Wisdom Sage C225i Bedienungsanleitung

Owner’s Manual

Sage C225i

Quint (5)-amplified In-Wall Line Source

Coaxial Planar Magnetic Loudspeaker

SAGE SERIES C225i WISDOMAUDIO.COM

Table of Contents

Introduction | 3

Overview | 3

Unpacking and Installing the C225i | 7

Proper Planar Placement | 9

Making the Connections | 9

Care and Maintenance | 10

North American Warranty | 10

Obtaining Service | 12

Specifications | 13

Dimensions | 13

DOCUMENT CONVENTIONS

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

Audio Sage Series C225i 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 C225i 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 Sage C225i series loudspeaker 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 contact us to learn which

products/amplifiers/ surround processors outside of our DSP Amplifiers will work

with our speakers and subwoofers. [email protected]

Overview

Your Sage Series C225i 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

SAGE SERIES C225i WISDOMAUDIO.COM

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

way.

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 C225i

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

discover yourself hearing details at even modest levels on the C225i 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.

SAGE SERIES C225i WISDOMAUDIO.COM

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 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 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 C225i WISDOMAUDIO.COM

By contrast, the Wisdom Series C225i 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 C225i 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 C225i

The Wisdom Audio Sage C225i in-wall speaker is a substantial piece of equipment.

Please exercise caution when unpacking your C225i to ensure that you do not

strain yourself from its (perhaps unexpected) weight.

Caution! Do not attempt to lift your C225i while bending or twisting from the

waist. Use your legs for lifting, not your back. Always stand as straight as possible

and keep the C225i close to your body to reduce strain on your back.

There are three major pieces involved in a single C225i loudspeaker:

• the Uni-Grip™ in-wall mounting system

• the high operating pressure bass module

• the planar magnetic midrange/treble modules

Note that the two Uni-Grip™ frames for the C225i 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 C225i 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 C225i is capable, it is

strongly recommended that the walls into which the C225i 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 C225i 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 C225i, keep all packing materials for future transport. If you

need to ship your C225i, only the original, purpose-designed shipping carton is

acceptable. Any other method of shipping this product runs a significant risk of

damage to the C225i – 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 C225i WISDOMAUDIO.COM

Proper Planar Placement

For the C225i the planar magnetic (HF) drivers should always be placed in the

middle of the two woofer (LF) drivers.

Making the C225i 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 C225i is a quint-amplified speaker that requires five sets

of speaker wire to each of the locations rather than the usual two. One pair of

connections is for the planar magnetic module, whereas the woofer modules uses

four sets of connections, one each for six of the 24 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.

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

(+) 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 C225i planar sections in a similar fashion, taking care with all five channel

assignments and polarity.

SAGE SERIES C225i WISDOMAUDIO.COM

Care and Maintenance

To remove dust from the front of your C225i, 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 C225i 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.

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.

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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