Wisdom LS3m Series Bedienungsanleitung

Owner’s Manual

Wisdom Series LS3m

Bi-amplified

Two-way Planar Magnetic Loudspeaker

WISDOM SERIES LS3m WISDOMAUDIO.COM

Table of Contents

Introduction | 3

Overview | 3

Unpacking and Installing the LS3m | 7

The LS3m and Subwoofers | 7

Care and Maintenance | 7

North American Warranty | 8

Obtaining Service | 9

Specifications | 10

Dimensions | 11

DOCUMENT CONVENTIONS

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

Series LS3m Loudspeaker 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.

WISDOM SERIES LS3m WISDOMAUDIO.COM

Introduction

Congratulations on purchasing your Wisdom Audio system. It incorporates many design

features engineered 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 “Overview” for more information.

Our unique driver designs and our emphasis on achieving real-world performance

account for the “system” approach taken. These are not speakers that are simply

connected to speaker wires and promptly forgotten. We recognize that setting up a

Wisdom Audio system can be a bit more involved than connecting a common set of

loudspeakers, which is why we recommend that our systems be engineered and

calibrated by Factory Personnel.

Your Wisdom LS3m loudspeakers are specifically designed to avoid the compromises

inherent in conventional speaker designs. There are no passive crossover components

inside the speaker. Instead, there are direct connections from the amplifiers to their

respective High-Pass and Low-Pass drivers and an external active crossover is used, such

as the ones inside of our Wisdom SA-DSP (Digital Signal Processing) Amplifiers. It is truly

a “system” design, and not merely a collection of loudspeaker drivers in a box. Please

Amplifiers will work with our speakers and subwoofers. [email protected]

Overview

Your Wisdom Series LS3m 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.

WISDOM SERIES LS3m 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 Wisdom Series LS3m

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

yourself hearing details at even modest levels on the LS3m 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.

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.

The Wisdom Series LS3m has been designed to optimally crossover at 80 Hz, which is

the most common bass management transition used to integrate with subwoofer(s).

WISDOM SERIES LS3m WISDOMAUDIO.COM

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.

By contrast, the Wisdom Series LS3m 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.

WISDOM SERIES LS3m WISDOMAUDIO.COM

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.

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 LS3m

Your new Wisdom Audio Wisdom Series LS3min-wall speaker is relative compact, but

surprisingly massive compared to most installed speakers. Please exercise caution when

unpacking yourLS3mto ensure that you do not strain yourself from its (perhaps

unexpected) weight.

1. Remove the torx screws from the hinged lid of the crate with the supplied torx

bit, which can be found in pouch on top of crate.

2. Use the included cardboard template to trace the outline of the hole for the

speaker and carefully cut to the line.

3. Push any insulation in the wall to the side. If there is no insulation in the wall,

loosely fill the stud bay with insulation to reduce cavity resonances and improve

performance. 

4. Using assistance to hold the speaker away from the wall, connect the speaker

cable to the + and – connectors on the rear of the speaker, paying attention to

proper polarity.

5. Insert the speaker straight into the mounting opening. Use wood screws tighten

the speaker face to the mounting material.

WISDOM SERIES LS3m WISDOMAUDIO.COM

The LS3m and Subwoofers

All Wisdom Series loudspeakers are optimized for use with subwoofers, with a crossover

of 80 Hz. (This is the most common frequency below which subwoofers are used.)

When properly installed in the wall, yourLS3m has inherently a response to 80 Hz,

without the common “bass bump” that characterizes most in-wall speakers and is

placed there to yield the impression of “more bass” than there really is. This makes it

easy to blend seamlessly with a high-quality subwoofer such as one of Wisdom Audio’s

Regenerative Transmission Line™ (RTL™) subwoofers.

You should set up your surround processor for a crossover of 80 Hz and set

theLS3mspeakers as “Small” in the speaker setup portion of your processor’s setup

menu. Doing so ensures that all content below 80 Hz, is directed to the subwoofer(s) for

reproduction.

Care and Maintenance

To remove dust from the front of your LS3m, 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 LS3m 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.

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.

WISDOM SERIES LS3m WISDOMAUDIO.COM

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.

Harsh Conditions Use

Wisdom Audio loudspeakers are designed for installation and operation in

environmentally controlled conditions, such as are found in normal residential

environments. When used in harsh conditions such as outdoors or in marine

applications, the warranty is three years from the original date of purchase.

During the warranty period, any Wisdom Audio products exhibiting defects in materials

and/or workmanship will be repaired or replaced, at our option, without charge for

either parts or labor, at our factory. The warranty will not apply to any Wisdom Audio

products that has been misused, abused, altered, or installed and calibrated by anyone

other than an authorized Wisdom Audio dealer.

Any Wisdom Audio product not performing satisfactorily may be returned to the factory

for evaluation. Return authorization must first be obtained by either calling or writing

the factory prior to shipping the component. The factory will pay for return shipping

charges only if the component is found to be defective as mentioned above. There are

other stipulations that may apply to shipping charges.

There is no other express warranty on Wisdom Audio products. Neither this warranty

nor any other warranty, express or implied, including any implied warranties of

merchantability or fitness, shall extend beyond the warranty period. No responsibility is

assumed for any incidental or consequential damages. Some states do not allow

limitations on how long an implied warranty lasts and other states do not allow the

exclusion or limitation of incidental or consequential damages, so the above limitation

or exclusion may not apply to you.

WISDOM SERIES LS3m WISDOMAUDIO.COM

This warranty gives you specific legal rights, and you may also have other rights, which

vary from state to state. This warranty is applicable in the United States and Canada

only. Outside of the U.S. and Canada, please contact your local, authorized Wisdom

Audio distributor for warranty and service information.

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 your Wisdom Audio loudspeaker must be serviced, 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, or to obtain a Return

Authorization. The Wisdom Audio Service Department works closely with your dealer to

solve your service needs expediently.

IMPORTANT: Return authorization must be obtained from Wisdom Audio’s Service

Department BEFORE a unit is shipped for service.

It is extremely important that information about a problem be explicit and complete. A

specific, comprehensive description of the problem helps your dealer and the Wisdom

Audio Service Department locate and repair the difficulty as quickly as possible.

A copy of the original bill of sale will serve to verify warranty status. Please include it

with the unit when it is brought in for warranty service.

WARNING: All returned units must be packaged in their original packaging, and the

proper return authorization numbers must be marked on the outer carton for

identification. Shipping the unit in improper packaging may void the warranty, as

Wisdom Audio cannot be responsible for the resulting shipping damage.

Your dealer can order a new set of shipping materials for you if you need to ship your

loudspeaker and no longer have the original materials. There will be a charge for this

service. We strongly recommend saving all packing materials in case you need to ship

your unit someday.

If the packaging to protect the unit is, in our opinion or that of our dealer, inadequate to

protect the unit, we reserve the right to repackage it for return shipment at the owner’s

expense. Neither Wisdom Audio nor your dealer can be responsible for shipping damage

due to improper (that is, non-original) packaging.

WISDOM SERIES LS3m WISDOMAUDIO.COM

Specifications

All specifications are subject to change at any time to improve the product.

•Frequency response: 80Hz – 20 kHz ± 2dB relative to the target curve

•Crossover frequency: 750 Hz

•Nominal Impedance: 5.6Ωper section

•Sensitivity: 98 dB/2.83V/1m

•Power handling, peak: >5000w

•Dimensions: See appropriate dimensions drawings on next page

•Shipping Weight: 435 lbs. (198 kg)

For more information, see your Wisdom Audio dealer or contact: 

Wisdom Audio

1572 College Parkway, Suite 164

Carson City, NV 89706

wisdomaudio.com

[email protected]

(775) 887-8850

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