QSC WideLine Array User's Manual
Contents
1. company based inAllentown Penn He can be contacted at wbecker systemsbycsi com Reprinted from Pro Audio Review i p z a i T FP URA j eee SE eee z mi a g n2. Gear amp Software Reviews For The End User REPRINTED FROM AUGUST 2005 First Look By WayNE BECKER SC has widely been known for their power amplifiers Their reliable and accurate sound has been a mainstay in touring and installed sound for decades However within the past two years QSC has made a bid for their place in the loud speaker market coming out with some very good cost effective designs One of their latest designs the ISIS WideLine array has opened to a critical audience of audio professionals The design objective for the WideLine array as stated by QSC is To design a com pact system that would perform as a larger system in terms of power handling frequency response and coverage The primary focus is to be on the regional corporate user in ball room situations theaters and the myriad of small to medium size events that confront such users daily And recently I had a chance to demo the ISIS WideLine arrays at the Trump Taj Mahal Hotel and Casino in Atlantic City New Jersey The demo was held in the main ball rooms A amp B along with the entire line up of the latest QSC installed sound offerings QSC did it up right with a full live rig includ ing a Yamaha DM2000 digital mixing con sole a host of outboard effects and of course QSC power amps and loudspeaker processors all running under the control of their QSControl net platform software Venue Manager And not only did they have various p
3. rogram material but they had an entire live band made up of piano drums upright bass guitar and vocalist The room roughly 150 feet x 150 feet was mostly empty had plush carpeted floors stuc co walls and some moveable partitions your basic huge conference room A few chairs were set up in front of the room in the middle WWW PROAUDIOREVIEW COM QSC ISIS WideLine Array Loudspeaker System section for attendees The WideLine arrays were hoisted to both sides of the stage area sporting eight array modules along with subs on both sides The frequency response seemed to be very consistent and the pattern control was well controlled from the front of the room to the back of the room The hori zontal response was very even and articulated throughout the coverage pattern Even though the room presented a delay off of the back wall the stack still presented a clear and unmarred direct field presence What I liked immediately about the sound of the WideLine is that it didn t have a hyped high end but rather a smooth midrange transi tioning to a clean but not overly bright top end Although not overbearing I did notice a bit of tubbiness in the lower midrange I attributed that to the room Overall I was impressed with the wide horizontal coverage and linear and even transition of frequency response as I moved to different seating locations from the front to the back of the room and from side to side between a
4. rrays The roll off of the pattern was decisive as well The intelligibility was good even in this less than ideal acoustical setting I was also impressed with the mid range frequency shading demonstration It seemed to make a noticeable difference in the response and behavior of the array Although I would have liked to do a few more tests with a male and female speaking voice the live sound of the vocalist and the program material of var ious artists I selected the CDs certainly pro vided me with enough proof that these arrays are certainly a good solution for this type of environment and other stage settings where Copyright 2005 JRS Publishing Inc Reprinted with permission eeE quick set up and quality sound are required THE PRODUCT The ISIS WideLine Array is made of a lightweight composite cabinet and comes in black or white finish with an optional weatherized version black only and weighs about 70 pounds Its multiple aper ture diffraction slot waveguide provides a wide dispersion of 140 degrees horizontal and 10 degrees vertical It also provides three way biamp or triamp design with selectable frequency shading between the enclosure s two woofers which are 10 inch 16 ohm long excursion high power 380 watts low frequency transducers afi po ee ae e es D EA i 4 a 7 a Sg Fee z m r a j lt B j a a a ek r 4 iti a ed Cees 7 a aa Si oi m m 7 b The cabinet also contain
5. s a single 1 4 inch exit 3 inch diaphragm 16 ohm neodymi um high frequency compression driver capable of handling 80 watts The hardware design incorporates all components neces sary for easy to use box to box rigging The WideLine s internal mid range frequency shading can be switched to either of the two woofers Both drivers handle the low fre quencies but only one driver handles the mids this is said to create a smoother pat tern control at the mid high crossover The s e ee a i sateen a aed 4 i Li A bait si e selectable frequency shading circuit enables an operator to redirect mid bass build up without touching the EQ for improved intelligibility in an otherwise problematic frequency range A switch allows the sound engineer to orient the enclosure s low frequency pattern for use as either house left or right without the need to flip boxes The modular design allows for the quick connection and rigging of the cabinets into an array The frequency response is stated to be 55 Hz to 18 kHz and Copyright 2005 JRS Publishing USA Inc Reprinted with permission a a sensitivity of 97 dB The dimensions of the cabinet are 10 75 inches H x 27 5 inch es W x 20 25 inches D Wayne Becker is vice president of sales for Communication Systems Inc and has worked in the pro audio and systems integra tion business for 23 years He also owns Westwires Digital USA a music production and consulting
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