User manual JBL ARC50

[. . . ] 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 your needs and expectations. Speaker Placement ARC10, ARC30 ARC50 ARC Center Specifications ARC10 Frequency Response (­6dB): Recommended Maximum Power Handling*: Sensitivity @ 1 watt/1 meter: Nominal Impedance: Crossover Frequency: Woofer: Midrange: Tweeter: Dimensions (HxWxD): Weight (each): 75Hz ­ 20kHz 50 watts 86dB 8 ohms 2200Hz 5-1/4" N/A 2" paper cone 11 x 6-1/2 x 7-1/4 inches 280 x 165 x 184mm 7 lbs/3. 2 kg ARC30 50Hz ­ 23kHz 125 watts 90dB 8 ohms 3700Hz 6-1/2" N/A 1" pure titanium 17-3/8 x 9-5/8 x 8-1/4 inches 441 x 245 x 210mm 16 lbs/7. 3 kg ARC50 Frequency Response (­6dB): Recommended Maximum Power Handling*: Sensitivity @ 1 watt/1 meter: Nominal Impedance: Crossover Frequency: Woofer: Midrange: Tweeter: Dimensions (HxWxD): Weight (each): 36Hz ­ 23kHz 175 watts 90dB 8 ohms 930Hz, 5600Hz 10" 5" 1" titanium 39 x 12 x 11 inches 991 x 305 x 209mm 44 lbs/20 kg ARC Center 100Hz ­ 20kHz 70 watts 89dB 8 ohms 9000Hz 2 x 4-1/2" N/A 2" paper cone 6 x 16 x 6-1/4 inches 152 x 406 x 159mm 9 lbs/4. 1 kg Occasional refinements may be made to existing products without notice, but will always meet or exceed original specifications unless otherwise stated. *The maximum recommended amplifier power rating will ensure proper system headroom to allow for occasional peaks. We do not recommend sustained operation at these maximum power levels. two. Speaker Connections Connection Tips 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 amplifier. · Make sure all wires are con nected. Make sure none of the speaker wires is 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 bass output, check the following: · Make sure the polarity (+ and ­) of the left and right "Speaker Inputs" are connected properly. If there is no sound from the center speaker, check the following: · Make sure that your receiver's Center Channel Mode is in the "normal" or "wide" position. [. . . ] If there is no sound from the center speaker, check the following: · Make sure that your receiver's Center Channel Mode is in the "normal" or "wide" position. If it is in the "phantom" position, the center speaker will not play. [. . . ]