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Wisdom Sage S90i Owner's Manual

In-wall subwoofer
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Owner's Manual
Sage S90i
In-Wall Subwoofer

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  • Page 1 Owner’s Manual Sage S90i In-Wall Subwoofer...

  • Page 2: Table Of Contents

    Table of Contents Introduction ....................4 About this manual ....................4 Please register your system ..................4 Description .....................5 Regenerative Transmission Line™ ................5 Unpacking the S90i ..................6 Remote Setup via Modem ..................8 Room Acoustics & Placement ................9 Start With the Room ....................9 Rigid Walls ......................9 Speaker Placement ....................10 Left &...

  • Page 4: Introduction

    SC-1 System Controller, without which this subwoofer will not perform correctly. While we expect your local Wisdom Audio dealer to take care of the setup and calibration of the system, we still recommend that you at least briefly review this and the other manuals (SC-1, SA-series amplifiers) to understand the system’s full...

  • Page 5: Description

    Description Your Sage S90i subwoofer uses a modern implementation of an old idea for high quality, low distortion bass repro- duction. While the roots of the Regenerative Transmis- sion Line go back to the 1950’s, it is the combination of ™...

  • Page 6: Unpacking The S90I

    Unpacking the S90i The Wisdom Audio Sage S90i subwoofer is a substantial piece of equipment. Please exercise caution when unpacking your S90i to ensure that you do not strain yourself from its (perhaps unexpected) weight. Caution! Do not attempt to lift your S90i by yourself. Unpacking this subwoofer is easy for two people, but it is unwise for a single person to attempt doing so.
  • Page 7 The end of the speaker that contains the grille assembly also includes the “pig- tail” for connecting the speaker to the system, as well as some “feet” to support the S90i slightly above the sole plate, to allow room for the wiring and the base- board of the finished wall.

  • Page 8: Remote Setup Via Modem

    The serial number for the S90i can also be found on the inside of the opening for the Regenerative Transmission Line.

  • Page 9: Room Acoustics & Placement

    Room Acoustics & Placement Wisdom Audio believes in equalization. Assume for a moment that you had a “perfect” loudspeaker: as soon as you place it in your room, its perfection is gone. In fact, even good rooms often introduce deviations of 20 dB to the re- sponse of the system.

  • Page 10: Speaker Placement

    SC-1. Your Wisdom Audio dealer can help you with optimizing your speaker place- ment, which is never quite as simple as it seems it should be. The characteristics...

  • Page 11: Surround Speakers

    Left and Right speakers while minimizing the change in image height as a sound is panned across the front stage. Wisdom Audio has designed horizontally-ori- ented planar magnetic hybrid speakers that will match your Sage loudspeakers superbly;...

  • Page 12: Room Treatment

    (The minimization of these reflections is one of the strongest arguments for the tall, line source loud- speakers that Wisdom Audio builds.) This leaves you with eight “first reflections” that you should consider minimizing somehow. These points are easily found by having an assistant slide a small mirror along the four walls of the room, while you sit at the listening position.

  • Page 13: References

    Find someone who specializes in and has a great deal of experi- ence designing home studios, home theaters, and the like. Your Wisdom Audio dealer may be such a person; failing that, he/she can help you find such a pro- fessional.

  • Page 14: Installing The S90I In A Wall

    Installing the S90i in a Wall Your dealer has extensive knowledge of wall construction, and will customize these installation instructions to suit the needs of your particular situation. But these notes provide an overview of the process. Note that the Regenerative Transmission Line opening that vents the low fre- quencies into the room may be placed either up near the ceiling, or down near the floor.
  • Page 15 Obviously, there cannot be any plumbing or wiring in this stud bay, nor firebreaks. The S90i will use virtually all of the available space in a stan- dard eight foot 2 x 6 stud bay. Stand the S90i in front of the bay in which it will reside; make the elec- trical connections There are two methods commonly used for making these connections.

  • Page 16: Installing The S90I In The Ceiling

    Installing the S90i in the Ceiling The S90i can also be installed above the ceiling, or under the floor, assuming you have suitable attic or crawl space access. Although the S90i can fit between standard ceiling or floor joists, we recommend placing the S90i across the joists. It does not have to be perfectly perpendicular to the joists, but should rest above (or below) them rather than in between them.
  • Page 17 • Protecto Wrap for wrapping the Bass Snorkel after it has been adjusted to the final length and shape • #8 dry-wall screws Place the ceiling flange assembly in the intended mounting location, and use it as a template for marking the vent into the room. Cut the drywall with a keyhole saw or similar tool. Screw the ceiling flange in its location.
  • Page 18 Align the S90i flange plate on the S90i, flush with the corner of the en- closure, and screw into place. Take care to ensure that there are no air leaks around the edges of the flange assembly. You want all the low frequency energy transferred through the “snorkel” into the room.
  • Page 19 Place the expanding aluminum “snorkel” on the ceiling flange and cinch it in place using one of the band clamps. The snorkel expands over a fairly wide range. It should be lengthened until is it slightly taller than is needed for the joists in your installation. If your attic has joists that are smaller than 2” x 8”, you may need to trim the alu- minum to a more suitable length using a utility knife.
  • Page 20 Move the S90i into place above the snorkel, and gently place its flange into the snorkel. Test fit the S90i assembly to the snorkel and ceiling flange. The snorkel should extend to the back edge of both flanges.
  • Page 21 Install the second band clamp on the S90i flange. The next step is to wrap the snorkel in the heavy Protecto Wrap, which dramati- cally deadens and stiffens the snorkel, and minimizes any leakage of bass into the attic and adjacent spaces.
  • Page 22 Depending on your access to the work space, either wrap the snorkel in Protecto Wrap in place, or loosen one of the band clamps and wrap it in a more convenient position, being careful not to change the length of the snorkel in the process.
  • Page 23 Once the snorkel is wrapped, and the S90is is in place with the band clamps snugged down, screw the S90i into the studs to anchor it firmly in place. Screw only through the wooden flange that extends around the edge of the face of the S90i. Fasteners should not be driven into the S90i else- where, as there are locations in which doing so could cause permanent damage and/or compromise its performance.

  • Page 24: Tips And Ideas

    It is impossible to cover every possible installation application of this versatile Tips and Ideas product. But here are a couple ideas to get you thinking.

  • Page 25: Black Out The Hvac And Snorkel

    Cut a cardboard mask just slightly smaller than your HVAC grille (either the one Black out the HVAC and snorkel supplied, or your customer’s preferred grille design). Use it to paint the area around the vent black. In the process, paint the inside of the aluminum duct black as well. Several light coats will work better than trying to do everything in one heavy coat.

  • Page 26: Limited Access Situations

    Sometimes, access above the ceiling is limited, as in the case of the W-trusses Limited access situations shown below. In such cases, you can use a longer piece of “snorkel” and extra Protecto Wrap to pipe the bass into the room. The same basic process applies, and yields excellent results as long as you are careful to wrap the expanding duct tightly.
  • Page 27 On important characteristic of any replacement HVAC grille or grate you may elect to use for aesthetic reasons: many such grille have adjustable louvres to direct the flow of air. These should be either removed or frozen in place with liberal amounts of glue in order to avoid rattles.

  • Page 28: Making The S90I Connections

    (to create the subwoofer channel(s), and then on to the SC-1; following the SC-1, the signal for the sub- woofer is sent to a high quality amplifier such as the Wisdom Audio SA-series amplifiers. A “pigtail” connection is provided at one end of the S90i. Since the S90i fills a...

  • Page 29: Optimizing The System

    Optimizing the System A Wisdom Audio loudspeaker system is just that: a system, designed to provide the highest calibre of performance, in the widest variety of possible settings. As such, simply connecting all the wires does not mean the system is optimized.

  • Page 30: North American Warranty

    The warranty will not apply to any Wisdom Audio loudspeaker that has been misused, abused, al- tered, or installed and calibrated by anyone other than an authorized Wisdom Audio dealer.

  • Page 31: Obtaining Service

    We take great pride in our dealers. Experience, dedication, and integrity make these professionals ideally suited to assist with our customers’ service needs. If you develop a problem with your Wisdom Audio subwoofer, please contact your dealer. Your dealer will then decide whether the problem can be remedied locally, or whether to contact Wisdom Audio for further service information or parts.

  • Page 32: Specifications

    ■ Dimensions see appropriate Dimensions drawings on next page 65 lbs. (30 kg) ■ Shipping weight For more information, see your Wisdom Audio dealer, or contact: Wisdom Audio 1572 College Parkway, Suite 164 Carson City, NV 89706 www.wisdomaudio.com information@wisdomaudio.com Ph: 775.887.8850...

  • Page 33: S90I Dimensions

    S90i Dimensions...

  • Page 34: Notes

    Notes...
  • Page 36 WISDOM and the stylized W are registered trademarks of Wisdom Audio. Wisdom Audio 1572 College Parkway, Suite 164 Carson City, Nevada 89706 USA Telephone: 775.887.8850 Fax: 775.887.8820 S90OM-1.01 © 4/2011 Wisdom Audio, Inc. All rights reserved. Printed in U.S.A.

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