X + 0 + Y 2 0 M HZ OWNER’S GUIDE PRODUCT LINE: ATX Series MODEL NUMBER: ATX20/30/40/60/10C/100S (230V) DESIGN GOAL: Bring the thrill of live performance and movie sound to the home environment by calling on JBL’s professional engineering leadership.
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 READ THIS! 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.
near these heat-dissipation systems may possibly affect the long term reliability of both your amplifier and the objects placed above it. Do not place CDs, record jackets, owner’s manuals or other paper on top of or beneath the unit or in between products containing amplifiers in a stack. This will block the air flow, causing degraded performance and a possible fire hazard. 20. Power Sources. This product should be operated only from the type of power source indicated on the marking label.
SPEAKER PLACEMENT Front Speakers Center Channel Speaker Subwoofer 0 – 0.61m (0 – 2 ft.) Surround Speakers 1.52 – 1.83m (5 – 6 ft.) Placement ATX Series loudspeakers are designed to give very good performance in a wide variety of placements. Best results, however, will be obtained when the speakers are placed on a strong and sturdy stand at a little distance from walls and corners. Placement in corners will increase the amount of bass, which can result in a “heavy” or “boomy” sound.
Danger: Low Power Loudspeakers can withstand a great deal of power as long as the sound is undistorted. You can safely use a power amplifier with a power rating greater than the loudspeaker system’s rated power, as long as the sound reproduced is clean and undistorted. When the power output of the amplifier is exceeded, distortion sets in. A large share of these distortion products is directed to the tweeter, creating a dangerous situation for the smallest driver in the system.
OPERATION With LFE Connection Phase Control Auto-On Signal Sensing If you are using the LFE input, the subwoofer's CROSSOVER control is NOT active, because this function is controlled by your surround processor. When using the LFE input, set the subwoofer's VOLUME control to "Max" and calibrate the subwoofer level along with the other speakers according to the set-up instructions in the owner's manual for your surround receiver/amplifier.
SPEAKER CONNECTIONS Speaker Level Connection Tips Separate and strip the ends of the speaker wire as shown. Speakers and amplifiers/ receivers have corresponding (+) and (–) terminals. The (+) lead of the speaker wire is noted with a stripe. It is important to connect all the 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.
LINE LEVEL If your receiver has a pair of stereo subwoofer outputs, connect interconnect cable from the receiver's left and right subwoofer outputs to the corresponding inputs marked LINE LEVEL IN L and R on the subwoofer. If your receiver has a single subwoofer output or a dedicated LFE output, connect interconnect cable from this output to the LFE input on the subwoofer.
Volume Subwoofer playback level can be adjusted using the rear panel Volume control. For detailed information on fine-tuning Volume and Crossover Frequency, see page 6. Subwoofer Level Subwoofer Crossover Crossover Frequency The crossover frequency knob determines the highest frequency your subwoofer will reproduce. It allows a seamless transition from the subwoofer to the satellite speakers. Experiment with this adjustment to find the crossover frequency that sounds best in your room.
SPECIFICATIONS ATX 20 30 40 Type: 2-way 3-way 3-way Frequency Response: 75Hz–20kHz 55Hz–20kHz 55Hz–20kHz Sensitivity (2.