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Summary of Contents for Snell Illusion A
- Page 1 Owner’s Manual LLUSION LLUSION...
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Page 2: Table Of Contents
C O N T E N T S A Message from the Designer A7 Specifi cations LLUSION About the I LLUSION A7 Features LLUSION Connecting the I LLUSION Choosing Cable Basic Connections Bi-wiring and Tri-wiring Biamplifying and Triamplifying Speaker Placement Stereo Image Listening Levels and Power Handling A7 Maintenance and Care... -
Page 3: A Message From The Designer
A M E S S A G E F R O M T H E D E S I G N E R Thank you for choosing Snell. The Snell Acoustics I A7 is the product of extensive research, development, refi nement, listening, prototyping, more LLUSION listening, more prototyping, and still more of all of the above. -
Page 4: Illusion A7 Specifi Cations
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]... - Page 5 The slim, tall, deeply rounded tower’s subtle shape intrigues A true D’Appolito array is a far more sophisticated entity, the eye while confounding easy description. Though its whose transducer parameters and dimensions, geometric top and bottom are both ellipsoids of equal area, they are relationships, and time-domain characteristics of crossover- distinctly different diametric shapes.
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Page 6: Illusion A7 Features
I L L U S I O N A 7 F E A T U R E S 1 The geometrically complex form of the A7 enclosure 5 The soft-dome tweeter designed for the A7 develops provides nearly ideal acoustical behavior, with non- smooth, resonance-free response to nearly 40 kHz, as parallel plane surfaces, precisely calculable volume, well as powerful and accurate output to unusually low... -
Page 7: Llusion A7
9 Each A7 crossover is individually hand built and 10 Snell’s renowned cabinet shop hand-crafts and hand- system-tuned by its technician to within ±0.5dB of the fi nishes each A7 with unequalled workmanship. The A7 A7 Master Reference, ensuring perfect replica- fi... -
Page 8: Choosing Cable
C O N N E C T I N G T H E I L L U S I O N A 7 Choosing Cable Snell recommends the use of high-quality speaker cabling The selection of wire termination of substantial weight (gauge); longer runs should receive is similarly individual. -
Page 9: Bi-Wiring And Tri-Wiring
Use equal lengths of identical or at least similar cabling A7, you may elect to run multiple cables, i.e. bi- or when bi- or tri-wiring each speaker. Your Snell Acoustics LLUSION tri-wiring. This has the advantage of more fully isolating installer/specialist will prove a valuable resource in choosing each crossover-fi... - Page 10 Biamplifying (using one amplifi er for the low-frequency, and one for the midrange/high-frequency sections): Unscrew the Woofer and Midrange terminals and remove the jumper straps; be sure to retain the jumper straps bridging the Midrange and Tweeter terminals, and re-tighten the Midrange terminals. Connect the cable from the Woofer terminals to the low-frequency amplifi...
- Page 11 Triamplifying (using one amplifi er for the low-frequency, one for the midrange- frequency, and a third for the high- frequency sections): Unscrew the Woofer and Midrange terminals and remove the jumper straps. Unscrew the Tweeter terminals and remove the jumper straps bridging the Midrange and Tweeter terminals.
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Page 12: Speaker Placement
fl oor and wall; as the location approaches the junction of listening room and arrangement is different, so without three surfaces (a corner), bass output increases exponen- being on the scene we at Snell Acoustics can only advise tially. you as to general principles; there are few “rules.” Your Snell Acoustics installer/specialist will be happy to help you Unfortunately, these increases are not smooth and linear. -
Page 13: Stereo Image
S T E R E O I M A G E The distance between the I A7s will largely dictate Toe-in—the angling of the speakers inward toward the lis- LLUSION breadth of stereo image. If the speakers are placed too close tening position—is a matter of room acoustics and individ- together the image will be too narrow;... -
Page 14: Listening Levels And Power Handling
Much as we would like to be more specifi c, with true candor we cannot. Happily, your Snell Acoustics installer/specialist is eminently qualifi ed to advise you in selecting amplifi ers. -
Page 15: Illusion A7 Maintenance And Care
L I M I T E D W A R R A N T Y For fi ve years from the date of purchase, Snell Acoustics will repair for the original owner any defect in materials... - Page 16 ©2007 Snell Acoustics. 300 Jubilee Drive, P.O. Box 3717 All Rights Reserved. Peabody, MA 01961-3717 Specifi cations are subject phone: 978-538-6262 to change without notice. fax: 978-538-6266 Covered by patents issued email: info@snellacoustics.com and or pending. web: www.snellacoustics.com Part #542-1057...
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