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Summary of Contents for JBL Speaker System
- Page 2 Painting the Speakers Specifications Care & Maintenance, Troubleshooting User Notes, Warranty Thank you for purchasing a pair of JBL Merci davoir fait Iacquisltion de cette ControP Series speakers. JBL sound paire de haut-parleurs Control@ Series systems are installed in some of the de JBL.
- Page 3 JBL Professional's supporl of sound Des consoles de monrage er aes contractors. lransformare~rs ae d strloLnon en oot on...
- Page 4 MOUNT TO WALL - A A - " u LOOSEN CLAMP - -- REMOVE LOGO BADGE POSITION SPKR, """""* ATTACH SAFETY TIGHTEN CLAMP. CORDIMOUNT SPKR REPLACE LOGO BADGE...
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Page 5: Installation
JBL loudspeakers are mounted on a Professionnal n'est pas Responsable ceiling or wall. JBL Professional is des dommages eventuels dus a un not responsible for damages montage Defectueux de consoles ou resulting from the negligent de haut-parleurs. - Page 6 Input Simply connect the amplifier's 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 each, more than one speaker usually be wired to one amplifier channel (see See "amplifier impedance load"...
- Page 7 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 the minimum impedance rating of an amplifier channel damage the amplifier and degrade performance.
- 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 &...
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Page 9: Daisy Chaining
HORIZONTAL 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 move it to a 2 boundary corner, another t3dB for a three boundary corner! (see diag. - Page 10 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.
- 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.
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Page 12: Jbl Limited Warranty
JBL LIMITED WARRANTY Control Contractor products are designed and backed by JBL, the world leader in sound reinforcement. For complete JBL warranty information within the United States please refer to the warranty card enclosed with your Control Contractor product. In other areas of the world please contact your local JBL distributor. - Page 13 If none of the suggestions below solve your problem, contact your nearest JBL service center or JBL distributor. Problem 1. No Output. 2. Questionable or intermittent output such as crackling. 3. Constant noise such as buzzing, hissing, or the humming sound.
- Page 14 120". Ganging three MTC-2H brackets forms a 360" array suspension mount of up to six speakers. 0 1996 JBL PROFESSIONAL, 8500 BALBOA BLVD. NORTHRIDGE CA 91 329 108mm (7 5 x 5 5 x 4.3in) dimensions, this 50W 5"...
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