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A B O U T   T H E   I L L U S I O N   A 7

Conceived to be quite simply the fi nest two-channel 

loudspeaker available, the Snell A7 invites the world’s most 

experienced, rigorous, and critical listeners to devote their 

closest attention.

The I

LLUSION

 A7 traces its lineage to the very fi rst Snell: the 

landmark Type A design unveiled by the late Peter Snell in 

1976. Like that fi rst Snell, the A7 introduces a dramatic new 

sculptural form, yet has grown from the most sophisti-

cated current-day technologies. Today’s I

LLUSION

 A7 was 

I L L U S I O N   A 7   S P E C I F I C A T I O N S

Frequency Response (±3dB)  

27-40,000Hz 

Crossover Frequency 

250Hz; 2.5kHz

Recommended Amplifi er Power 

250 watts minimum

   

1,000 watts maximum

Maximum Output (per pair) 

111dB

Sensitivity [1 watt (2.83v) at 1m] 

89dB

Impedance  

8 ohms 

Tweeter 

1” (25mm) Silk Dome, Neo Magnet in Hexadym confi guration cast aluminum enclosure

Midranges 

Two 5.25” (135mm) solid Magnesium Cones, Neo Magnet in Hexadym confi guration

Woofers 

Two 10” (250mm) Magnesium Cones

Wiring 

Bi-wirable, tri-wirable, biampable, triampable, 

Placement 

More than 3 feet (1m) from the woofers to the nearest wall

Dispersion Angle from center

 Horizontal: 

+40 

degrees

 Vertical: 

+15 

degrees

Weight  

195 lbs (88.5 kg) with feet

Dimensions

  Foot Print (W x D) 

19” x 22” (483 x 556 mm)

  Height 

62” (1575 mm)

engineered under the direction of legendary designer Joe 

D’Appolito, whose name is synonymous with the paired-

vertical array widely accepted as the ideal arrangement of 

dynamic transducers. But much as did Peter Snell’s Type A 

in its era, the I

LLUSION

 A7 refl ects a new concept in enclosure 

design whose refi nements yield unprecedented freedom 

from resonance and spurious vibration. Consequently, 

the A7’s genuinely full-range, extraordinarily uncolored 

reproduction can be heard with unimpeded clarity and 

unrestricted detail.

Содержание Illusion A

Страница 1: ...Owner s Manual ILLUSION LLUSION A7...

Страница 2: ...N A7 4 ILLUSION A7 Features 6 Connecting the ILLUSION A7 8 Choosing Cable 8 Basic Connections 8 Bi wiring and Tri wiring 9 Biamplifying and Triamplifying 9 Speaker Placement 12 Stereo Image 13 Listeni...

Страница 3: ...ous some less so That said like any loudspeaker the A7 is merely a lens through which to view aurally speaking the music It is however an exceedingly transparent and faithful lens one that will reveal...

Страница 4: ...et in Hexadym configuration cast aluminum enclosure Midranges Two 5 25 135mm solid Magnesium Cones Neo Magnet in Hexadym configuration Woofers Two 10 250mm Magnesium Cones Wiring Bi wirable tri wirabl...

Страница 5: ...med D Appolito status without any particular technical or legal legitimacy A true D Appolito array is a far more sophisticated entity whose transducer parameters and dimensions geometric relationships...

Страница 6: ...5 The soft dome tweeter designed for the A7 develops smooth resonance free response to nearly 40 kHz as well as powerful and accurate output to unusually low frequencies This facilitates an atypicall...

Страница 7: ...ructed on a discrete cir cuit board so that no induced or capacitive reflections can co influence circuit actions The best components are used throughout including custom fabricated air core inductors...

Страница 8: ...al decision based on associated equipment system layout and personal preference but lowest possible resistance per meter and minimal inductance and capaci tance can be considered universally desirable...

Страница 9: ...able resource in choosing a wiring plan and selecting appropriate cabling Bi and Triamplifying In an extension of bi or tri wiring you may wish to con sider multi amplifying the ILLUSION A7s Multi amp...

Страница 10: ...e cable from the Woofer terminals to the low frequency amplifier i e the amplifier selected to drive the A7 woofers 3 Connect a cable from the Midrange or Tweeter termi nals to the midrange high frequ...

Страница 11: ...r selected to drive the A7 tweeters woofer amplifier mid amplifier high amplifier NOTE You may consider deploying multi amp components horizontally or vertically That is to say in a horizontal setup a...

Страница 12: ...approach the final placement of the A7s before installing the spikes as the loudspeakers are difficult to move with spikes in place The choice of spikes or glides is up to the individual In most cases...

Страница 13: ...nward toward the lis tening position is a matter of room acoustics and individ ual preference Generally toe in adjustment is best left to the last stage of placement fine tuning In typical rooms as to...

Страница 14: ...tion for your ILLUSION A7s that is adequate to the needs of your room your listening habits and your musical tastes with a generous margin of headroom Much as we would like to be more specific with tr...

Страница 15: ...time A light diffusing window treatment is usually all that is required to mitigate this very slight risk Do not permit the loudspeakers to become wet Pro longed dampness or standing water will destr...

Страница 16: ...3717 phone 978 538 6262 fax 978 538 6266 email info snellacoustics com web www snellacoustics com 2007 Snell Acoustics All Rights Reserved Specifications are subject to change without notice Covered...

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