WILSON AUDIO Cub Series 2 Owner's manual

Wilson Audio ®

is a registered trademark of Wilson Audio Specialties, Inc.

Cub ® is a registered trademark of Wilson Audio Specialties, Inc.

This manual was produced by the Wilson Audio Engineering Department in cooperation with Sales

and Marketing. The information contained here in is subject to change without notice. Current Revi-

sion 1.0, if you are in need of a more recent manual please contact your dealer.

The information in this manual is the sole property of Wilson Audio Specialties, Inc. any reproduction in whole

or in part without the express written permission of Wilson Audio Specialties, Inc. is prohibited. No material

contained here in may be transmitted in any form or by any means, electronic or mechanical, for any purpose,

without the express written permission of Wilson Audio Specialties, Inc.

CUB STANDARD VIEWS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . iii

CUB SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . iv

CUB INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1

Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1

Design Considerations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2

Enclosure Materials Technology . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2

CARE OF THE CUBS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1

Care of the ﬁnish of your Cubs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1

Break in period . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2

Binding Posts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2

IN YOUR ROOM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3

Room Reﬂections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1

Resonances . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-5

Room Shapes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-6

Speaker Placement/Listening Position . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-8

Choosing a Listening Position . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-8

Speaker Orientation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-9

Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-10

SYSTEM SETUP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4

Preparation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1

Setup Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1

Completed Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-7

WARRANTY INFORMATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5

APPENDIX A- TROUBLE SHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A

APPENDIX B- REPAIR PROCEDURES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A

T A B L E O F C O N T E N T S

FIGURE 1-REFLECTIVE COMB FILTER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-4

FIGURE 2-ROOM SHAPES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-7

FIGURE 3-PROPER SPEAKER ORIENTATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-9

FIGURE 4-CUB STAND SPIKES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-2

FIGURE 5-BOLTING CUB TO STAND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-3

FIGURE 6-CORRECT SPADE LUG CONNECTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-4

FIGURE 7-CONNECTING CABLES TO CUB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-7

FIGURE 8-COMPLETED SETUP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-8

T A B L E O F G R A P H I C S

ii

iii

C U B O W N E R ʼ S M A N U A L

CUB SERIES II:

CO M P O N E N T S A N D DI M E N S I O N S

NON-RESONANT

STAND

CUB ENCLOSURE

CUB BOLTS

TO STAND

SPIKES

BINDING

POSTS

HIGH

FREQUENCY

CROSSOVER

LOW

FREQUENCY

CROSSOVER

9.5 IN.

22 IN.

19.5 IN.

40 IN.

iv

CUB SERIES II:

SPECIFICATIONS

C U B S P E C I F I C A T I O N S

Nominal Impedance 4 ohms

Minimum Ampliﬁer Power 10 Watts per channel

Woofer 2 - 6.5 inch double front ported

Overall Dimensions

Height - 22 inches

Width - 9.5 inches

Depth - 19.5 inches

Tweeter 1 - 1 inch inverted Titanium Dome

Weight (approx.): 75 lbs

Frequency Response

(with port contribution) 39 Hz - 22 kHz

Sensitivity 94 dB (2.83 volts at 1 meter)

1

C U B I N T R O D U C T I O N

1-1

C U B I N T R O D U C T I O N

APPLICATIONS

Your CUB precision loudspeaker has been carefully designed to provide superb,

uncolored, limited full frequency range response in a single enclosure. Due to our very

successful research on the WATT/PUPPY and X-1 Grand SLAMM systems, the CUB has a

sonic character quite similar to its larger predecessors.

Using structural enclosure, speaker driver, and time alignment technologies devel-

oped for the WATT/PUPPY and the X-1 Grand SLAMM the CUB is truly the thoroughbred

of its class, and is well suited to carrying on the heritage of Wilson Audio speakers.

One of David Wilson’s most important criteria in speaker development is that a

speaker meets the accuracy and dynamic demands of studio monitoring, analytical hardware

and software evaluation and critical music listening. Therefore, the CUB has been designed

to deliver all of the speed, dynamics and musical accuracy to satisfy even the most demand-

ing music lovers.

The CUB has also been engineered to take full advantage of today’s multichannel

surround formats, especially the latest AC-3 (Dolby Digital) and DTS (Digital Theater

Systems) formats. The CUB will provide the speed, dynamic impact and realism you have

come to expect in a high performance home theater systems.

1-2

C U B O W N E R ʼ S M A N U A L

DESIGN CONSIDERATIONS

Your CUB has been designed to perform all of the speciﬁc functions of a high per-

formance studio monitor in a less costly, scaled version of the WATT/PUPPY. This was

a difﬁcult task, because a small enclosure is needed for high speed and linearity in lower-

mid to high frequency playback, yet the CUB needed to convincingly suggest the size and

weight of full scale, full range music. To accomplish this task David Wilson and his engi-

neering department used some extraordinary materials and enclosure techniques. The discus-

sion of a few of these materials follows.

ENCLOSURE MATERIALS TECHNOLOGY

The enclosure of the CUB uses the same proprietary techniques as have been very

successfully used in the X-1 Grand SLAMM, MAXX and the WATT/PUPPY systems. The

enclosure is made from a non-resonant material that is highly-cross braced to further reduce

cabinet resonance. The front bafﬂe of the CUB, its most critical surface, is machined from

our proprietary Phenolic based structural material developed for the X-1 Grand SLAMM.

ADHESIVE

What’s in an adhesive? Everything. This often over looked element is crucial to the

proper performance of a loudspeaker. Correct modulus of elasticity, coefﬁcient of thermal

expansion and natural frequency response are just a few of the important elements.

A highly cross-linked, thermoset adhesive is used for the construction of the en-

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

optimum vibrational characteristics.

1-3

C U B I N T R O D U C T I O N

DEPTH OF DESIGN

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

vided to us by the leaders in their industry, allow us to design an enclosure with unmatched

performance. The Cub has been designed to eliminate vibration and cabinet signature, while

maintaining an internal acoustical integrity that is simply, the best.

Further, the Cub loudspeaker has over 340 constraining relationships deﬁning the

placement of over 75 parts. These relationships ensure both dimensional stability and repeat-

ability. In short, the ﬁrst Cub built will be as good as the thousandth.

CONCLUSION

All of these structural aspects combine to allow Wilson Audio to deliver a product

that maintains the strictest structural tolerances, durability and reliability. This also means

that you will have consistent, repeatable performance, unaffected by the climatic conditions,

anywhere in the world.

C A R E O F T H E C U B L O U D S P E A K E R

2

CARE OF THE FINISH OF YOUR CUBS

Your Cub loudspeaker enclosures are hand-painted with Wilsongloss

™

paint and

hand-polished to a high luster. While the paint seems quite dry to the touch, ﬁnal curing

and complete hardening takes place over a period of several weeks. To protect the ﬁnish of

the Cubs during ﬁnal manufacturing, shipment, and setup in your listening 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 have determined their ﬁnal position, remove the ﬁlm by peeling it off. Do not leave

this ﬁlm on indeﬁnitely, as it will leave impressions on the paint. It is important that the

delicate paint ﬁnish of the Cub be dusted carefully with the dust cloth, which has been pro-

vided. We recommend that the following procedure be observed when dusting the speakers:

• Blow off all loose dust

• Using the dust cloth as a brush, gently whisk

off any remaining loose dust

• Shake out the dust cloth

• Dust the ﬁnish, using linear motions in one direction parallel to

the ﬂoor. Avoid using circular or vertical motions.

Because the paint requires a period of several weeks to fully cure, we recommend

that no cleaning ﬂuids such as glass cleaners be used during this initial period of time.

When the paint is fully cured, heavy ﬁnger prints and other minor smudges may be removed

with a glass cleaner. Always use the dust cloth. Stronger solvents are not recommended

under any circumstances. Consult your dealer for further information if required. Periodic

polishing may be desired over the years to maintain the high luster of the ﬁnish. We recom-

mend a nonabrasive carnauba-based wax and soft cloth.

2-1

C A R E O F T H E C U B L O U D S P E A K E R

BREAK IN PERIOD

All audio equipment will sound its best after the components have been broken in for

some period of use. Wilson Audio breaks 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 25-50% of break-in to be complete after two hours of playing

music fairly loudly. Ninety percent of break-in is complete after 24 hours of playing. Play-

ing a “disc repeat” overnight can accomplish this task quickly. Wilson Audio recommends

chamber music for this task.

BINDING POSTS

The binding posts used with the Cub are speciﬁcally made for Wilson Audio.

David Wilson and his engineering team spent many hours listening to a variety of

binding posts and making modiﬁcations to each until the most musical combination

was achieved.

Note:The binding posts should be tighted only snuggly. Over tightening can result in

the breakage of the posts. Please take care when attaching the spade lugs to the Cub.

C U B O W N E R ʼ S M A N U A L

2-2

C A R E O F T H E C U B L O U D S P E A K E R

T E C H N I C A L - N O T E

If the user wishes to test the polarity of the Cub with a battery, the plus (+) ter-

minal of the battery is connected to the RED (+) input terminal of the Cub and

the negative (-) terminal of the battery is connected to the BLACK (-) terminal

of the Cub. The results of this test will show the Cub woofers to move outward.

This is the correct driver movement in response to a D.C. signal.

2-3

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WILSON AUDIO Cub Series 2 Owner's manual

WILSON AUDIO Cub Series 2 Owner's manual

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