WILSON AUDIO ALEXANDRIA II Owner'S Manual Download Page 1

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Summary of Contents for ALEXANDRIA II

Page 1: ......

Page 2: ...g in eer in g an d t h e Sales an d Ma rke t i n g Department The information con t ain ed h erein is su bject t o ch an g e wit h o ut notic e Cur rent Revision 2 0 If you are in n eed o f a mo re re...

Page 3: ...F i l t e r E ff e c t 2 1 S e c t i o n 2 3 R e s o n a n c e s 2 2 S t r u c t u r a l R e s o n a n c e 2 2 V o l u m e R e s o n a n c e 2 2 S e c t i o n 2 4 Y o u r R o o m 2 3 R o o m S h a p e...

Page 4: ...o m S e t u p 4 3 A l i g n m e n t P r o c e d u r e 4 3 I d e n t i f i c a t i o n o f A l i g n m e n t S p i k e s a n d T e t h e r B o l t s 4 3 S e c t i o n 4 3 M o u n t i n g U p p e r A r...

Page 5: ...s 6 4 S e c t i o n 5 2 E n c l o s u r e C o n s t r u c t i o n 6 5 M a t e r i a l 6 5 A d h e s i v e 6 5 C o n c l u s i o n 6 6 S e c t i o n 6 T r o u b l e s h o o t i n g 6 7 S e c t i o n 7...

Page 6: ...A l e x a n d r i a X 2 S e r i e s 2 O w n e r s M a n u a l 6 Wi l s o n A u d i o S p e c i a l t i e s M i s c e l l a n e o u s 9 3...

Page 7: ...7 Wi l s o n A u d i o S p e c i a l t i e s...

Page 8: ...A l e x a n d r i a X 2 S e r i e s 2 O w n e r s M a n u a l 8 Wi l s o n A u d i o S p e c i a l t i e s...

Page 9: ...S e c t i o n 1 I n t r o d u c t i o n...

Page 10: ...A l e x a n d r i a X 2 S e r i e s 2 O w n e r s M a n u a l 10 Wi l s o n A u d i o S p e c i a l t i e s 10 10...

Page 11: ...roduced Since that time technologies introduced in the MAXX the WATT Puppy and the Sophia made it clear that it was time to revisit Alexandria Among the technical innovations of the Alexandria All new...

Page 12: ...preserving the precise time relationships of the musi cal waveform The key to solving this problem lies in Wilson s innovative and patented Adjust able Propagation Delay technology which employs movab...

Page 13: ...er posi tioning in order to insure correct time alignment for a wide range of real room listening Figure 2 Alexandria s Modules Move Aspherically to Correct Propagation Delay Figure 2a Typical loudspe...

Page 14: ...se and far focusing distances for a high quality wide angle lens suggested a solution to the similar problem of time domain accuracy for large speaker systems at both near and far listening positions...

Page 15: ...S e ct i o n 1 1 I n t r o d u ct i o n 15 Wi l s o n A u d i o S p e c i a l t i e s...

Page 16: ...A l e x a n d r i a X 2 S e r i e s 2 O w n e r s M a n u a l 16 Wi l s o n A u d i o S p e c i a l t i e s...

Page 17: ...S e c t i o n 2 I n Yo u r R o o m...

Page 18: ...A l e x a n d r i a X 2 S e r i e s 2 O w n e r s M a n u a l 18 Wi l s o n A u d i o S p e c i a l t i e s...

Page 19: ...oudspeaker Therefore we offer the following section which will present some guidelines on room acoustics and their interactions with loudspeakers While we will also outline some detailed suggestions o...

Page 20: ...ice When you hear this transition you have entered the inner edge of the Zone of Neutrality Place a piece of tape on the floor to mark this location Although it will vary from room to room the zone in...

Page 21: ...and becomes wider If you were to extend the inner and outer boundaries of the Zone for the sidewalls and the front wall behind the speakers they would intersect After you complete this procedure for...

Page 22: ...the characteristic sound of the echo in the midrange Slap echo destroys the sound quality of a stereo system in two ways It adds harshness to the upper midrange and treble by storing time domain smea...

Page 23: ...echo somewhat Unfortunately their effectiveness is not predictable Diffusers are some times also used to very good subjective effect particularly in quite large rooms Sound absorbent materials such a...

Page 24: ...nce are primarily in the areas listed Tonal balance Resolution of low level detail Soundstaging Standing waves are more difficult to correct than slap echo because they tend to occur at a lower freque...

Page 25: ...when sound from a single source such as a loud speaker is directed toward a microphone or listener from a distance The first sound to reach the microphone is the direct sound followed by a delayed ref...

Page 26: ...s exhibit mid bass boom when struck The loudspeaker playing in the room also excites these reso nances To give you an idea of what the perfect wall would sound like imagine rapping your hand against t...

Page 27: ...e the greatest degree of low frequency control Section 2 4 Your Room Room Shapes Standing waves are pressure waves propagated by the interaction of sound and op posing parallel walls This interaction...

Page 28: ...room In these rooms the preferred speaker po sition for spatial placement and midrange resolution would be on the longer walls Bass response would be reinforced by speaker placement on the short wall...

Page 29: ...nd quality Odd numbers of chairs arranged in rows work best as this will allow a single chair to be positioned in the center This approach will also provide the best overall sound for the greatest num...

Page 30: ...ich to posi tion your loudspeakers Start with the speakers about 18 from each wall and if you need to move them relative to the side wall move them away from the wall not closer A very important aspec...

Page 31: ...d If possible the speakers should be positioned out into the room slightly asymmetrically vis a vis the side and rear walls The speakers should be toed in toward the listener preferably so that the li...

Page 32: ...Wi l s o n A u d i o S p e c i a l t i e s...

Page 33: ...S e c t i o n 3 U n c r a t i n g t h e A l e x a n d r i a...

Page 34: ...A l e x a n d r i a X 2 S e r i e s 2 O w n e r s M a n u a l 34 Wi l s o n A u d i o S p e c i a l t i e s...

Page 35: ...to be assembled This will avoid clutter in the work area that can result in damage to your loudspeakers Section 3 1 Uncrating the Alexandria Initial Check The Alexandria is shipped in seven wooden cra...

Page 36: ...e casters on the woofer are toward the floor 3 While one person holds the crate the other person should roll the woofer enclosure out of the crate Be very careful not to scratch the module dur ing thi...

Page 37: ...te on the underside of the lower hori zontal support Place the wings on the floor near the woofer modules matched to the woofer module with the same serial number 6 Remove the empty shipping crates fr...

Page 38: ...tes from the room Uncrating the Crossover Cover 1 Locate the crate labeled Crossover Covers see Figures 8 9 This crate contains the propagation delay cover and the resistor plate cover It also contain...

Page 39: ...equency modules left right channel 2 Upper midrange modules left right channel 2 Wing Arrays left right channel 2 Propagation Delay Alignment Plates left right channels 8 3 8 16 x 1 5 set screws 8 Spi...

Page 40: ...asher 12 20 x 1 Socket head screws 16 10 32 x 1 Socket head screws 16 10 x 438 Washer Complete set of resistors 4 sets of 2 soldered in series 75 ohm tweeter and ormidrange level resistors 2 34 6 ohm...

Page 41: ...S e ct i o n 3 1 U n c r at i n g t h e A l e x a n d r i a 41 Wi l s o n A u d i o S p e c i a l t i e s...

Page 42: ...A l e x a n d r i a X 2 S e r i e s 2 O w n e r s M a n u a l 42 Wi l s o n A u d i o S p e c i a l t i e s...

Page 43: ...S e c t i o n 4 A s s e m b l i n g Yo u r A l e x a n d r i a s...

Page 44: ...A l e x a n d r i a X 2 S e r i e s 2 O w n e r s M a n u a l 44 Wi l s o n A u d i o S p e c i a l t i e s...

Page 45: ...of experience and should be followed closely First place the woofer modules in the Zone of Neutrality as determined by the pro cedure outlined in Section 2 1 Final setup and tuning will follow the as...

Page 46: ...woofer module Carefully lower the wing onto the woofer module Locate six 1 4 inch diameter 1 1 2 hex head screws Attach wing assembly to woofer see Figure 11 Re attach Propagation Delay Plate Locate...

Page 47: ...opriate length lower midrange module tether bolts Insert tether bolts through the bottom of the plate see Figure 12 so that the threaded portion of the bolt protrudes through the top of the plate Atta...

Page 48: ...Geometric Time Domain Alignment Materials Required Tape measure Known listening position see Section 2 Alexandria Propagation Delay Alignment Tables from Section 8 Propagation Delay Alignment Propagat...

Page 49: ...8 By measuring the ear height and the distance from the speaker to the listening position you will be able to align the system for your listening position Alignment Procedure Each upper modules rear...

Page 50: ...ction 8 and locate the cor responding ear height for each module There are three charts per module the first is a table determining the rear spike length the second is a no mograph accompanied by a ta...

Page 51: ...for the modules Refer to the Alexandria Propga tion Delay Tables and the proce dure in the previous section to determine the correct Aspherical Propagation Delay spikes neces sary for each head The co...

Page 52: ...dule handle There are alignment tracks that accommodate the spikes Refer to the Propagation Delay Table to determine the numbered indent in which to rest the rear spike It is now safe to install the r...

Page 53: ...rear spike by lifting the rear of the UMRM and carefully screwing it in Refer to the Propagation Delay Table in Section 8 to determine the proper location of the rear spike noting that the position wi...

Page 54: ...upper range signal cables are labeled so that they can be easily attached to their appropriate module This is accomplished as follows Locate the cable marked Lower Mid Dress this cable through the ha...

Page 55: ...RM labeled Mid Frequency Carefully thread the speaker cable up through the hole located in the wing support and through a corresponding hole located on the module support blade just below the speaker...

Page 56: ...elow the speaker terminal see Figure 18 Section 4 5 Locking Down The Upper Modules Materials Required Refer to Identification of Alignment Spikes and Tether Bolts in Section 4 1 under Geometric Time D...

Page 57: ...in small in crements so that LMRM is tensioned symmetrically and snugly against the propagation delay spike see Figure 19 Note Do not use any tools to tighten the tether cap nuts Hand tighten only Ov...

Page 58: ...diode Note Do not tighten these assembled spikes You will need to unscrew them when you level the Alexendrias Place the set screw into the other end of the diode with the Allen head to ward the spike...

Page 59: ...S p e c i a l t i e s Section 4 7 Using the Lift to Install Spikes Materials Required Note This is a two person job Do not attempt this by yourself The Alexandrias weigh over 700 LBS and may seriousl...

Page 60: ...t Attach the wrench to the lift bolt and begin to slowly raise the front of the Alexandria by turning the bolt clockwise see Figure 21 After the front of the Alexandria is high enough you will need ap...

Page 61: ...at this point that an able assistant stabilize the front of the Alexandria until the rear spikes are attached and the unit is lowered Repeat the previous process of the caster removal spike insertion...

Page 62: ...f the outside spikes down to ward the floor You may rotate the spike tips in place by using a vice grip or toothed pliers To find out which spike to lower grasp the Alexandria channel and rock it back...

Page 63: ...Figure 22 Section 4 9 Installing the Back Covers Attach the cover over the resistor plate The cover at taches using the same stainless steel pin system as the grills see Figure 23 Note The rear resis...

Page 64: ...hese resistors in the event one of these two resistors is dam aged Additionally these two resistors can be used to tailor the output of the corresponding driver to overcome tonal balance issues that r...

Page 65: ...in all woofers and mid range drivers for a 12 hour period All drivers are then tested calibrated and matched for their acoustical properties In your listening room expect 25 to 50 percent of break in...

Page 66: ...A l e x a n d r i a X 2 S e r i e s 2 O w n e r s M a n u a l 66 Wi l s o n A u d i o S p e c i a l t i e s...

Page 67: ...S e c t i o n 5 C a r e o f A l e x a n d r i a X 2...

Page 68: ...A l e x a n d r i a X 2 S e r i e s 2 O w n e r s M a n u a l 68 Wi l s o n A u d i o S p e c i a l t i e s...

Page 69: ...room we have applied a removable layer of protective film over the finish We recommend that this film be left in place until the speakers are in their final location in your listening room Once you h...

Page 70: ...quired To maintain the high luster of the finish periodic polishing may be desired over the years We recommend a nonabrasive carnauba based wax and a soft cloth Care of the Grilles Periodically you wi...

Page 71: ...high hardness uniform density and dimensional stability In the construction of the Alexandria Series 2 Wilson Audio uses two types of composites dubbed X material and M material These strategic combin...

Page 72: ...nmatched performance The X 2 Alexandria s upper and lower cabinet modules have been designed to eliminate vibration and cabinet signature while maintaining an internal acoustical integrity Wilson s ex...

Page 73: ...S e ct i o n 5 2 E n c l os u r e C o n st r u ct i o n 73 Wi l s o n A u d i o S p e c i a l t i e s...

Page 74: ...A l e x a n d r i a X 2 S e r i e s 2 O w n e r s M a n u a l 74 Wi l s o n A u d i o S p e c i a l t i e s...

Page 75: ...S e c t i o n 6 T r o u b l e s h o o t i n g...

Page 76: ...A l e x a n d r i a X 2 S e r i e s 2 O w n e r s M a n u a l 76 Wi l s o n A u d i o S p e c i a l t i e s 76...

Page 77: ...v e r i s n o t w o r k i n g o r i s o u t o f p h a s e t h e A l e x a n d r i a w i l l n o t i m a g e p r o p e r l y D o u b l e c h e c k y o u r c o n n e c t i o n s f o r r e d t o r e d a...

Page 78: ...s t e n t o t h e c h a n n e l a t a l o w l e v e l Th e d r i v e r s h o u l d n o w b e o p e r a t i n g c o r r e c t l y C h e c k t o s e e i f y o u r s p e a k e r c a b l e s a r e p r o...

Page 79: ...o u t l e t D i s c o n n e c t t h e s p e a k e r c a b l e l e a d s t o t h e a m p l i f i e r a n d t u r n t h e a m p l i f i e r o n a g a i n Yo u h av e a s h o r t i n y o u r s p e a k e...

Page 80: ...Wi l s o n A u d i o S p e c i a l t i e s 80...

Page 81: ...S e c t i o n 7 S y s t e m S p e c i f i c a t i o n s 11 9 16 29 33 cm 18 13 16 47 79 cm 70 9 16 179 18 cm 25 3 4 65 33 cm 14 1 8 35 84 cm...

Page 82: ...A l e x a n d r i a X 2 S e r i e s 2 O w n e r s M a n u a l 82 Wi l s o n A u d i o S p e c i a l t i e s...

Page 83: ...Total System Shipping Weight approx Front Ported Rear Ported Sealed One 13 inch 33 0 cm One 15 inch 38 2 cm Two 6 3 4 inch 17 78 cm One 1 inch inverted dome 2 54 cm One I inch rear firing 2 54 cm 95 d...

Page 84: ...16 47 79 cm 70 9 16 179 18 cm 25 3 4 65 33 cm 14 1 8 35 84 cm A l e x a n d r i a X 2 S e r i e s 2 O w n e r s M a n u a l 84 Wi l s o n A u d i o S p e c i a l t i e s 84 Section 7 2 Figure 26 Alex...

Page 85: ...S e ct i o n 7 2 A l e x a n d r i a X 2 D i m e n s i o n s 85 Wi l s o n A u d i o S p e c i a l t i e s...

Page 86: ...A l e x a n d r i a X 2 S e r i e s 2 O w n e r s M a n u a l 86 Wi l s o n A u d i o S p e c i a l t i e s...

Page 87: ...S e c t i o n 8 P r o pa g a t i o n D e l a y Ta b l e s...

Page 88: ...A l e x a n d r i a X 2 S e r i e s 2 O w n e r s M a n u a l 88 Wi l s o n A u d i o S p e c i a l t i e s...

Page 89: ...S e ct i o n 8 P r o p a g at i o n D e l ay T a b l e s 89 Wi l s o n A u d i o S p e c i a l t i e s...

Page 90: ...A l e x a n d r i a X 2 S e r i e s 2 O w n e r s M a n u a l 90 Wi l s o n A u d i o S p e c i a l t i e s...

Page 91: ...91 Wi l s o n A u d i o S p e c i a l t i e s S e ct i o n 8 P r o p a g at i o n D e l ay T a b l e s...

Page 92: ...A l e x a n d r i a X 2 S e r i e s 2 O w n e r s M a n u a l 92 Wi l s o n A u d i o S p e c i a l t i e s...

Page 93: ...93 Wi l s o n A u d i o S p e c i a l t i e s S e ct i o n 8 P r o p a g at i o n D e l ay T a b l e s...

Page 94: ...A l e x a n d r i a X 2 S e r i e s 2 O w n e r s M a n u a l 94 Wi l s o n A u d i o S p e c i a l t i e s...

Page 95: ...95 Wi l s o n A u d i o S p e c i a l t i e s S e ct i o n 8 P r o p a g at i o n D e l ay T a b l e s...

Page 96: ...A l e x a n d r i a X 2 S e r i e s 2 O w n e r s M a n u a l 96 Wi l s o n A u d i o S p e c i a l t i e s...

Page 97: ...97 Wi l s o n A u d i o S p e c i a l t i e s S e ct i o n 8 P r o p a g at i o n D e l ay T a b l e s...

Page 98: ...Wi l s o n A u d i o S p e c i a l t i e s...

Page 99: ...S e c t i o n 9 Wa r r a n t y I n f o r m a t i o n...

Page 100: ...A l e x a n d r i a X 2 S e r i e s 2 O w n e r s M a n u a l 100 Wi l s o n A u d i o S p e c i a l t i e s...

Page 101: ...led by the Wilson Audio dealer that sold the product to the customer FAILURE TO COMPLY WITH EITHER REQUIREMENT NO 1 OR REQUIREMENT NO 2 WILL RESULT IN THE WARRANTY PERIOD BEING LIMITED TO A PERIOD OF...

Page 102: ...d for service or repair of the product without charge for parts or labor which ser vice or repair at the Dealer s option shall take place either at the location where the product is installed or at th...

Page 103: ...if the product had originally been bought for immediate resale to the retail customer Wilson Audio products are warranted for a period of 90 days unless extended to 5 years as provided above by retur...

Page 104: ...A l e x a n d r i a X 2 S e r i e s 2 O w n e r s M a n u a l 104 Wi l s o n A u d i o S p e c i a l t i e s...

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WILSON AUDIO ALEXANDRIA II, Owner'S Manual

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