User manual JBL S412P II

[. . . ] STUDIO X+ 0+ Y2 0 M HZ 4" 8" X+ 0+ Y2 0 M HZ S412PII PRODUCT LINE: P O R T D E S I G N : FreeFlowTM flared X + 0 + Y 2 0 M HZ OWNER'S GUIDE STUDIOTM SERIES D E S I G N G O A L : Bring the thrill of live performance and movie sound to the home environment by calling on JBL's professional engineering leadership. T W E E T E R T Y P E : Pure-titanium dome with EOSTM waveguide W O O F E R T Y P E : Cast-aluminum basket with HeatScapeTM motor structure C R O S S O V E R N E T W O R K : Straight-Line Signal PathTM (SSP) P R O F E S S I O N A L R E F E R E N C E : Studio Monitor READ THIS! CAUTION RISK OF ELECTRIC SHOCK DO NOT OPEN CAUTION: To prevent electric shock, do not use this (polarized) plug with an extension cord, receptacle or other outlet unless the blades can be fully inserted to prevent blade exposure. 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) instructions in the literature accompanying the appliance. Important Safety Precautions! 11. This product should be operated only from the type of power source indicated on the marking label. [. . . ] The product should be mounted to a wall or ceiling only as recommended by the manufacturer. The product should be situated away from heat sources such as radiators, heat registers, stoves or other products (including amplifiers) that produce heat. THANK YOU FOR CHOOSING JBL 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 loudspeakers you have chosen will provide every note of enjoyment 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. Please take a moment to complete the enclosed profile card. It enables us to keep you posted on our latest advancements, and helps us to better understand our customers and build products that meet their needs and expectations. JBL Consumer Products SPEAKER PLACEMENT Proper placement of the speakers is an important step in obtaining the most realistic soundstage possible. These recommendations are for the optimal placement of the loudspeakers. Slight variations will not diminish your listening pleasure. The S412PII loudspeakers are video-shielded and can safely be placed near a television. The S412PII speaker features four rubber feet that enable it to be placed on a smoothsurfaced floor, such as tile or hardwood. Four metal spikes are supplied for use when the speaker is to be placed on a carpeted surface to decouple the speaker from the floor and prevent unwanted damping. To insert the spikes, gently lay the speaker on its side (not its front or back) on a soft, nonabrasive surface. Each spike screws into the threaded insert in the center of each rubber foot. Make sure all four spikes are screwed in completely for stability. NEVER drag the speaker to move it, as this will damage the spikes, the feet and/or the wood cabinet itself. Always lift the speaker and carry it to its new location. CAUTION: Floorstanding (tower) loudspeakers have a high center of gravity and may become unstable and tip over during earthquakes or if rocked, tipped or improperly positioned. If this is a concern, these speakers should be anchored to the wall behind them, using the same procedures and hardware customary for anchoring bookcases and wall units. Customer is responsible for proper installation and proper selection of hardware. 3 SPEAKER CONNECTIONS CONNECTION TIPS 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 and directionality of the program material. To use the binding-post speaker terminals, unscrew the collar until the passthrough hole in the center post is visible under the collar. Insert the bare end of the wire through this hole; then screw the collar down until the connection is tight. The hole in the center of each collar is intended for use with banana-type connectors. Speakers and electronics terminals have corresponding (+) and (­) terminals. It is important to connect both speakers identically: (+) on the speaker to (+) on the amplifier and (­) on the speaker to (­) on the SPEAKER-LEVEL CONNECTIONS RIGHT LEFT ­ + ­ + ­+ ­ + Receiver's Speaker Outputs 4 Your S412PII speakers should be connected to your receiver in two ways (at speaker level and line level) in order to achieve the best performance, especially when listening to program material recorded in digital formats, such as Dolby* Digital and DTS. ® Connect the left-front and right-front speaker terminals on your receiver or amplifier to the 5-way binding posts on the back of each S412PII speaker. [. . . ] 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 no (or low) bass output: · Make sure the polarities (+ and ­) of the left and right "Speaker Inputs" are connected properly. · Make sure that the speaker is plugged into an active electrical outlet and switched on, and that the green LEDs are displayed. [. . . ]