JBL Studio L8400P Manual

JBL Subwoofer Studio L8400P

Læs gratis den danske manual til JBL Studio L8400P (4 sider) i kategorien Subwoofer. Denne vejledning er vurderet som hjælpsom af 3 personer og har en gennemsnitlig bedømmelse på 4.9 stjerner ud af 2 anmeldelser. Har du et spørgsmål om JBL Studio L8400P, eller vil du spørge andre brugere om produktet?

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SPECIFICATIONS

L8400P

STUDIO

™

L SERIES

OWNER’S GUIDE

Model L8400P

Description 12" (300mm), 600-Watt, high-performance compact powered subwoofer

Amplifier

Power (RMS) 600 Watts

Peak Dynamic 1200 Watts

Power

†

Frequency

Response (–3dB) 22Hz – Low-pass crossover frequency

Low-Pass

Crossover

Frequencies 50Hz – 150Hz, Continuously adjustable

Low-Frequency

Transducer 12" (300mm) PolyPlas

™

cone with rubber surround and cast-aluminum chassis;

HeatScape

™

motor structure; Symmetrical Field Geometry

™

(SFG

™

); oversized

fiberglass voice coil; magnetic shorting ring

Baffle Low diffraction, IsoPower

™

Enclosure Sealed

Inputs Gold-plated 5-way binding-post speaker-level; left and right line-level,

switchable to LFE

Outputs Gold-plated 5-way binding-post speaker-level; 150Hz high-pass when using

speaker-level connection

Dimensions

(H x W x D) 16-1/2" (15-1/2" without feet) x 15-1/2" x 15-1/2"

(419mm [394mm without feet] x 394mm x 394mm)

Weight 58 lb (26.4kg)

†

The Peak Dynamic Power is measured by recording

the highest peak-to-center voltage produced by the

power amplifier with its limiters disabled, across

the output of a resistive load equal to minimum

impedance of the transducer, using a 50Hz sine wave

burst, 3 cycles on, 17 cycles off.

JBL and Harman International are trademarks of Harman International

Industries, Incorporated, registered in the United States and/or other countries.

Part No.

354038-001

PRO SOUND COMES HOME

™

JBL Consumer Products, 250 Crossways Park Drive, Woodbury, NY 11797 USA

8500 Balboa Boulevard, Northridge, CA 91329 USA

2, route de Tours, 72500 Chateau du Loir, France

www.jbl.com

Dolby and Pro Logic are registered trademarks of Dolby Laboratories.

DTS is a registered trademark of DTS, Inc.

All features and specifications are subject to change without notice.

READ FIRST! Important Safety Precautions!

SPEAKER PLACEMENT

• As a general rule, bass

response increases as a

subwoofer is placed closer

to a wall. Therefore, bass

output is maximized when

the subwoofer is placed in a

corner.

• It is also recommended that

the subwoofer be positioned

along the same wall as the

front loudspeakers.

Low-frequency sounds are nor-

mally omnidirectional, meaning

the listener can’t tell where they

are

generated

from. However,

frequencies between 75Hz and

150Hz can be localized, espe-

cially at higher volume levels.

Positioning your subwoofer as

recommended will provide the

most natural soundstage and

imaging from your loudspeaker

system.

Remember that these are just

guidelines. Since every listening

room is different, JBL strongly

recommends experimenting

with the positioning of your

subwoofer to obtain the most

pleasing results in your room.

One technique that can help

you find the ideal subwoofer

location is to temporarily place

the subwoofer near the main

listening location. Then move

around the room and determine

where you hear the most

pleasing bass performance.

This would then be the ideal

location for the subwoofer.

SPEAKER CONNECTION

When we designed the L8400P

powered subwoofer, our goal

was to offer the user the best

possible performance com-

bined with the most flexible

and complete installation

options. Please look over the

following three examples to

determine which description

best matches your system and

follow the corresponding

hookup instructions.

To use the binding-post

speaker terminals with bare

wire, unscrew the collar until

the hole through the center

post is visible under the collar.

Insert the bare end of the wire

through the hole in the post,

then screw the collar back

down until the connection is

tight. The holes in the center

of the collars are intended for

banana-type connectors. To

comply with European CE

certification, these holes are

blocked with plastic inserts at

the point of manufacture. To

use banana-type connectors

requires the removal of the

inserts. Do not remove these

inserts if you are using the

product in an area covered by

the European CE certification.

Speakers and electronics

have corresponding positive

(+) and negative (–) terminals.

It is important to connect both

speakers identically: positive

(+) on the speaker to positive

(+) on the amplifier and nega-

tive (–) on the speaker to

negative (–) on the amplifier.

Wiring “out of phase” results

in thin sound, weak bass and

a poor stereo image.

With the advent of multichan-

nel surround sound systems,

connecting all of the speakers

in your system with the cor-

rect polarity remains equally

important in order to preserve

the proper ambience and

directionality of the program

material.

1. Read these instructions.

2. Keep these instructions.

3. Heed all warnings.

4. Follow all instructions.

5. Do not use this apparatus near

water.

6. Clean only with a dry cloth.

7. Do not block any ventilation

openings. Install in accordance with

the manufacturer’s instructions.

8. Do not install near any heat

sources such as radiators, heat reg-

isters, stoves or other apparatus

(including amplifiers) that produce

heat.

9. Do not defeat the safety purpose

of the polarized or grounding-type

plug. A polarized plug has two

blades with one wider than the

other. A grounding-type plug has

two blades and a third grounding

prong. The wide blade or the third

prong are provided for your safety.

If the provided plug does not fit into

your outlet, consult an electrician

for replacement of the obsolete

outlet.

10. Protect the power cord from

being walked on or pinched, partic-

ularly at plugs, convenience recep-

tacles and the point where they exit

from the apparatus.

11.

Only use attachments/acces-

sories specified by the manufacturer.

12. Use only with the cart,

stand, tripod, bracket or

table specified by the

manufacturer or sold

with the apparatus.

When a cart is used, use

caution when moving the cart/appa-

ratus combination to avoid injury

from tip-over.

13. Unplug this apparatus during

lightning storms or when unused for

long periods of time.

14. Refer all servicing to qualified

service personnel. Servicing is

required when the apparatus has

been damaged in any way, such

as power-supply cord or plug is

damaged, liquid has been spilled

or objects have fallen into the

apparatus, the apparatus has been

exposed to rain or moisture, does

not operate normally, or has been

dropped.

15. Do not use attachments not

recommended by the product

manufacturer, as they may cause

hazards.

16. This product should be operated

only from the type of power source

indicated on the marking label. If

you are not sure of the type of

power supply to your home, consult

your product dealer or local power

company. For products intended to

operate from battery power, or other

sources, refer to the operating

instructions.

17. If an outside antenna or cable

system is connected to the product,

be sure the antenna or cable sys-

tem is grounded so as to provide

some protection against voltage

surges and built-up static charges.

Article 810 of the National Electrical

Code, ANSI/NFPA 70, provides

information with regard to proper

grounding of the mast and support-

ing structure, grounding of the lead-

in wire to an antenna discharge

unit, size of grounding conductors,

location of antenna-discharge unit,

connection to grounding electrodes,

and requirements for the grounding

electrode. See Figure A.

18. An outside antenna system

should not be located in the vicinity

of overhead power lines or other

electric light or power circuits, or

where it can fall into such power

lines or circuits. When installing an

outside antenna system, extreme

care should be taken to keep from

touching such power lines or cir-

cuits, as contact with them might

be fatal.

19. Do not overload wall outlets,

extension cords, or integral

convenience receptacles, as this

can result in a risk of fire or

electric shock.

20. Never push objects of any kind

into this product through openings,

as they may touch dangerous volt-

age points or short-out parts that

could result in a fire or electric

shock. Never spill liquid of any kind

on the product.

21. The apparatus shall not be

exposed to dripping or splashing,

and no objects filled with liquids,

such as vases, shall be placed on

the apparatus.

22. Do not attempt to service this

product yourself, as opening or

removing covers may expose you to

dangerous voltage or other hazards.

Refer all servicing to qualified serv-

ice personnel.

23. When replacement parts are

required, be sure the service tech-

nician has used replacement parts

specified by the manufacturer or

that have the same characteristics

as the original part. Unauthorized

substitutions may result in fire, elec-

tric shock or other hazards.

24. Upon completion of any service

or repairs to this product, ask the

service technician to perform safety

checks to determine that the prod-

uct is in proper operating condition.

25. The product should be mounted

to a wall or ceiling only as recom-

mended by the manufacturer.

Figure A.

Example of Antenna Grounding as

per National Electrical Code,

ANSI/NFPA 70

THANK YOU FOR CHOOSING JBL

For more than 50 years, JBL

has been involved in every

aspect of music and film

recording and reproduction,

from live performances to the

recordings you play in your

home, car or office.

We’re confident that the JBL

system you have chosen will

provide every note of enjoy-

ment that you expected – and

that when you think about

purchasing additional audio

equipment for your home, car

or office, you will once again

choose JBL.

Please take a moment to regis-

ter your product on our Web

site at www.jbl.com. This

enables us to keep you

posted

on our latest advance

ments,

and helps us to better under-

stand our customers and build

products that meet their needs

and expectations.

JBL Consumer Products

Produkt Specifikationer

Mærke:	JBL
Kategori:	Subwoofer
Model:	Studio L8400P

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