NQ-PA120, NQ-PA240, NQ-PA600 Public Address Amplifiers Installation and Use The Nyquist Public Address Amplifiers are DSPbased integrated mixer and power amplifiers designed for paging and public address applications. They enable microphone and line-level source inputs to be integrated into a Nyquist system. The NQ-PA120 and NQ-PA240 public address amplifiers are each a half-rack 1RU high enclosure. The NQ-PA-600 public address amplifier is a half-rack 2RU high enclosure.
WARNING: To reduce the risk of fire or electric shock, do not expose this apparatus to rain or moisture. Avertissement: pour réduire le risque d’incendie ou de choc électrique, ne pas exposer cet appareil sous la pluie et l’humidité. The apparatus shall not be exposed to dripping or splashing and that no objects filled with liquids, such as vases, shall be placed on apparatus.
struée ou doit être facilement accessible pendant son utilisation. Pour être complètement déconnecté de l’alimentation d’entrée, la prise doit être débranchée du secteur. Minimum distances 10cm around the apparatus for sufficient ventilation. - 10cm distance minimale autour de l’appareil pour une aération suffisante The ventilation should not be impeded by covering the ventilation openings with items, such as newspapers, table-cloths, curtains, etc.
Notice Every effort was made to ensure that the information in this manual was complete and accurate at the time of printing; however, all information is subject to change. Important Safety Information WARNING: To reduce the risk of fire or electric shock, do not expose this apparatus to rain or moisture. 4 1200 MacArthur Blvd. Suite 304, Mahwah, NJ 07430 • 1-800-999-2809 © Copyright 2019, Bogen Communications, Inc.
Always comply with the following basic safety precautions when installing and using the unit: 1. Read these instructions. 2. Keep these instructions. 3. Heed all warnings. 4. Follow all instructions. 5. Clean only with dry cloth. 6. DO NOT install near any heat sources such as radiators, heat registers, stoves, or other apparatus (including amplifiers) that produce heat. 7. DO NOT defeat the safety purpose of the polarized or grounding-type plug.
8. Protect the power cord from being walked on and/or pinched, particularly at plugs, convenience receptacles, and the point where they exit from the apparatus. 9. Only use attachments/accessories which are specified by the manufacturer. 10. Unplug this apparatus during lightning storms or when unused for long periods of time. 11. Refer all servicing to qualified service personnel.
apparatus, the apparatus has been exposed to rain or moisture, does not operate normally, or has been dropped. This equipment is not suitable for use in locations where children are likely to be present. Equipment is intended for use only in a restricted access area. Installation To install the Nyquist Public Address Amplifier: 1. Ensure the POWER switch is in the off position. 2. Connect the universal mains power line cord into the amplifier. 3.
4. Connect the loudspeaker wires to the Amplifier Output Terminals, which are labeled + and -. This amplifier is configured for single-channel operation for 70V/8Ω applications. 8 1200 MacArthur Blvd. Suite 304, Mahwah, NJ 07430 • 1-800-999-2809 © Copyright 2019, Bogen Communications, Inc.
Notice The minimum impedance of this 70V/8Ω High Impedance system should not be less than 8Ω. The combined total power of each speaker tap must not exceed 80% of the rated amplifier power. Failure to observe minimum speaker impedance will cause the amplifier to self protect until the speaker configuration is corrected. 5. If using Mic/Line Input, route the input. This amplifier uses a balanced analog audio input. You can use either XLR or Phoenix (but not both) as the input. 6.
8. For information about configuring the amplifier for the Nyquist system, refer to the Nyquist Public Address Amplifiers Configuration Manual. Power Ratings The NQ-PA120 can provide 120 Watts into 70V or 8Ω load configurations. The NQ-PA240 can provide 240 Watts into 70V or 8Ω load configurations. The NQ-PA600 can provide 600 Watts into 70Vor 8Ω load configurations. Viewing and Understanding LEDs Two LEDs appear on the front of the amplifier.
The STATUS LED uses the following indicators to provide information about the appliance: • Flashing red – No network connection found. • Solid blue – The amplifier is in an uninitialized state and is not associated to a server. (The server may be in a discovery mode.) • Solid green – The amplifier is registered to a Nyquist server and is in normal operation. • Flashing green – The amplifier has an IP address but is not registered with the Nyquist server.
Clipping, Protection, and Temperature Indicators In addition to the LEDs that appear on the actual appliance, separate amplifier module signal clipping, protection mode, and temperature status indicators appear in the Nyquist amplifier’s webbased user interface. For more information about these status indicators, refer to the Nyquist Public Address Amplifiers Configuration Manual.
Compliance NOTE: This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to Part 15 of the FCC rules. These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instruction manual, may cause harmful interference to radio communications.
Limited Warranty, Exlusion of Certain Damages The NQ-PA120, NQ-PA240, and NQ-PA600 Public Address Amplifiers are warranted to be free from defects in materials and workmanship for five (5) years from the date of sale to the original purchaser.
MAKES NO OTHER WARRANTIES OF ANY KIND, EITHER EXPRESS OR IMPLIED, AND ALL IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE ARE HEREBY DISCLAIMED AND EXCLUDED TO THE MAXIMUM EXTENT ALLOWABLE BY LAW. Bogen’s liability arising out of the manufacture, sale or supplying of products or their use or disposition, whether based upon warranty, contract, tort or otherwise, shall be limited to the price of the product.
qualify for warranty service, may be repaired or replaced at Bogen’s option with a previously repaired or refurbished items. The parts and labor involved in these repairs are warranted for 90 days when repaired by the Bogen Factory Service Department. All parts and labor charges as well as shipping charges will be at the owner’s expense. All returns require a Return Authorization number. For most efficient warranty or repair service, please include a description of the failure.
