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JBL Speaker System - page 1
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JBL Speaker System - page 2
Welcome and Thank You .................................................... I ........................................................... Product Description 2 The lnvisiBallTM Mounting System .............................. 3-4 Connections, Polarity, etc. ........................................... 5-6 Sound Indoors ................................. ...
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JBL Speaker System - page 3
Control@ 23, Control@ 25, Control@ 28 Estos modeos de gama completa de la Serie Control%ara contratistas eslan Control@ 23, Control@ 25, Control@ 28 These full range models of the ControP Series for contractors are designed for a wide variely of applications, be 11 outdoors, indoors, painted to match decor, stacked together, or arrayed s~de-by-side ...
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JBL Speaker System - page 4
-AA-"u MOUNT TO WALL - -- * REMOVE LOGO BADGE """""* ATTACH SAFETY CORDIMOUNT SPKR LOOSEN CLAMP L TIGHTEN CLAMP. REPLACE LOGO BADGE K- w 7@ POSITION SPKR, ...
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JBL Speaker System - page 5
INSTALLATION Installing with the InvisiBall TM Mounting System - The InvisiBalfM is a unique method of mounting a loudspeaker. Patents are La methode de montage d'un haut- parleur avec InvisibalfM est unique en son genre. Les brevets sont en instance pour le monde entier a propos de ce produit. L'lnvisibalfM est cony pour dtre discret, pe ...
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JBL Speaker System - page 6
Input - Simply connect the amplifier's "+" and "-" outputs directly to the red (+) and black (-) input jacks on the back of the enclosure (see diag. 1). - Since the loudspeakers have a rated ce of 8R each, more than one speaker usually be wired to one amplifier channel (see See "amplifier impedance load" below.) a ...
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JBL Speaker System - page 7
INPUT LEFT RIGHT AMPLIFIER 4Cl PER CHANNEL 6.n EACH CHANNEL -- SerieslParallel - It is possible to utilize various serieslparallel 'hook-up' topologies to increase the number of loudspea driven on an amplifier. See diag. 4 for one example of a serieslparallel hook-up topology. Note: Mismatching the speaker impedance such that it is below ...
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JBL Speaker System - page 8
because of differences in the acoustical setting. Since an enclosed room presents acoustical boundaries (walls, floors & ceilings), sound indoors exhibits quite complex behavior. Each time a sound wave strikes a boundary, part of the wave's energy is reflected and part is absorbed (see diag. 1). Reflection & absorption are dependent on ...
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JBL Speaker System - page 9
HORIZONTAL VERTICAL Boundary Loading - This is a good trick for increasing bass without taxing the amplifier. It is also possible to make a system sound too "muddy", so use caution. If you move the speaker from open space to a wall, bass notes will increase by + 3dB. If you move it to a 2 boundary corner, another t3dB ... and another t3dB ...
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JBL Speaker System - page 10
SOU Wind - Wind gives the illusion that a sound is coming from a different direction than it really is. This creates a re<ant propagation vector (see diag. 1). When sound propagates with the wind it tends to refract downward, and against the wind refract upwards (see diag. 2), (*refraction is the term used to describe the bending of sound). F ...
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JBL Speaker System - page 11
It is important to understand that just as the propagation of sound outdoors is effected by its surroundings so is the propagation of sound indoors. Some of these environmental factors exist in both cases, such as reflective surfaces and absorbant materials, but there are a few unique effects that may need to be considered. The factors described on ...
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JBL Speaker System - page 12
RODUCT CARE MAINTENANCE A A Your Control Contractor system has been designed and manufactured for durability and reliable service. As with any fine product, proper maintenance and care will extend the life of your system. You can expect your system components to perform indefinitely if you use them within their stated limits for power handling, and ...
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JBL Speaker System - page 13
If none of the suggestions below solve your problem, contact your nearest JBL service center or JBL distributor. Problem Possible Causekl """" Action 1. No Output. Speaker Cable(s) Replace the cable(s) connecting the loudspeaker system and amplifier. 2. Questionable or intermittent output such as crackling. 3. Constant noise suc ...
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JBL Speaker System - page 14
CONTROL@ 23 The most compact of the Control Contractor Series speakers, the Control 23 is ideal for limited space environments. Despite its 188 x 138 x 108mm (7 5 x 5 5 x 4.3in) dimensions, this 50W two-way system with 87dB sensitivity delivers crisp, articulate sonic quality from 225Hz to 2OkHz with no discernable phase distortion. Pairing a 3 5&q ...
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