users have a tendency to set the subwoofer volume too loud adhering to the belief that a subw...

Page 7: ...s atmospheric conditions and other factors but once per year is the minimum If a problem occurs make sure that all connections are properly made and clean If a problem exists in one loudspeaker revers...

Page 8: ...of the transducer using a 50Hz sine wave burst 3 cycles on 17 cycles off 2006 Harman International Industries Incorporated All rights reserved Part No 406 000 05480 E PRO SOUND COMES HOME Harman Cons...

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