JBL SCS 138 Trio Owner'S Manual Download Page 3

3

I N C L U D E D

Four satellites for left/right
front and surrounds. Wall-
mount brackets.

One center channel speaker
with adjustable support leg.

Powered subwoofer.

For more than 50 years, JBL
has been involved in every
aspect of music and film
recording and reproduction,
from live performances to the
recordings you play in your
home, car or office.

We’re confident that the JBL
system you have chosen will
provide every note of enjoment
that you expected – and that
when you think about
purchasing additional audio
equipment for your home, car

or office, you will once again
choose JBL.

JBL Consumer Products

T H A N K   Y O U   F O R   C H O O S I N G   J B L

Two 6.1-meter (20-foot) speaker
cables for connection from
receiver to subwoofer.

Two 4.6-meter (15-foot) speaker
cables for connection from
subwoofer to front speakers.

Three 12.2-meter (40-foot)
speaker cables for connection
from receiver to left and right
rear satellites and center
speaker.

23. Non-use Periods.

The power cord of

the product should be unplugged from the
outlet when left unused for long periods of
time.

24. Lightning.

For added protection for this

product during a lightning storm, or when it
is left unattended and unused for long
periods of time, unplug it from the wall
outlet and disconnect the antenna or cable
system. This will prevent damage to the
product due to lightning and power-line
surges.

25. Overloading.

Do not overload wall out-

lets, extension cords, or integral conven-
ience receptacles, as this can result in a
risk of fire or electric shock.

26. Damage Requiring Service.

Unplug this

product from the wall outlet and refer
servicing to qualified service personnel
under the following conditions:
a. The power-supply cord or the plug has

been damaged; or

b. Objects have fallen, or liquid has been

spilled into, the product; or

c. The product has been exposed to rain or

water; or

d. The product does not operate normally

when following the operating
instructions. Adjust only those controls
that are covered by the operating
instructions, as an improper adjustment
of other controls may result in damage
and will often require extensive work by
a qualified technician to restore the
product to its normal operation; or

e. The product has been dropped, or the

enclosure damaged; or

f. The product does not appear to operate

normally or exhibits a marked change in
performance.

27. Servicing.

Do not attempt to service

this product yourself, as opening or
removing covers may expose you to
dangerous voltage or other hazards. Refer
all servicing to qualified service personnel.

28. Object and Liquid Entry.

Never push

objects of any kind into this product
through openings, as they may touch
dangerous voltage points or short-out
parts that could result in a fire or electric
shock. Never spill liquid of any kind on the
product. The apparatus shall not be
exposed to dripping or splashing and no
objects filled with liquids, such as vases,
shall be placed on the apparatus.

29. Heat. 

The product should be situated

away from heat sources such as radiators,
heat registers, stoves or other products
(including amplifiers) that produce heat.
Avoid installation in extremely hot or cold
locations, in an area that is exposed to
direct sunlight or near heating equipment.
When positioning the product in its final
location, make certain that it has adequate
ventilation on all sides, as well as on the
top and bottom.

Summary of Contents for SCS 138 Trio

Page 1: ...e performance and movie sound to the home environment by calling on JBL s professional engineering leadership SATELLITE TYPE Titanium laminate dome tweeter sealed enclosure SUBWOOFER TYPE Bass reflex enclosure PORT DESIGN FreeFlow flared PROFESSIONAL REFERENCE Cinema Loudspeaker Series MODEL NUMBER ...

Page 2: ...ainment products e g for catering trade restaurants public address or infinite loop announcement use etc 17 Specifications All product specifica tions features are subject to change without notification Passive Products 18 Amplifiers Amplifiers used to drive these units must deliver a sufficient output power A lack of output power may lead to amplifier clipping which causes damage not covered by g...

Page 3: ...ll outlet and refer servicing to qualified service personnel under the following conditions a The power supply cord or the plug has been damaged or b Objects have fallen or liquid has been spilled into the product or c The product has been exposed to rain or water or d The product does not operate normally when following the operating instructions Adjust only those controls that are covered by the...

Page 4: ...speakers should be placed slightly behind the listening position and ideally should face each other and be at a level higher than the listeners ears If that is not possible they may be placed on a wall behind the listening position facing for ward The surround speakers should not call attention to themselves Experiment with their placement until you hear a diffuse ambient sound accompanying the ma...

Page 5: ...n into a wooden wall stud If that is not possible use properly selected wall anchors The customer is respon sible for proper selection and use of mounting hardware available through hardware stores to properly and safely wall mount the speakers On the wall Wall brackets are included Slide speaker onto support On optional stands FS300S Place speaker and support on wall plate ...

Page 6: ...ripe It is important to connect all speakers identically on the speaker to on the amplifier and on the speaker to on the amplifier Wiring out of phase results in thin sound weak bass and a poor stereo image With the advent of multichannel surround sound systems connecting all of the speakers in your system with the correct polarity remains equally important in order to preserve the proper ambience...

Page 7: ...ht terminals on the subwoofer that are marked High Level In Connect the left and right terminals on the subwoofer that are marked High Level Out to the cor responding terminals on the back of your front left and right speakers Connect your receiver or amplifier s center left and right surround speaker terminals to the corre sponding terminals on the back of your center left and right surround spea...

Page 8: ...Connect this jack to the LFE output or subwoofer output on your receiver or amplifier Connect each speaker to the corresponding speaker terminals on your receiver or amplifier Make sure that you have configured your surround sound processor for Subwoofer On The front left front right center and rear speakers should all be set to Small Note When using the LFE input the subwoofer s Crossover control...

Page 9: ... Control The optimum setting for the SCS138 system is with the Crossover Control set to the Max position Crossover The Phase Control determines whether the subwoofer s piston like action moves in and out in phase with the main speakers or opposite the main speakers This is adjusted by pressing the button to the 0 or 180 position The 0 position of the phase button plays the bass signal in phase wit...

Page 10: ...s increased Check all wires and connecti ons between receiver amplifier and speakers Make sure all wires are connected Make sure none of the speaker wires are frayed cut or punctured If more than one pair of main speakers is being used check the minimum impedance requirements of your receiver amplifier If there is low or no bass output Make sure the connections to the left and right Speaker Inputs...

Page 11: ...eclare in own responsibility that the product described in this owner s manual is in compliance with technical standards EN 60065 1998 EN 55013 A14 1999 EN 55020 A14 1999 EN 61000 3 2 A14 2000 EN 61000 3 3 1 1995 EN 50081 1 1992 EN 50082 1 1992 Luc Emmanuel Godard JBL Harman Consumer International France 08 01 ...

Page 12: ...er Frequency Response 6dB 120Hz 20kHz Sensitivity 2 83V 1m 88dB Nominal Impedance 4 Ohms Recommended Amplifier Power 10 50 Watts RMS per Channel Drive Units 12mm Titanium Laminate Dome Video shielded HF Dual 75mm Paper Cone Video shielded Midrange Dimensions H x W x D 83mm x 194mm x 95mm 3 3 x 7 6 x 3 7 Weight 0 85kg 1 88lb SCS 138 Active Subwoofer Low Frequency Cut off 35Hz High Frequency Cut off...

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