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Infinity Subwoofer Kappa 100.9W

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Sida 1/8

K A P P A

100.9w

120.9w

K A P P A

THANK YOU

for choosing an

Infinity

Kappa

Series 100.9w or 120.9w

subwoofer. These Kappa subwoofers are

designed to suit a broad range of car audio

applications and can be used in a wide

variety of enclosure types to produce

extended, powerful bass in a limited

amount of vehicle space. To get the most

performance from your new subwoofer,

it is strongly recommended that you have

a qualified professional install your 100.9w

or 120.9w subwoofer. Although this manual

does provide general instructions about

installing these Kappa Series subwoofers,

it does not include enclosure construction

details or exact installation methods for

any particular vehicle. If you do not feel

that you have the necessary experience,

do not attempt the installation yourself, but

instead ask your authorized Infinity dealer

about professional installation options.

Remember to keep your sales receipt in a

safe place, along with this manual, so that

both are available for future reference.

BOX CONTENTS

(1) 100.9w or 120.9w subwoofer

(1) Foam mounting gasket

(1) 3mm hex wrench

(1) Owner’s manual

(1) Technical data sheet

WARNING

Playing loud music in a vehicle can hinder

your ability to hear traffic and permanently

damage your hearing. The maximum volume

levels achievable by Infinity speakers when

combined with high-power amplification

may exceed safe levels for extended

listening. Using low volume levels is

recommended when driving. Infinity

Systems accepts no liability for hearing

loss, bodily injury, or property damage as

a result of use or misuse of this product.

REPRODUCING

BASS IN VEHICLES

Depending on the size of your vehicle’s

interior listening space, reproduced bass

frequencies below 80Hz will be boosted

by nearly 12dB per octave as frequency

decreases. This phenomenon, known as the

vehicle’s transfer function (or cabin gain),

plays an important role in shaping the

subwoofer’s frequency response in your

vehicle. The enclosed technical data sheet

includes frequency response graphs that

show both the subwoofer’s “in-car”

response (which factors in this vehicle

transfer function) and its “out-of-car”

response (which does not).

SUBWOOFER

ENCLOSURE TYPES

Kappa 100.9w and 120.9w subwoofers are

designed to perform best in moderately

sized sealed enclosures, vented enclosures

and prefabricated band-pass enclosures.

Infinite-baffle mounting is possible, but the

subwoofer’s mechanical power handling will

be reduced because there will be no volume

of air to stiffen the subwoofer’s suspension

and prevent overexcursion. If you choose

infinite-baffle mounting, consider the RMS

and peak power-handling ratings to be half

of what is listed in the specifications in

this manual.

You should choose an enclosure type

based on the amount of cargo space you

can devote to the enclosure, the amount

of power you will use to drive your

subwoofer(s), and your listening habits.

S EEALED NCLOSURES

The air trapped inside a sealed enclosure

is compressed when the subwoofer

moves rearward and is rarefied when the

subwoofer moves forward. In both cases,

the air inside and outside the box will

seek equilibrium by pushing and pulling

on the subwoofer cone. The result is a

stiffer suspension when compared to the

subwoofer operating in free air. This means

that the subwoofer’s cone will be harder

to move at low frequencies, a condition

which protects the subwoofer from

physical overexcursion, but requires more

power than other designs to achieve a

given acoustic output.

See accompanying data sheet for specific

enclosure dimension requirements.

S P AEALED-ENCLOSURE ERFORMANCE DVANTAGES

• The in-vehicle performance will have

the flattest overall frequency response.

• The in-vehicle response will have the

widest bandwidth. (Usable low-frequency

response inside the vehicle will be

below 20Hz.)

• An optimum sealed enclosure will always

be smaller than an optimum enclosure of

another type.

S P TEALED-ENCLOSURE ERFORMANCE RADE-OFFS

• An optimum sealed enclosure will have

lower overall efficiency than an optimum

enclosure of another type.

• A 100.9w or 120.9w subwoofer in an

optimum sealed enclosure will require

more amplifier power to achieve a given

acoustic output than in an optimum

enclosure of another type.

S CEALED-ENCLOSURE ONSTRUCTION

Sealed-enclosure construction is straight-

forward and forgiving of errors in volume

calculation, but air leaks should be avoided.

Use medium-density fiberboard (MDF), glue

and screws to construct the enclosure, and

seal all joints with silicone caulk.

T I RHE NFINITY ECOMMENDATION

100.9w and 120.9w subwoofers in sealed

enclosures are recommended for enthusi-

asts who prefer accurate music reproduc-

tion and flat frequency response, for those

who have a smaller space to devote to a

subwoofer enclosure, and for those who

have plenty of amplifier power devoted to

driving the subwoofer. The sealed-enclosure

design indicated on the technical data sheet

accompanying this manual represents the

best compromise between low-frequency

extension and flat response.

ENG

Produktspecifikationer

Varumärke:	Infinity
Kategori:	Subwoofer
Modell:	Kappa 100.9W
Produkttyp:	Subwoofer-drivrutin
Bredd:	- mm
Djup:	- mm
Höjd:	- mm
Diameter:	273 mm
Antal förare:	1
Subwoofertyp:	Passiv subwoofer
Subwoofer RMS-effekt:	350 W
Subwooferns frekvensomfång:	25 - 400 hz
Subwoofer toppeffekt:	1400 W
Subwooferns högtalarelement, diameter (imperial):	10 "
Subwooferimpedans:	4 Ω
Subwoofer känslighet:	89 dB