User manual ELECTRO-VOICE A100 DATASHEET
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Manual abstract: user guide ELECTRO-VOICE A100DATASHEET
Detailed instructions for use are in the User's Guide.
[. . . ] The Xb is a manifolded, vented-box bass system utilizing two 457-mm (18-in. ) woofers. The two woofers face each other in a manifold chamber at the center of the enclosure. Patent Number 4, 733, 749) increases the acoustic loading, resulting in increased lowfrequency efficiency (at and slightly above box tuning) and reduced distortion compared to conventional direct-radiating designs. The woofers were designed as part of the Xb development and represent a step forward in state-of-the-art loudspeaker design in terms of high acoustic output with low distortion and low power compression. [. . . ] Crossover, Equalization and Signal Delay Controller The Xb is intended to be used with other X-ArrayTM loudspeaker systems (like the Xf or Xn, for example) to construct full-range arrays as an active system requiring an active crossover, equalization and signal delay controller. For basic applications, the Electro-Voice Dx38 2-in/4-out controller is recommended. For more sophisticated applications, the Klark Teknik DN8000 2-in/5-out controller is recommended. Linkwitz-Riley crossover filters with a minimum slope of 24 dB per octave at 125 Hz and 1, 760 Hz are recommended, and subsonic filter protection at 42 Hz or higher with a minimum slope of 12-dB/octave is recommended in the low-frequency section. Both the Dx38 and the DN8000 offer appropriate filtering, equalization and signal delay capabilities to provide optimum performance of the X-ArrayTM loudspeaker systems. Digital parameter settings for both controllers are available upon request. Electrical Connection and System Wiring Two paralleled Neutrik 8-pin Speakon® connectors are used for electrical connection to the Xb loudspeakers with the following pin assignments: LF1: Pins 2 Paralleled LF2: Pins 1 Paralleled The Xb wiring diagram is shown in Figure 7. Since the connectors are paralleled, it does not matter which connector is used as the input or output when paralleling Xb systems. Although Pins 3 and 4 are not used by the Xb systems, they are paralleled on the input panel. This allows an X-ArrayTM MB/HF box (like the Xf which uses Pins 3 and 4, but not Pins 1 and 2) to be paral-
Xb Bass System
leled with an Xb, allowing all eight conductors to be used with a single cable run to the amplifiers. Note that, when two Xb systems are jumped from one to another via the input/output connections, the amplifier home run cable will have two LF drivers on Pins 2 (for a 4-ohm load) and two LF drivers on Pins 1 (for a 4-ohm load). Field Replacement Normal service for the Xb requires only a #2 Phillips screwdriver and a 3/16-inch hexkey wrench. The drivers may be accessed as follows: LF: First remove the grille, then remove the screws securing the hatch on the front of the enclosure. Remove the screws securing the 18-inch woofer and lift the driver out of the enclosure. The following service parts are available from the service department in Buchanan, Michigan USA: LF #818-2883 EVX-180B complete driver Architects' and Engineers' Specifications The loudspeaker system shall be a twodriver, manifolded, vented-box low-frequency system with a frequency response from 37-160 Hz. The loudspeaker system also shall have two 457-mm (18-in. ) lowfrequency woofers and each shall have an 8-ohm, 101-mm (4-in. ) diameter voice coil and a 600-watt power rating. The loudspeaker shall have a rigging system enabling a column of loudspeakers to be hinged at their back corners, with relative downward angles set by adjustable rigging straps at the front. Sound Manufacturing Inc. , 3336 Primera Ave. , Hollywood, CA 90068 USA, 213/850-5042 or ATM Fly-wareTM, 2100 S. Wilmington Ave. , Carson, CA 90810 USA, 310/834-5914 Xrss Short Rigging Steel Straps: Two Xrss short rigging straps are used to attach the front of the top enclosure to the ATM grid. The Xrss may also be used at the front of two enclosures when a limited range of vertical angles are required. Sound Manufacturing Inc. , 3336 Primera Ave. , Hollywood, CA 90068 USA, 213/850-5042 or ATM Fly-wareTM, 2100 S. Wilmington Ave. , Carson, CA 90810 USA, 310/834-5914 General Rigging Supplies: A wide variety of standard and specialty rigging hardware components for both touring and permanent-installation applications is available. [. . . ] Exclusions and Limitations: The Limited Warranty does not apply to: (a) exterior finish or appearance; (b) certain specific items described in the individual product-line statement(s) below, or in the individual product data sheet or owner's manual; (c) malfunction resulting from use or operation of the product other than as specified in the product data sheet or owner's manual; (d) malfunction resulting from misuse or abuse of the product; or (e) malfunction occurring at any time after repairs have been made to the product by anyone other than ElectroVoice Service or any of its authorized service representatives. Obtaining Warranty Service: To obtain warranty service, a customer must deliver the product, prepaid, to Electro-Voice Service or any of its authorized service representatives together with proof of purchase of the product in the form of a bill of sale or receipted invoice. A list of
Xb Bass System
Xb Bass System Xb Bass System
authorized service representatives is available from Electro-Voice Service at 600 Cecil Street, Buchanan, MI 49107 (800-234-6831 or FAX 616-695-4743). Incidental and Consequential Damages Excluded: Product repair or replacement and return to the customer are the only remedies provided to the customer. [. . . ]
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