JBL Power P1222 Manual

JBL Subwoofer Power P1222

Læs gratis den danske manual til JBL Power P1222 (4 sider) i kategorien Subwoofer. Denne vejledning er vurderet som hjælpsom af 43 personer og har en gennemsnitlig bedømmelse på 4.6 stjerner ud af 22 anmeldelser. Har du et spørgsmål om JBL Power P1222, eller vil du spørge andre brugere om produktet?

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Side 1/4

THANK YOU

for purchasing a JBL®Power Series®subwoofer.

Subwoofer installation requires woodworking skills and

some experience in disassembling and reassembling

automotive interiors. If you lack the tools or necessary skills,

have your subwoofer installed by an authorized JBL dealer.

POWER SERIES®

P1024

P1022

P1224

P1222

car audio subwoofer

owner’s manual

CHOOSING AN ENCLOSURE

WARNING: Playing loud music

in an automobile can permanently

damage your hearing as well as

hinder your ability to hear trafﬁc.

We recommend listening at low

levels while driving. JBL accepts no

liability for hearing loss, bodily injury

or property damage resulting from

use or misuse of this product.

Power Series subwoofers are

optimized to perform best in small,

sealed, vented and prefabricated

bandpass enclosures. While

inﬁnite-bafﬂe mounting of

Power Series subs is possible,

power handling will be greatly

compromised because there’s no

enclosed volume of air to prevent

the speaker’s cone from moving

past its limit. For this reason, we

do not recommend inﬁnite-bafﬂe

mounting for Power Series

subwoofers.

You should choose the enclosure

you will use based on the type of

music you listen to, how much

ampliﬁer power you will use for the

subwoofer and how much space

inside the vehicle you can devote

to a subwoofer enclosure.

Because a sealed enclosure

provides the most control over

the woofer’s movement, a woofer

mounted in a sealed enclosure will

handle more power than a woofer

mounted in another enclosure type.

Sealed enclosures provide more

accurate sonic reproduction than

other enclosure types, so they are

well suited to all types of music.

Sealed-enclosure construction

is straightforward and there

are many prefabricated sealed

enclosures available. An optimum

sealed enclosure is always smaller

than other types of enclosures

optimized for a particular speaker,

so they require the smallest amount

of space inside the vehicle.

Vented enclosures provide better

efﬁciency in the 40Hz – 50Hz range

but this efﬁciency comes at the

expense of sound in the lowest

octave (below 40Hz) and at the

expense of some control and power

handling. If you are using a small

ampliﬁer, a vented box will provide

more bass output from less power.

Vented enclosures are also well

suited to a variety of music types.

Because vented enclosures require

the volume of the enclosure and the

size of the port to have a speciﬁc

relationship with the characteristics

of the woofer, the enclosure must

be built to the speciﬁcationsexactly

provided. While there are some

prefabricated vented boxes

available, matching a prefabricated

box to a particular woofer is difﬁcult.

If you wish to use a vented enclosure,

we strongly recommend having your

authorized JBL dealer build it, or

verify that your design is correct

if you wish to build it yourself. An

optimum vented enclosure is always

larger than the optimum sealed box

for the same woofer and will require

more space inside the vehicle.

Bandpass enclosures often

provide the most output available

from any ampliﬁer and subwoofer

combination at the expense of

sonic accuracy. If sheer SPL

(sound-pressure level) is what you

desire most, choose a bandpass

enclosure. Bandpass-enclosure

design is very tricky and the aid

of a computer and enclosure

design software is necessary. If

you are an experienced installer

or have some woodworking

experience, you may wish to build

the enclosure described in the

enclosure design sheet included

with this woofer. Fortunately, there

are many prefabricated bandpass

boxes available and they are all

optimized to extract the most

output possible from any woofer.

Bandpass enclosures can be quite

large and may require a lot of space

inside your vehicle.

Produkt Specifikationer

Mærke:	JBL
Kategori:	Subwoofer
Model:	Power P1222

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