Yorkville nx 55 p owners manual
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Page 1
The exclamation point within an equilatereal tr iangle is intended to alert the user to the presence of impor tant operating and maintenance (ser vicing) instructions in the literature accompan ying the appliance. Le point de xclamation à lintér ieur dun triangle équilatéral est prévu pour aler ter lutilisateur de la présence dinstr uctions impor tantes dans la littérature accompag - nant lappareil en ce qui concer ne lopération et la maintenance de cet appareil. This lightning flash with arro whead symbol, within an equilateral tr iangle, is intended to aler t the user to the presence of uninsulated dangerous v oltage within the products enclosure that ma y be of sufficient magnitude to constitute a r isk of electr ic shock to persons. Ce symbole déclair avec tête de flèche dans un tr iangle équilatéral est prévu pour aler ter lutilisateur de la présence dun « v oltage dangereux » non-isolé à pro ximité de lenceinte du produit qui pourrait être dampleur suffisante pour présente\ r un r isque de choque électr ique. IMPORTANT SAFETY INSTR UCTIONS safety-4v5.eps - Apr il 3/2007 CAUTION : TO REDUCE THE RISK OF ELECTRIC SHOCK, DO NOT REMO VE COVER (OR BA CK). NO USER SER VICEABLE PARTS INSIDE. REFER SER VICING TO QU ALIFIED SER VICE PERSONNEL. FOLLOW ALL INSTR UCTIONS SUIVEZ TOUTES LES INSTR UCTIONS Instructions per taining to a risk of fire, electric shock , or injury to a per son Read Instructions: The Owners Manual should be read and understood bef ore operation of y our unit. Please, save these instr uc- tions f or future ref erence and heed all wa rnings . Clean only with dr y cloth. Packaging: Keep the bo x and packaging mater ials, in case the unit needs to be retur ned for ser vice. Warning: To reduce the r isk or fire or electr ic shock, do not e xpose this apparatus to rain or moistur e. Do not use this apparatus near w ater! Warning: When using electr ic products, basic precautions should alw ays be f ollowed, including the f ollowing: Power Sour cesYour unit should be connected to a po wer source only of the voltage specified in the o wners manual or as ma rked on the unit. This unit has a polari zed plug. Do not use with an e xtension cord or receptacle unless the plug can be fully inser ted. Precau- tions should be tak en so that the grounding scheme on the unit is not def eated. HazardsDo not place this product on an unstab le cart, stand, tr ipod, bracket or tabl e. The product ma y fall, causing ser ious personal injury and serious damage to the product. Use only with car t, stand, tripod, bracket, or tab le recommended by the manufacturer or sold with the product. Follow the manuf acturers instructions when installing the product and use mounting accessor ies recommended by the manufacturer. The apparatus should not be e xposed to dripping or splashing w ater; no objects filled with liquids should be placed on the apparatus . Te rminals mark ed with the lightning bolt are hazardous live ; the e xternal wir ing connected to these ter minals require installation by an instructed person or the use of ready made leads or cords. Ensure that proper v entilation is provided around the appliance. Do not install near an y heat sources such as radiator s, heat registers, stoves, or other apparatus (including amplifiers) that produce heat. No nak ed flame source s, such as lighted candle s, should be placed on the apparatus . Power CordDo not def eat the saf ety purpose of the pola rized or grounding-type plug . A pola rized plug has two b lades with one wider than the othe r. A grounding type plug has two b lades and a third grounding prong . The wide b lade or the third prong are pro vided for your sa fety. If the pro vided plug does not fit into y our outlet, consult an electrician for replacement of the obsolete outlet . The AC supply cord should be routed so that it is unlik ely that it will be damaged . If the AC supply cord is damaged DO NO T OPERATE THE UNIT . Unplug this apparatus dur ing lightning storms or when unused f or long periods of time. ServiceThe unit should be ser viced only by qualified service personnel. AVIS: AFIN DE REDUIRE LES RISQUE DE CHOC ELECTRIQUE, NENLEVEZ P AS LE COUVERT (OU LE P ANNEA U ARRIERE) NE CONTIENT A UCUNE PIECE REP ARABLE P AR LUTILISA TEUR. CONSUL TEZ UN TECHNICIEN QU ALIFIE POUR L ENTRETIENT Instructions relatives au risque de feu, choc électrique, ou blessures aux per sonnes V euillez Lire le Manuel: Il contient des informations qui de vraient êtres compr ises avant lopération de v otre appareil. Conservez. Gardez S. V.P. ces instr uctions pour consultations ultér ieures et obser vez tous les av ertissements. Netto yez seulement av ec le tissu sec. Emballage: Conservez la boite au cas ou lappareil de vait être retour ner pour réparation. A ver tissement: Pour réduire le r isque de feu ou la décharge électr ique, n'exposez pas cet appareil à la pluie ou à l'humidité. Nutilisez pas cet appareil près de leau! Attention: Lors de lutilisation de produits électr ique, assurez-v ous dadhérer à des précautions de bases incluant celle qui suiv\ ent: AlimentationLappareil ne doit être branché quà une source dalime\ ntation correspondant au v oltage spécifié dans le manuel ou tel quindiqué sur lap\ pareil . Cet appareil est équipé dune pr ise dalimentation polar isée. Ne pas utiliser cet appareil av ec un cordon de raccordement à moins quil soit possib le dinsérer complètement les trois lames. Des précautions doiv ent êtres prises afin de viter que le système de mise à la terre de lappareil ne soit désengagé. RisqueNe pas placer cet appareil sur un char iot, un support, un trépied ou une tab le instables. L appareil pourrait tomber et b lesser quelquun ou subir des dommages impor tants. Utiliser seulement un char iot, un support, un trépied ou une tab le recommandés par le fa br icant ou v endus avec le produit. Suivre les instr uctions du fabricant pour installer lappareil et utiliser les accessoires recommandés par le f abricant. Il con vient de ne pas placer sur lappareil de sources de flammes nues , telles que des bougies allumées. Lappeil ne doit pas être e xposé à des égouttements deau ou des éclaboussures et quaucun objet rempli de liquide tel que des v ases ne doit être placé sur lappareil. Assurez que lappareil est f ourni de la propre v entilation. Ne procédez pas à linstallation près de source de chaleur tels que radiateur s, registre de chaleur, fours ou autres appareils (incluant les amplificateurs) qui produisent de la\ chaleur. Les dispositifs marqués dune symbole déclair sont des par ties dangereuses au toucher et que les câb lages extérieurs connectés à ces dispositifs de connection ex térieure doiv ent être eff ectivés par un opérateur formé ou en utilisant des cordons déjà préparés. Cor don dAlimentationNe pas enlev er le dispositif de sécur ité sur la prise polarisée ou la pr ise avec tige de mise à la masse du cordon dalimentation. Une prise polar isée dispose de deux lames dont une plus large que lautre. Une prise avec tige de mise à la masse dispose de deux lames en plus dune troisième tige qui connecte à\ la masse. La lame plus large ou la tige de mise à la masse est prévu pour v otre sécurité. La pr ise murale est désuète si elle nest pas conçue pour accepter ce\ type de pr ise avec dispositif de sécur ité. Dans ce cas, contactez un électr icien pour faire remplacer la pr ise murale . Évitez dendommager le cordon dalimentation. NUTILISEZ PAS L APP AREIL si le cordon dalimentation est endommagé. Débranchez cet appareil durant les orages ou si inutilisé pendant de longues pér iodes. ServiceConsultez un technicien qualifié pour lentretien de v otre appareil. S2125A
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1 This combination of Class D and Class H amplifier technologies helps keep distortion to a minimum while reducing the need for massive heat dis - sipation. In fact, to a level low enough to eliminate the need for heavy heatsinks. The advantage of this unique combina - tion of two-tier and Class D amplification has reduced extrane - ous heat to the point that NX55Ps can easily be used in any orientation (close to walls, floors and in close arrays with multiple cabinets). Competitive active loudspeak - ers, with large finned heatsinks, need to be operated vertically and with plenty of clear - ance (to ensure proper heat dissipation and ventilation). Since you have more versatility in regards to the orientation of the enclosure, the NX55P becomes ideal for flying in large clusters and in point-source concert sound systems. Yorkvilles designers took extra care making sure that in tight clusters overheating would not be an issue. Taking advantage of the design process, an opportunity was taken to tweak the electronics for maximum overall speaker performance and protection. Solutions were borrowed from our high-end TX-Series PA systems. The limiters used, at the input and crossover stages, are a complex combination of gain reduction and sweep - ing filters. If the NX55P is pushed to its maximum input/output levels, advanced filtering begins rolling off unnecessary subsonic frequencies. The processing also protects individual components ensuring failure free operation (even after long term operation at close to maximum output levels). The filter has a remarkable response time, less then 70ms, allowing the system to constantly be re-tuning itself. This makes sure the output is as clean, as loud and as clear as possible at any given moment. This is achieved without negatively affecting the overall sonic quality of the cabinet. This ensures that the essential part of the mix, like the vocals or solo instruments, come out clean and clear when the cabinet is being operated at the extremes of power and woofer excursion. Ex - tremely fast and accurate limiting is in place to protect the speaker components. As a bonus, the NX55P has a built in mixer! This al - lows the loudspeaker to be used directly with a micro - phone and/or line source. The loop output allows additional active cabinets to be driven from one source (up to a maximum of 50 NX55Ps). If desired, you can combine a pair of the NX55Ps using the mixer inputs on each cabinet and coupling the loop outputs. In this example you would have an ideal presentation system. Two microphone inputs, two line inputs (opti - mized for CD, Cassette or laptop computer audio source), complete within two speaker cabinets. As mentioned, our active cabinets can be linked together, the limitation is that only three mixers can be active at any one time. This allows three Mic sources and six line sources available in an array of three or more cabinets). The microphone inputs have equalization and high pass filtering designed appropriately for vocal applications. The trim control allows looped cabinets to be individ - ually adjusted in level. This is invaluable in ap - plications where large numbers of cabinets are used such as in clusters or in trade show applications (or when NX55Ps are used as repeater cabinets or for side fill). The 100 Hz high pass filters allow the NX55P to be used more efficiently with any active subwoofer. NX55P Active Full Range Loudspeaker Using the popular nx20 as a base, adding 550 Watts of bi-amped power and topping-it-off with aad - vanced signal processing, the NX55P is destined to set the new standard for active loudspeakers. The woofer amplifier, or low frequency amplifier, amp delivers over 450 Watts to the 12 inch neodymium woofer. To reduce the overall weight of the amplifier section, the woofer amplifier uses Class D switching technology. A 100 Watt, two-tier linear technology, Class H amplifier drives the 1 inch d\ ia - phragm horn driver. This allows the horn to produce clean transients while keeping up with the high output of the woofer. Two-tier amplifier technology isnt typically seen in a product like this, however we found the advantages (lower weight, more efficiency, higher headroom and lower operating temperature) made it a perfect choice for powering the top end.