JBL SCS 188 User Manual
OWNER’S GUIDE
®
PRODUCT LINE:
MODEL
NUMBER:
SCS 178 and SCS 188 (230V)
DESIGN GOAL: Bring the thrill of live performance and movie sound to the
home environment by calling on JBL’s professional engineering leadership.
SATELLITE TYPE:Titanium-laminate-dome tweeter, reflex-loaded enclosure
SUBWOOFER TYPE: Bass-reflex enclosure
PORT DESIGN: FreeFlow™ flared
PROFESSIONAL REFERENCE: Cinema Loudspeaker Series
X + 0 + Y2 0M
HZ
THANK YOU FOR CHOOSING JBL
For more than 55 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.
INCLUDED
Four satellites for left/right
front and surrounds. SCS 188
contains an additional satellite
to be used as surround back.
We’re confident that the JBL
system you have chosen will
or office, you will once again
choose JBL.
provide every note of enjoment
that you expected – and that
JBL Consumer Products
when you think about
purchasing additional audio
equipment for your home, car
One center channel speaker. Powered subwoofer.
Two 6.1-meter (20-foot) speaker
cables for connection from
receiver to subwoofer.
Two (Three in SCS 188)
12.2-meter (40-foot) speaker
cables for connection from
receiver to left and right rear
Three 4.6-meter (15-foot)
speaker cables for connection
satellites and surround back
speaker. (SCS 188 only)
from subwoofer to front
speakers and center speaker.
CAUTION
RISK OF ELECTRIC SHOCK
DO NOT OPEN
CAUTION: To prevent electric shock,
do not remove the grounding plug
on the power cord, or use any plug
or extension cord that does not have
a grounding plug provided.
Make certain that the
AC outlet is properly grounded.
Do not use an adapter plug
with this product.
The lightning flash with arrowhead
symbol, within an equilateral triangle, is
intended to alert the user to the
presence of uninsulated “dangerous
voltage” within the product’s enclosure
that may be of sufficient magnitude to
constitute a risk of electric shock to
persons.
The exclamation point within an
equilateral triangle is intended to alert
the user to the presence of important
operating and maintenance (servicing)
2
instructions in the literature
accompanying the appliance.
SPEAKER PLACEMENT
Front Speakers
Surround Speakers
The front speakers should be
placed the same distance from
each other as they are from the
listening position. They should
be placed at about the same
height from the floor as the
listeners’ ears will be, or they
may be angled toward the
listeners.
The center channel speaker
should be placed slightly
behind the front left and right
speakers, and no more than
two feet above or below the
tweeters of the left and right
speakers. It is often convenient
to set the center speaker on top
of the television set, as shown
in the drawing.
Center Channel Speaker
0 – 0.6m (0 – 2 ft.)
150-180 cm
The two surround 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 forward. The surround back
speaker (in SCS 188 only)
should be placed behind the
listening position, facing the
center speaker. The surround
speakers should not call
attention to themselves.
Experiment with their
placement until you hear a
diffuse, ambient sound
accompanying the main
program material heard in the
front speakers.
Subwoofer
The low-frequency material
reproduced by the subwoofer is
mostly omnidirectional, and this
speaker may be placed in a
convenient location in the
room. However, the best
reproduction of bass will be
heard when the subwoofer is
placed in a corner along the
same wall as the front
speakers. Experiment with
subwoofer placement by
temporarily placing the
subwoofer in the listening
position and moving around the
room until the bass
reproduction is best. Place the
subwoofer in that location.
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