Wisdom Sage L100i Manuel utilisateur

Owner’s Manual

Sage L100i

Tri-amplified In-Wall Line Source

Two-way Planar Magnetic Loudspeaker

SAGE SERIES L100i WISDOMAUDIO.COM

Table of Contents

Introduction | 3

Overview | 3

Unpacking and Installing the L100i | 7

Proper Planar Placement | 9

Making the Connections | 9

Care and Maintenance | 10

North American Warranty | 10

Obtaining Service | 12

Specifications | 13

Dimensions | 14

DOCUMENT CONVENTIONS

This document contains general safety, installation, and operation instructions for the Wisdom

Audio Sage Series L100i Speaker. It is important to read this document before attempting to use this

product. Pay particular attention to:

WARNING: Calls attention to a procedure, practice, condition or the like that, if not correctly

performed or adhered to, could result in injury or death.

CAUTION: Calls attention to a procedure, practice, condition or the like that, if not correctly

performed or adhered to, could result in damage to or destruction of part of or the entire product.

Note: Calls attention to information that aids in the installation or operation of the product.

SAGE SERIES L100i WISDOMAUDIO.COM

Introduction

Congratulations on purchasing your Wisdom Audio loudspeakers. They in- corporate

many design features designed to give you decades of pleasure and performance. Many

of these design choices are uncommon among loudspeaker manufacturers and bear

some explanation. See the following section entitled “Description” for more

information.

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

your other manuals to better understand your system’s full capabilities.

You do not have to do anything to register your warranty for your Wisdom Audio

products. (Isn’t that a pleasant surprise?)

In the unlikely event that your loudspeakers ever require service, please contact the

dealer from whom you purchased them. Between their records and ours, you should be

all set.

However, please keep your sales receipt in a safe and easily found place. Should you

move or lose touch with your original dealer, it will serve as your proof of purchase for

warranty purposes.

Overview

Your Sage Series L100i loudspeakers take advantage of several critical technologies to

deliver a level of performance that has never been available in a loudspeaker that

intruded so modestly on your living space. In fact, this level of performance has rarely

been attained, regardless of the space and budget at one’s disposal.

Since several of these technologies cannot readily be found elsewhere, we will take the

time to describe them in more detail than would be necessary for more conventional

designs.

Our planar magnetic drivers use an advanced, thin film membrane to move the air. This

film can respond instantly to the smallest detail in the signal. It has vastly less inertia

than traditional “cone & dome” drivers, so the signal is never blurred in any way.

SAGE SERIES L100i WISDOMAUDIO.COM

One of the most remarkable things about the sound of well-designed planar magnetic

speakers is their lack of thermal or dynamic compression. There are several reasons for

this:

•The lightweight diaphragm responds quickly to even the smallest signals yet is

robust enough to handle a great deal of power. 

•The voice coil is laid out at and is exposed to the air on both sides; the large

resulting surface area dissipates heat extremely quickly and efficiently. 

•Since heat does not build up in the voice coil (as it does in conventional dynamic

drivers), the load seen by the amplifier does not change at high power levels. 

When you become accustomed to the sound of your new Sage Series L100i speakers,

conventional speakers sound a bit bland and lifeless. You may also discover yourself

hearing details at even modest levels on the L100i that were previously inaudible even

at loud volumes on more conventional speakers. 

The “voice coil” in the planar magnetic driver is spread out over a large, at area that is

exposed to the open air. As such, when a huge transient comes along, any heat that is

generated is immediately dissipated. This compares quite favorably to other designs in

which the voice coil is buried inside a massive piece of metal, where the heat has

effectively no place to go.

The excellent heat dissipation of these drivers makes them remarkably reliable. Planar

magnetic speakers can handle a great deal of power without undue stress or audible

strain. In fact, for a given size, they can handle many times the power of a traditional

dynamic driver.

Because the conductor of a planar magnetic driver is essentially a long, thin wire, it

presents a purely resistive load to the amplifier. This is comparable to the simple test

loads that amplifier companies use when measuring their amplifiers to show how terrific

they are. As such, you can be assured that your amplifiers will sound and work their

best.

Authoritative, deep bass requires that you move a lot of air. We have chosen to use

dynamic woofers for the bass because they can provide excellent performance at lower

frequencies.

To get comparable bass performance from a planar magnetic design, you would need to

have a huge speaker that would be impractical in most domestic living spaces. It simply

makes more sense to use the best transducer technology in each area of the reproduced

SAGE SERIES L100i WISDOMAUDIO.COM

spectrum. One of Wisdom Audio’s strengths is in seamlessly blending these technologies

– particularly important given the high standards set by our planar magnetic drivers.

Of course, the dynamic woofers themselves must be rather extraordinary to “keep up”

with the planar magnetic drivers right up to the crossover frequency.

Our woofers are different because they must be to do their job. Specifically, we need

highly dynamic, uncompressed bass (to keep up with the planar magnetic drivers) that

does not depend on a critical amount of enclosure volume (since these speakers are

mounted in your wall and use the space inside the wall as their “enclosure”). These two

design goals require rather extraordinary attention to myriad details.

The motor and suspension system of these woofers therefore includes all the critical

damping required for optimal operation. (In most speakers, the woofers depend on the

air trapped inside their enclosures as an additional “spring” to help them behave

properly.) Technically, this approach is known as an “infinite baffle” design. In practice,

the volume of air behind the speaker does not have to be infinite, of course. It just

needs to be large enough to not act like an acoustic “spring”. Recommended and

minimum enclosure volumes for the speaker are listed in the Specifications section and

repeated on the Dimensions page.

Many speakers include a mid-bass “bump” in their response to give the illusion of going

deeper in the bass than they actually do. Unfortunately, this “bump” makes blending

them seamlessly with a high-quality subwoofer almost impossible.

All Sage Cinema Series speakers have been designed to optimally crossover at

80 Hz, which is the most common bass management transition used to integrate with

subwoofer(s).

Line Source Speakers

Almost all loudspeakers radiate sound into the room as imperfect “point sources”. This

means that most of the energy they put into the room expands as an ever-enlarging

sphere, as though emerging from a single point in space. This results in a multitude of

reflections from the ceiling and floor that can degrade sound quality.

SAGE SERIES L100i WISDOMAUDIO.COM

By contrast, the Wisdom Series L100i speakers radiate sound as a “line source”. The

sound moves into the room as an expanding cylinder, rather than as an expanding

sphere – as though from a vertical line suspended in space.

Line source speakers provide two significant advantages:

•Ceiling and floor reflections are minimized, resulting in greatly reduced

interference, letting you hear more of the speaker and less of the room.

•The sound pressure level (SPL) throughout the room is much more evenly

distributed, making it much easier to set the “right” volume, no matter where

the audience is seated.

To achieve this highly desirable line source behavior, it is essential to have a tall and slim

driver. (Simply stacking multiple “cone & dome” high frequency drivers does not create

a proper line source. Instead, it creates a series of point sources, which end up

interfering with each other). With Wisdom Audio’s planar magnetic technology, it

becomes possible to have drivers that are extremely tall and slim.

Because of this shape, the sound (even at high frequencies) is distributed uniformly

across the width of the room from a driver that “looks” only less than an inch wide

acoustically. However, the sound is launched in a much more directional way vertically.

By minimizing early reflections from the ceiling and the floor, the clarity of the system is

greatly enhanced. This is heard in both tremendous musical detail and in much-

improved dialog intelligibility.

SAGE SERIES L100i WISDOMAUDIO.COM

For more detailed information on planar magnetic drivers and the difference between

point source and line source speakers please visit wisdomaudio.com.

Unpacking and Installing the L100i

The Wisdom Audio Sage L100i freestanding speaker is a substantial piece of equipment.

Please exercise caution when unpacking your L100i to ensure that you do not strain

yourself from its (perhaps unexpected) weight.

Caution! Do not attempt to lift your L100i while bending or twisting from the waist.

Use your legs for lifting, not your back. Always stand as straight as possible and keep the

L100iclose to your body to reduce strain on your back.

There are three major pieces involved in a single L100i loudspeaker:

•the Uni-Grip™ in-wall mounting system

•the high operating pressure bass module

•the planar magnetic midrange/treble module

Note that the two Uni-Grip™ frames for the L100i are not interchangeable, due to

differences in the pattern of threaded holes used to attach the planar and woofer

speaker modules to the frame of each Uni- Grip™. Pay close attention to the labeling on

each, which indicates “Planar Section, Top” or “Woofer Section, Top” respectively.

In most cases, the planar magnetic section of the L100i will be inside of the woofer

sections. In addition, the two sections must be within approximately 5" of each other

and should typically flank either side of a stud.

Because of the magnitude of the bass energy of which the L100i is capable, it is strongly

recommended that the walls into which the L100i is installed are rein- forced and as

strong as feasible.

In new construction or remodeling applications, we recommend framing in dedicated

spaces that are between 10–11 inches wide for the woofer sections, just slightly wider

than the 9.52 inches required by the Uni- Grip™frame. If the wall is going to be skim-

coated with plaster after construction, consider using ¾" inch MDO plywood or MDF for

the wall for superior strength. (This approach is advantageous for the woofer sections;

the reaction mass of the planar section is extremely low and does not require this level

of reinforcement.)

SAGE SERIES L100i WISDOMAUDIO.COM

1. Determine the area for the speaker installation and locate the cutout guide using

pushpins to secure it in place. Ensure that the template is plumb using a bubble

level or similar. Note: Make certain that there are no studs, plumbing or

electrical conduit in the intended area behind the wall before you begin marking

and cut- ting!

2. Trace the outer perimeter of the cutout guide with a pencil or a utility knife.

3. Remove the traced section of sheet rock using a keyhole saw, and clear debris

from the edge of the hole.

4. Push any insulation to the side.

5. Disassemble bezel/Uni- Grip™ and place the supplied Allen head screws to the

side. Place the bezel in the wall cutout and insert the Uni-Grip clamping bar

through the opening at an angle, working on one side first. Reinstall the Allen

head screws with the supplied 3/32" drill bit, securing both pieces to each other

(sandwiching the wall between them), but do not tighten yet. Repeat on the

other side.

6. Using a level, adjust assembly in wall cutout to ensure that the assembly is

plumb. Tighten the Allen screws. Do not over torque or strip these screws. The

large clamping area of the Uni-Grip system does not require unusually high

torque on the screws to be secure.

7. Paint the bezel and grill as necessary, being careful not to plug up the holes in

the grille. Note that the speaker modules are not mounted in the bezel and grille

assembly at this time. They can be mounted later, after all the paint is dry.

8. Using assistance to hold the speaker modules away from the wall, connect both

high and low pass speaker cables to the two connectors at the ends of the back

boxes, paying attention to assign the correct band-pass and polarity to their

respective speaker connectors.

9. Insert the speaker/back box assembly into the Uni-Grip frame and attach using

the supplied Allen head screws and 3/32" drill bit. Do not over torque or strip

these screws.

After unpacking your L100i, keep all packing materials for future transport. If you need

to ship your L100i, only the original, purpose-designed shipping carton is acceptable.

Any other method of shipping this product runs a significant risk of damage to the L100i

– damage that would not be covered by the warranty. (If you lose your packaging and

need to ship your speakers, replacement packaging can be purchased from Wisdom

Audio.)

SAGE SERIES L100i WISDOMAUDIO.COM

Proper Planar Placement for front L&R and Rear Surrounds

When using the L100i for front L&R and or Rear Surrounds the planar drivers should

always be placed on the inside as shown below in a front screen wall LCR example.

Making the L100i Connections

As with any system, you should make changes to the connections only when the power

is turned off to avoid any chance of inadvertently causing a problem (such as a short-

circuit).

Note: The Wisdom Audio L100i is a tri-amplified speaker that requires three sets of

speaker wire to each location rather than the usual two. One pair of connections is for

the planar magnetic module, whereas the woofer module uses two sets of connections,

one each for four of the eight woofers.

We recommend using heavy-gauge speaker wire, the gauge will vary dependent on your

speaker run length. Please consult an authorized dealer to determine what gauge would

be best for your application.

For the purposes of this manual, we will assume that you have already connected the

Stereo/Surround System Controller as per the instructions found in its manual. As such,

you should have signal coming from your source component(s) to a preamp/ processor,

the signal output is split into low and high sections, with the low section going to one or

more Wisdom Audio SA Series amplifiers, and the high section going to another

amplifier, which will drive the planar magnetic panels.

Connect the outputs of your Wisdom Audio SA-series amplifier to the appropriate

woofer sections, taking care to get both the channel assignments and the polarity

correct. Connect the positive (+) terminals on the SA Series amplifier to the positive (+)

SAGE SERIES L100i WISDOMAUDIO.COM

terminals for the woofer on the loudspeaker; likewise, connect the negative (–)

terminals on the amplifier and the speaker, respectively.

Next connect the outputs of your chosen amplifier for the midrange/treble to the Sage

L100i planar sections in a similar fashion, taking care with both channel assignments and

polarity.

Care and Maintenance

To remove dust from the front of your L100i, use a feather duster or a lint-free soft

cloth.

To remove stubborn dirt and fingerprints from the grille, we recommend isopropyl

alcohol and a soft cloth. Lightly dampen the cloth with alcohol first and then clean the

grille of the L100i with the cloth. Do not use excessive amounts of alcohol –there is no

need for the cloth to be wet; merely damp is better.

Never attempt to clean the drivers themselves.

North American Warranty

Standard Warranty

When purchased from and installed by an authorized Wisdom Audio dealer, Wisdom

Audio loudspeakers are warranted to be free from defects in material and workmanship

under normal use for a period of 10 years from the original date of purchase.

Furthermore, the transducers (“drivers”) in your Wisdom Audio speakers are warranted

to be free from defects in material and workmanship under normal use for a period of

10 years from the original date of purchase.

CAUTION!

Do not touch the surface of the planar magnetic drivers, under any circumstances.

The thin film has been carefully pre-tensioned at the factory; any subsequent contact

can only damage it.

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