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X + 0 + Y 2 |
0 M H Z |
O W N E R ’ S G U I D E |
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PRODUCT LINE: |
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® |
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MODEL |
SCS178 (230V) |
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NUMBER: |
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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
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R |
E A D |
T H I S ! |
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Important Safety Precautions! |
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Active (Powered) Products: |
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9. Wall or Ceiling Mounting. The product |
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CAUTION |
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should be mounted on a wall or ceiling only |
19. Ventilation. Slots and openings in the |
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when and as recommended by the manu- |
cabinet are provided for ventilation and to |
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RISK OF ELECTRIC SHOCK |
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facturer. |
ensure reliable operation of the product and |
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DO NOT OPEN |
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10. Cleaning. Unplug this product from the |
to protect it from overheating, and these |
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wall outlet before cleaning. Do not use liquid |
openings must not be blocked or covered. |
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CAUTION: To prevent electric shock, |
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cleaners or aerosol cleaners. Use a damp |
The openings should never be blocked by |
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do not remove the grounding plug |
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cloth for cleaning. |
placing the product on a bed, sofa, rug, or |
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on the power cord, or use any plug |
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11. Attachments. Do not use attachments not |
other similar surface. This product should not |
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or extension cord that does not have |
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recommended by the product manufacturer, |
be placed in a built-in installation such |
as a |
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a grounding plug provided. |
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Make certain that the |
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as they may cause hazards. |
bookcase or rack unless proper ventilation is |
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AC outlet is properly grounded. |
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12. Replacement Parts. When replacement |
provided or the manufacturer’s instructions |
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have been adhered to. |
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Do not use an adapter plug |
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parts are required, be sure the service tech- |
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Make certain that the proper space (more |
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with this product. |
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nician has used replacement parts specified |
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The lightning flash with arrowhead |
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by the manufacturer or that have the same |
than 10cm) is provided both above and below |
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symbol, within an equilateral triangle, is |
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characteristics as the original part. |
the unit for ventilation. If the amplifier will be |
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intended to alert the user to the |
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presence of uninsulated “dangerous |
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Unauthorized substitutions may result in fire, |
installed in a cabinet or other enclosed area, |
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voltage” within the product’s enclosure |
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electric shock or other hazards. |
make certain that there is sufficient air |
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that may be of sufficient magnitude to |
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constitute a risk of electric shock to |
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13. Safety Check. Upon completion of any |
movement within the cabinet, with means |
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persons. |
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provided for hot air to exit and for cool air to |
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service or repairs to this product, ask the |
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The exclamation point within an |
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be brought in. |
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equilateral triangle is intended to alert |
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service technician to perform safety checks |
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Do not obstruct the ventilation slots on the |
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the user to the presence of important |
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to determine that the product is in proper |
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operating and maintenance (servicing) |
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operating condition. |
top of the unit or place objects directly over |
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instructions in the literature |
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accompanying the appliance. |
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14. Feet/Spikes. When positioning, or moving |
them. Remember, power amplifiers generate |
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heat, and the heatsink fins and ventilation |
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this product ensure that is lifted rather than |
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slots that form part of the cabinet are spe- |
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General: |
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dragged across any floor/mounting surface. |
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cially designed to remove this heat. Placing |
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1. Unpacking: Check the product carefully. If |
This will avoid any damage to the floor/- |
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other electronic equipment near these heat- |
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mounting surface. Attention! Products and/or |
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it has been damaged in transit, report the da- |
dissipation systems may possibly affect the |
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product feet constructed of rubber or plastics |
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mage immediately by calling your dealer |
long term reliability of both your amplifier and |
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may, in seldom cases, react chemically and |
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and/or the shipping company that delivered |
the objects placed above it. |
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discolor treated or non-treated wooden sur- |
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it. |
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Do not place CDs, record jackets, owner’s |
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faces if positioned without protection. |
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2. Connections: Whenever changing, con- |
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15. Warranty: The following conditions may |
manuals or other paper on top of or beneath |
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necting or disconnecting signal or power |
the unit or in between products containing |
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result in a void product warranty: |
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cables etc., always turn off all equipment. |
amplifiers in a stack. This will block the air |
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a. the manufacturers serial number is remo- |
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This prevents transients from entering the |
flow, causing degraded performance and a |
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equipment and prevents electrical energy |
ved or forged. |
possible fire hazard. |
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from reaching you. Keep all connections out |
b. if repairs and/or modifications and/or other |
20. Power Sources. This product should be |
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of the reach of children. Before moving the |
treatments/tunings have been carried out |
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operated only from the type of power source |
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unit, be certain to disconnect any intercon- |
by non-authorized personnel or |
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indicated on the marking label. If you are not |
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nection cords with |
other components, and |
accessories/supplements are attached, |
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sure of the type of power supply to your |
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make certain that |
you disconnect any powe- |
which are not approved by |
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home, consult your product dealer or local |
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red units from the |
AC outlet. |
manufacturer/importer. |
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power company. For products intended to |
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3. Read Instructions. |
All the safety and |
16. Warranty: The following items are not |
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operate from battery power, or other sources, |
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operating instructions should be read before |
covered by the product warranty: |
refer to the operating instructions. |
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the product is operated. |
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a. Damage caused by inappropriate handling |
21. Grounding or Polarization. This product |
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4. Retain Instructions. The safety and ope- |
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despite clear instructions provided in the |
may be equipped with a polarized alternating- |
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rating instructions should be retained for |
owners manual. |
current line plug (a plug having one blade |
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future reference. |
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b. Damage to mechanical parts (such as |
wider than the other). This plug will fit into the |
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5. Heed Warnings. All warnings on the pro- |
record-/playback heads, moving rubber |
power outlet only one way. This is a safety |
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duct and in the operating instructions should |
and plastic parts and fuses) as well as |
feature. If you are unable to insert the plug |
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be adhered to. |
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results of normal wear and tear. |
fully into the outlet, try reversing the plug. If |
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6. Follow Instructions. All operating and use |
c. Damage caused by external action or |
the plug should still fail to fit, contact your |
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instructions should be followed. |
influence. |
electrician to replace your obsolete outlet. |
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7. Water and Moisture. The product should |
d. Damage caused by miss-use by user. |
Do not defeat the safety purpose of the |
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polarized plug. |
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not be used near water – for example, near a |
e. |
Damage |
caused by excessive electrical |
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22. Power-Cord Protection. Power-supply |
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bathtub, washbowl, kitchen sink, laundry tub, |
mains supply voltage or lightning strike. |
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in a wet basement, or near a swimming pool, |
cords should be routed so that they are not |
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f. Damage caused by fire, water or smoke. |
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and the like. |
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likely to be walked on or pinched by items |
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8. Accessories. To ensure proper operation |
g. Damage known to buyer prior to purchase. |
placed upon or against them, paying parti- |
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h. Damage caused by professional employ- |
cular attention to cords at plugs, con- |
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and to avoid the potential for safety hazards, |
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place the unit on a firm and level surface. |
ment of home entertainment products (e.g. |
venience receptacles, and the point where |
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When placing the unit on a shelf, be certain |
for catering trade, restaurants, public ad- |
they exit from the product. To avoid safety |
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that the shelf and any mounting hardware |
dress or infinite loop announcement use |
hazards, use only the power cord supplied |
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can support the product’s weight. Do not |
etc.) |
with your unit. If a replacement cord is used, |
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place this product on an unstable cart, stand, |
17. Specifications: All product specifica- |
make certain that it is of a similar gauge. We |
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tripod, bracket, or table. The product may fall, |
tions/features are subject to change without |
do not recommend using extension cords |
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with this product. As with all electrical |
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causing serious injury to a child or adult, and |
notification. |
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devices, do not run power cords under rugs |
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serious damage to the product. Use only with |
Passive Products: |
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or carpets or place heavy objects on power |
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a cart, stand, tripod, bracket, or table recom- |
18. Amplifiers: Amplifiers used to drive these |
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cords. Damaged power cords should be |
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mended by the manufacturer, or sold with the |
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units must deliver a sufficient output power. A |
replaced immediately, by a qualified service |
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product. Any mounting of the product should |
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lack of output power may lead to amplifier- |
technician, with cords meeting factory |
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follow the manufacturer’s instructions, and |
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clipping, which causes damage not covered |
specifications. When disconnecting the |
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should use a mounting accessory recom- |
by guarantee. |
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power cord from an AC outlet, always pull the |
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mended by the manufacturer. |
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plug; never pull the cord. |
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2
23. Non-use Periods. The power cord of |
26. Damage Requiring Service. Unplug this |
27. Servicing. Do not attempt to service |
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the product should be unplugged from the |
product from the wall outlet and refer |
this product yourself, as opening or |
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outlet when left unused for long periods of |
servicing to qualified service personnel |
removing covers may expose you to |
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time. |
under the following conditions: |
dangerous voltage or other hazards. Refer |
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24. Lightning. For added protection for this |
a. The power-supply cord or the plug has |
all servicing to qualified service personnel. |
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product during a lightning storm, or when it |
been damaged; or |
28. Object and Liquid Entry. Never push |
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is left unattended and unused for long |
b. Objects have fallen, or liquid has been |
objects of any kind into this product |
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periods of time, unplug it from the wall |
spilled into, the product; or |
through openings, as they may touch |
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outlet and disconnect the antenna or cable |
c. The product has been exposed to rain or |
dangerous voltage points or short-out |
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system. This will prevent damage to the |
parts that could result in a fire or |
electric |
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water; or |
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product due to lightning and power-line |
shock. Never spill liquid of any kind on the |
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d. The product does not operate normally |
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surges. |
product. The apparatus shall not be |
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when following the operating |
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25. Overloading. Do not overload wall out- |
exposed to dripping or splashing and no |
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instructions. Adjust only those controls |
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lets, extension cords, or integral conven- |
objects filled with liquids, such as vases, |
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that are covered by the operating |
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ience receptacles, as this can result in a |
shall be placed on the apparatus. |
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instructions, as an improper adjustment |
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risk of fire or electric shock. |
29. Heat. The product should be situated |
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of other controls may result in damage |
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away from heat sources such as radiators, |
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and will often require extensive work by |
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heat registers, stoves or other products |
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a qualified technician to restore the |
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(including amplifiers) that produce heat. |
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product to its normal operation; or |
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Avoid installation in extremely hot or cold |
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e. The product has been dropped, or the |
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locations, in an area that is exposed |
to |
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enclosure damaged; or |
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direct sunlight or near heating equipment. |
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f. The product does not appear to operate |
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When positioning the product in its final |
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normally or exhibits a marked change in |
location, make certain that it has adequate |
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performance. |
ventilation on all sides, as well as on the |
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top and bottom. |
T H A N K Y O U F O R C H O O S I N G J B L
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For more than 50 years, JBL |
We’re confident that the JBL |
or office, you will once again |
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has been involved in every |
system you have chosen will |
choose JBL. |
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aspect of music and film |
provide every note of enjoment |
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recording and reproduction, |
that you expected – and that |
JBL Consumer Products |
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from live performances to the |
when you think about |
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recordings you play in your |
purchasing additional audio |
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home, car or office. |
equipment for your home, car |
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I N C L U D E D
Four satellites for left/right |
One center channel speaker. |
Powered subwoofer. |
front and surrounds. |
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Two 6.1-meter (20-foot) speaker |
Three 12.2-meter (40-foot) |
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cables for connection from |
speaker cables for connection |
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receiver to subwoofer. |
from receiver to left and right |
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rear satellites and center |
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Two 4.6-meter (15-foot) speaker |
speaker. |
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cables for connection from |
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subwoofer to front speakers. |
3 |
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S P E A K E R P L A C E M E N T |
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Front Speakers |
Center Channel Speaker |
Subwoofer |
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0 – 0.6m (0 – 2 ft.) |
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Surround Speakers |
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150-180 cm |
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The front speakers should be |
The two surround speakers |
room. However, the best |
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placed the same distance from |
should be placed slightly |
reproduction of bass will be |
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each other as they are from the |
behind the listening position |
heard when the subwoofer is |
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listening position. They should |
and, ideally, should face each |
placed in a corner along the |
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be placed at about the same |
other and be at a level higher |
same wall as the front |
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height from the floor as the |
than the listeners’ ears. If that |
speakers. Experiment with |
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listeners’ ears will be, or they |
is not possible, they may be |
subwoofer placement by |
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may be angled toward the |
placed on a wall behind the |
temporarily placing the |
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listeners. |
listening position, facing for- |
subwoofer in the listening |
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ward. The surround speakers |
position and moving around the |
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The center channel speaker |
should not call attention to |
room until the bass |
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should be placed slightly |
themselves. Experiment with |
reproduction is best. Place the |
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behind the front left and right |
their placement until you hear a |
subwoofer in that location. |
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speakers, and no more than |
diffuse, |
ambient sound |
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two feet above or below the |
accompanying the main |
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tweeters of the left and right |
program material heard in the |
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speakers. It is often convenient |
front speakers. |
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to set the center speaker on top |
The low-frequency material |
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of the television set, as shown |
reproduced by the subwoofer is |
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in the drawing. |
mostly omnidirectional, and this |
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speaker may be placed in a |
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convenient location in the |
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4