Wisdom S55i Owner's Manual

Wisdom audio s55i in-wall subwoofer
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Owner's Manual
Wisdom Audio S55i
In-Wall Subwoofer

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Summary of Contents for Wisdom S55i

  • Page 1 Owner’s Manual Wisdom Audio S55i In-Wall Subwoofer...
  • Page 2: Table Of Contents

    Room Treatment ....................10 Professional Acoustic Design ................10 References ......................11 Installing the S55i in a Wall................12 Installing the S55i in the Ceiling ..............14 Tips and Ideas ......................22 Black out the HVAC and snorkel ..............23 Limited access situations ................24 Installing under the floor ................24 North American Warranty ................26...
  • Page 4: Introduction

    Controller, or SW-1 subwoofer amplifier, or MiniDSP-1 subwoofer processor, without one of 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...
  • Page 5: Description

    Description Your Sage S55i subwoofer uses a modern implementation of an old idea for high quality, low distortion bass reproduction. While the roots of the Regenerative Transmission Line go back to the 1950’s, it is the combination of modern com- ™...
  • Page 6: Unpacking The S55I

    “feet” to support the S55i slightly above the sole plate, to allow room for the wiring and the base- board of the finished wall. (Rooms with unusually tall baseboards may require the S55i to be mounted somewhat higher still.)
  • Page 7: 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 can introduce deviations of 20 dB to the re- sponse of the system.
  • Page 8: Speaker Placement

    Wisdom Audio 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 9: 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 10: 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 11: 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 12: Installing The S55I In A Wall

    The existing dry wall (if any) should be cut back so it covers about half of the 2 x 4 on each side of the bay. The flange of the front board of the S55i will cover the other half.
  • Page 13 Tape and spackle the seams Note that there is a slight recess around the front edge of the S55i to facili- ate taping and spackling, yielding a smooth result. After everything has been painted, slice the paint along the edge of the galvanized steel construction shield.
  • Page 14: Installing The S55I In The Ceiling

    Installing the S55i in the Ceiling The S55i can also be installed above the ceiling, or under the floor, assuming you have suitable attic or crawl space access. Although the S55i can fit between standard ceiling or floor joists, we recommend placing the S55i across the joists.
  • Page 15 • The “Bass Snorkel” (an airtight, rigid, expanding tube that bridges the gap between the S55i and the ceiling) • 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.
  • Page 16 Align the S55i flange plate on the S55i, 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 17 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 18 Move the S55i into place above the snorkel, and gently place its flange into the snorkel. Test fit the S55i assembly to the snorkel and ceiling flange. The snorkel should extend to the back edge of both flanges.
  • Page 19 Install the second band clamp on the S55i 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 20 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 21 Screw only through the wooden flange that extends around the edge of the face of the S55i. Fasteners should not be driven into the S55i else- where, as there are locations in which doing so could cause permanent damage and/or compromise its performance.
  • Page 22: 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 23: 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 24: Limited Access Situations

    The same basic process can be used to install an S55i in a basement or crawl Installing under the floor space, venting the low frequencies up through the floor. In this case, you should replace the standard HVAC grille with a heavier grate that is designed to with- stand traffic.
  • Page 25 One 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 26: 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 27: Obtaining Service

    Wisdom Audio Service Department locate and repair the difficulty as quickly as possible. If the drivers in your S55i have been damaged (as, for example, by direct DC current being applied from an amplifier that failed), the enclosure is designed to provide for servicing in place, without having to uninstall the enclosure.
  • Page 28: Specifications

    ■ Dimensions see appropriate Dimensions drawings on next page 43 lbs. (20 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 29: S55I Dimensions

    S55i Dimensions...
  • Page 30: Notes

    Notes...
  • Page 32 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 www.wisdomaudio.com S55iOM-1.0 © 3/2014 Wisdom Audio, Inc. All rights reserved. Printed in U.S.A.

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