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Wilson Electronics Alexandria XLF, Owner'S Manual, Page: 70 / 94

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Wilson Electronics Alexandria XLF Owner'S Manual Download Page 70

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sure. It was also chosen for its excellent bond strength, solvent resistance, hardness, and 

optimum vibrational characteristics. 

Conclusion

  The combination of the best in composite materials and adhesive technology, pro-

vided to us by the leaders in their industries, allows us to design an enclosure with 

unmatched performance. The Alexandria XLF’s upper and lower cabinet modules have 

been designed to eliminate vibration and cabinet signature while maintaining an internal 

acoustical integrity. Wilson’s exhaustive research into the effects of materials, enclosure 

construction strategies, and adhesives has yielded a product that maintains the strictest 

structural tolerances, durability, and reliability. The Alexandria’s performance is repeat-

able and is unaffected by different climatic conditions throughout the world. The Alex-

andria XLF redefines the boundaries of what is possible in enclosure design. 

70

Summary of Contents for Alexandria XLF

Page 1: ...A l e x a n d r i a X L F O w n e r s M a n u a l...

Page 2: ......

Page 3: ...o u s t i c s 1 9 F i n a l L i s t e n i n g R o o m S e t u p V o i c i n g 1 9 Z o n e o f N e u t r a l i t y 1 9 S e c t i o n 2 2 R o o m R e f l e c t i o n s 2 1 S l a p E c h o 2 1 S t a n d...

Page 4: ...a y P l a t e 4 4 S e c t i o n 4 2 G e o m e t r i c T i m e D o m a i n A l i g n m e n t 4 5 M a t e r i a l s R e q u i r e d 4 5 P r o p a g a t i o n D e l a y A l i g n m e n t 4 6 R o o m S e...

Page 5: ...d j u s t i n g t h e XLF p o r t 6 2 C h o o s i n g a P o r t C o n f i g u r a t i o n 6 2 I n s t a ll i n g t h e P o r t P l u g 6 3 S e c t i o n 4 1 2 B r e a k i n P e r i o d 6 4 S e c t i...

Page 6: ...t T a b l e 8 6 H i g h F r e q u e n c y M o d u l e T e t h e r B o l t T a b l e 8 7 U p p e r M i d r a n g e M o d u l e T e t h e r B o l t T a b l e 8 8 S e c t i o n 9 W a r r a n t y I n f o...

Page 7: ...S e c t i o n 1 I n t r o d u c t i o n S e c t i o n 1 I n t r o d u c t i o n...

Page 8: ......

Page 9: ...e baffle is constructed from Wilson s proprietary S material Re tuned crossovers and a host of parts each included as a result of exhaustive experimen tation and punctilious listening trials The Alexa...

Page 10: ...the characteristics of the sound room Since the system is completely passive it avoids the sonic pitfalls symptomatic to all active bass manage ment systems The Cross Load Firing port System on the A...

Page 11: ...s wing structure which supports the midrange and tweeter modules in the upper array is critical to the design for several reasons It provides the infrastructure that facilitates the precise aspherical...

Page 12: ...nt tweeter was developed to play down to the one kilohertz region with low distortion and high power handling ability Dave has been willing to trade ultra wide bandwidth for these more musically impor...

Page 13: ...onships With current technology no single transducer can reproduce the full range of music at realistic sound pressure levels while maintaining consistent dispersion The solution is the multiple drive...

Page 14: ...d by large speaker systems Typical of the creative process the solution itself came as a metaphor or rather an analogy to the field of optics and the design of wide angle lenses The means of maintaini...

Page 15: ...ment in realism wrought by Alexandria XLF is delightfully revolutionary Figure 2 Alexandria s Modules Move Aspherically to Correct Propagation Delay Figure 2b Aspherical Propagation Delay optimizes dr...

Page 16: ...A l e x a n d r i a XL F 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: ......

Page 19: ...uidelines on room acoustics and their interactions with loudspeakers While we will also outline some detailed suggestions on the setup of the Alexandrias we strongly suggest that you have your local W...

Page 20: ...room the zone in most rooms begins between two and a half to three feet from the rear wall 4 Continue to walk slowly away from the rear wall After some distance usually one to two feet past the first...

Page 21: ...for the other loudspeaker you will now have two rectangles one on the floor on either side of the room Note The more reflective or live sounding the room is the more difficult it will be to detect the...

Page 22: ...g time domain smearing energy It destroys the delicate phase relationships which help to establish an ac curate soundstage Slap echo see Figure 3 is a common acoustical problem in the typical domestic...

Page 23: ...in quite large rooms Sound absorbent materials such as described above will alter the tonal characteristic of the room by making it sound deader less bright and alive and quieter These changes usuall...

Page 24: ...o occur at a lower frequency Absorbent materials such as Illbruck Sonex are ineffec tive at controlling reflections in the bass region Moving speakers about slightly in the room is for most people the...

Page 25: ...ayed reflected sound At certain frequencies cancellation occurs because the reflected sound lags in phase rela tive to the direct sound This cancellation is most apparent where the two frequencies are...

Page 26: ...esonances generally occur in the low to mid bass frequencies and add a false fullness to the tonal balance They too are more prominent at louder levels but their contribution to the sound of the speak...

Page 27: ...uencies are dependent on room size and dimension There are three basic shapes for most rooms square rectangular and L shaped see Figure 4 A perfectly square room is the most difficult room in which to...

Page 28: ...t up along the primary lon gest leg of the room They should fire from the end of the leg short wall toward the L or they should be along the longest wall In this way both speakers are firing the same...

Page 29: ...kers The listening position should ideally be no more than 1 1 to 1 25 times the distance between the tweeters on each speaker Therefore in a long rectan gular room of 12 x 18 if the speaker tweeters...

Page 30: ...ll as a deterioration of upper bass quality You must find the proper balance of these two factors but remember if you are partial to bass response or air and bloom do not overcompensate your adjustmen...

Page 31: ...e the surface of the inner side of the Alexandria as he she faces the speaker It is recommended that a distance of two to three feet and possibly more be maintained between the Alexandria and the rear...

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 I n i t i a l S e t u p...

Page 34: ......

Page 35: ...e 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 c...

Page 36: ...woofer module 3 Remove the packing material from between the casters and set the crate up so that the casters on the woofer are toward the floor 4 While one person holds the crate the other person sh...

Page 37: ...l the sides of the crate apart 4 Because the wing array is extremely heavy use two strong people to carefully lift the wing array out of the crate 5 Locate the serial plate on the underside of the low...

Page 38: ...e very careful in unpacking the remaining modules to avoid chipping the finish 2 Stage these items away from traffic flow 3 Remove the empty crates from the room Uncrating the Crossover Cover Locate t...

Page 39: ...t channel 2 Lower midrange modules left right channel 2 High frequency modules left right channel 2 Upper midrange modules left right channel 2 Wing Arrays left right channel 8 3 8 16 x 1 5 set screws...

Page 40: ...gnment plate during shipment 8 20 x 1 Socket head screws installed with alignment plate 24 10 32 x 1 Button head screws 24 10 x 438 Washer 8 1 4 Lock washers 2 XLF Port Plug 2 Aluminum Port Cover 2 XL...

Page 41: ...S e c t i o n 4 F i n a l S e t u p...

Page 42: ......

Page 43: ...ars 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...

Page 44: ...ding woofer module Carefully lower the wing onto the woofer module Locate six 1 4 inch diameter 1 1 2 hex head screws Using supplied ratchet attach wing assembly to woofer see Fig ure 11 Re attach Pro...

Page 45: ...elay alignment plate Secure the plate with the four 10 32 x 1 screws placing the metal wash ers beneath each screw Repeat the above process for the other channel Section 4 2 Geometric Time Domain Alig...

Page 46: ...lexandria system allows for different listening dis tances away from the speakers and listening ear heights measured distances from the floor to your ear For each distance ear height combination there...

Page 47: ...nformation for positioning each module in the array determined by the indent in which the rear spike rests The table also contains information on the appropriate length spike to be used in the rear of...

Page 48: ...cifies the appropriate Tether Bolt length 7 Make a mark on the Rear Spike Length tables indicating the proper rear spike for each module 8 Note The shortest spikes labeled A are always used at the fro...

Page 49: ...The front to back location of each mod ule along with the use of the proper length of rear spike of the upper modules achieves the correct propagation delay and axial response vis vis the listener Ins...

Page 50: ...d set the front two spikes on top of the LMRM enclosure Align the spikes into the alignment tracks Install the rear spike by lifting the rear of the HFM and carefully screwing it in Refer to the Propa...

Page 51: ...that they can be easily attached to their appropriate module This is ac complished as follows Locate the cable marked Lower Mid Dress this cable through the handle opening and connect this cable to t...

Page 52: ...below the speaker terminal see Figure 18 Locate the cable marked Rear Tweeter Locate the binding post on the rear of the upper midrange module labeled Rear Tweeter Carefully thread the speaker cable...

Page 53: ...odules Materials Required Refer to Identification of Alignment Spikes and Tether Bolts in Section 4 1 under Geometric Time Domain Alignment to ensure that you have the proper length tether bolts for e...

Page 54: ...dule LMRM 2 Tether bolts for each loudspeaker s high frequency modules HFM 2 Tether bolt cap for each loudspeaker s high frequency modules HFM 2 Tether bolts for each loudspeaker s upper midrange modu...

Page 55: ...lignment spike is still placed properly in its numbered detent Symmetrically hand tighten the tether cap nuts Using the same process insert and symmetrically tighten the tether cap nuts for the tweete...

Page 56: ...20 Place the assemblies out of the traffic pat tern until they are needed during the installation Section 4 7 Using the Lift to Install Spikes Materials Required Note This is a two person job Do not a...

Page 57: ...Procedure Slide the Wilson Audio Jack under the front of the Alexandria centered be tween the casters so that the jack s lift bolt is exposed Place the lift plate so it is positioned about an inch beh...

Page 58: ...spike will go into a different hole than the caster With one person stabilizing the Alexandria lower the Alexandria by turn ing the jack counterclockwise Note that the Alexandria will now sit lower in...

Page 59: ...A u d i o S p e c i a l t i e s floor If the bubble is leaning toward the outside of the room you will have to lengthen one of the outside spikes down toward the floor You may rotate the spike tips in...

Page 60: ...s that the speak er is leaning toward the back of the room behind the loudspeakers you will have to lengthen the rear spikes down toward the floor Section 4 8 Expansion Spikes Place one end of the exp...

Page 61: ...ilson Audio replacement resistors should be used in your Alexandrias Changing the value or brand of resistor will have a delete rious affect on the sonic per formance of your loudspeak ers and may voi...

Page 62: ...ia s woofers couple to the amplifier These resistors should not be changed by the user Section 4 11 Adjusting the XLF port Choosing a Port Configuration Below 30 60 Hz depending on room the bass will...

Page 63: ...h the XLF s port in the rear firing configura tion The XLF system will often replace a Series 1 or 2 Alexandria X 2 If the bass perfor mance in these installation is optimal start off with the forward...

Page 64: ...to the front of the loudspeaker 8 Reverse the process to change the location of the port Section 4 12 Break in Period All audio equipment will sound its best after its components have been broken in...

Page 65: ...S e c t i o n 5 C a r e o f t h e A l e x a n d r i a...

Page 66: ......

Page 67: ...of protective film over the finish With the exception of the upper modules which should be de frisked upon initial installation we rec ommend that this film be left in place un til the speakers are i...

Page 68: ...circumstances Consult your dealer for further information if required To maintain the high luster of the finish periodic polishing may be desired over the years We recommend a nonabrasive carnauba bas...

Page 69: ...dards for its use while offering very tight tolerances high hardness uniform density and dimensional stability In the construction of the Alexandria XLF Wilson Audio uses two types of composites dubbe...

Page 70: ...atched performance The Alexandria XLF s upper and lower cabinet modules have been designed to eliminate vibration and cabinet signature while maintaining an internal acoustical integrity Wilson s exha...

Page 71: ...S e c t i o n 6 T r o u b l e s h o o t i n g S e c t i o n 6 T r o u b l e s h o o t i n g...

Page 72: ......

Page 73: ...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 74: ...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 p e r l...

Page 75: ...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 76: ...Wi l s o n A u d i o S p e c i a l t i e s...

Page 77: ...S e c t i o n 7 S p e c i f i c a t i o n s S e c t i o n 7 S p e c i f i c a t i o n s...

Page 78: ......

Page 79: ...Overall Dimensions System Weight Per Channel Total System Shipping Weight approx XLF port adjustable rear or front firing Rear Vented Sealed One 13 inch 33 0 cm One 15 inch 38 1 cm Two 7 inch 17 78 c...

Page 80: ...A l e x a n d r i a XLF O w n e r s M a n u a l 80 Wi l s o n A u d i o S p e c i a l t i e s Section 7 2 Figure 27 Alexandria XLF Dimensions...

Page 81: ...S e c t i o n 8 A l i g n m e n t Ta b l e s...

Page 82: ......

Page 83: ...B B B B B 48 n a n a B B B B B B B B B B Ear Height 8 9 10 11 12 14 16 18 20 22 24 26 36 n a n a n a 18 18 18 18 18 18 17 17 17 38 n a 17 17 17 17 17 17 17 17 17 17 17 40 15 15 15 16 16 16 16 16 16 1...

Page 84: ...D C C 48 n a n a D D D D D C C C C C Ear Height 8 9 10 11 12 14 16 18 20 22 24 26 36 n a n a n a 28 27 27 26 25 25 25 25 24 38 n a 27 26 26 26 25 25 24 24 24 24 23 40 24 24 24 24 24 23 23 23 23 23 23...

Page 85: ...11 12 14 16 18 20 22 24 26 36 n a n a n a 29 28 26 24 23 22 22 21 20 38 n a 28 27 26 25 23 22 21 21 20 20 19 40 25 24 23 23 22 21 20 20 19 18 18 18 42 21 21 20 20 19 19 18 18 17 17 17 16 44 17 17 17...

Page 86: ...A l e x a n d r i a XL F 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 Lower Midrange Module Tether Bolt Table...

Page 87: ...H i g h F r e q u e n cy M o d u l e T e t h e r B o l t T a b l e 87 Wi l s o n A u d i o S p e c i a l t i e s High Frequency Module Tether Bolt Table...

Page 88: ...A l e x a n d r i a XL F 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 Upper Midrange Module Tether Bolt Table...

Page 89: ...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 90: ......

Page 91: ...ed 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 9...

Page 92: ...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 the Dea...

Page 93: ...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 return...

Page 94: ...A l e x a n d r i a XL F 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...

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