Manual do usuário Bogen NEAR ORBIT OCS1

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54-2089-01B.qxp 6/18/2004 10:30 AM Page 1
Orbit Ceiling Speaker
OCS1
Installation and Use Manual
© 2003 Bogen Communications, Inc.
All rights reserved.
Specifications subject to change without notice.
54-2089-01B 0406

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54-2089-01B.qxp 6/18/2004 10:30 AM Page 2 Product Description Thank you for choosing NEAR® Orbit Loudspeakers.You have purchased one of the finest ceiling loudspeakers available today, the NEAR Model OCS1. Please familiarize yourself with this product by reading and reviewing the descriptions and diagrams in this manual. All NEAR products include similar technical and design aspects that are unique to the market. NEAR invented and patented the "spiderless" woofer (MLS™), which features a high

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54-2089-01B.qxp 6/18/2004 10:30 AM Page 3 Product Diagrams OCS1 Front Drawing (grille removed) 1. Coaxial Driver Assembly 2. Bass Tuning Vents (x2) 3. Grille Retention Groove 4. Power Tap Selection Switch 5. Mounting Clamp Screws (x4) OCS1 Front Drawing (grille removed) OCS1 Rear Drawing 6. Metal Back Can 7. Snap-Lock Input Connector 8. Mounting Clamps (x4) OCS1 Rear Drawing OCS1 Rear Drawing (terminal cover) 9.Terminal Covers (2 identical halves) 10. Eyelets (x2) 11. Mounting Screws (x4) 12.

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54-2089-01B.qxp 6/18/2004 10:30 AM Page 4 Installation The OCS1 can be installed in a variety of ceiling environments.The use of the TBCR (Tile Bridge Support Ring) accessory may be desired for many of these environments. For suspended ceilings, the use of a TBCR is strongly recommended to help support and distribute the weight of the speaker. In new construction installations, the TBCR, installed before sheetrock, acts as a routing template that ensures an accurate and neat hole for install

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54-2089-01B.qxp 6/18/2004 10:30 AM Page 5 Speaker Wiring All wiring should be done prior to installation and then plugged into the rear of the OCS1. Wiring is terminated at a snap-lock input connector. There are two positive and two negative terminals to accommodate daisy- chaining of speakers in a system. Daisy-Chaining The OCS1’s snap-lock input connector allows for easy daisy-chaining of speakers by providing a second terminal of each polarity. See the figures to the right and below for

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54-2089-01B.qxp 6/18/2004 10:30 AM Page 6 Selecting Power Levels The front-mounted selector switch is used to set the appropriate power level or impedance for your system. Using a small, flat-blade screwdriver, turn the knob until the slot points to the power level you require. 70V/100V Systems Both power setting scales for 70V and 100V systems are labeled on the speakers. On the 100V scale, the last position clockwise is marked with a symbol. Do not use this position in 100V systems. 16ΩΩ

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54-2089-01B.qxp 6/18/2004 10:30 AM Page 7 Specifications SPECIFICATIONS OCS1 * 60 Hz to 19 kHz Frequency Response (-10 dB) 1 6- /2" MDT Metal-Alloy Cone LF Driver (MLS Voice Coil Centering System) 3 HF Driver 20 mm ( /4") Polycarbonate Dome Sensitivity (1W/1M) 89.5 dBspl (Average 100 Hz - 10 kHz) Usable Coverage Angle 120° Impedance Ratings Low (16 ohms) / High (70V/100V) Power Input (Max.) 100W @ 16 ohms; 32W @ 70V/100V 70V: 32, 16, 8, 4, 2, 1W & 16 ohms † Power Settings (in watts) 100V: 32,

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54-2089-01B.qxp 6/18/2004 10:30 AM Page 8 Accessories TBCR (Tile Bridge Support Ring) The TBCR is a combination tile bridge and support ring that assists in securing the OCS1 and in distributing the weight of the OCS1 in various types of installations. CK10 (Cable Kit,10') The CK10 is a 10-foot cable with one looped end and an adjustable cable clamp. It is suitable for use as a safety cable.The CK10 is available in black, white, or silver. Limited Warranty The Orbit Ceiling Speaker, model OCS