JBL JBL400 Manuale utente

JBL400

simple

setup guide

thank youfor choosing JBL. For over 50 years, JBL

has been involved in every aspect of musical and film recording

and reproduction, from live performances to monitoring 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 enjoyment 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 complete the enclosed profile card.

It enables us to keep you posted on our latest advancements,

and helps us to better understand our customers and build

products that meet your needs and expectations.

JBL Consumer Products

JBL400 OM 7/23/98 9:43 AM Page 1

Mounting Options

On shelves.

one.Speaker Placement

On wall.

The customer is responsible

for proper selection and use

of mounting hardware,

available through hardware

stores, to properly and safely

wall-mount the speakers.

two.Speaker Connections

Separate and strip the ends of

the speaker wire as shown.

Speakers and electronics ter-

minals have corresponding (+)

and (–) terminals. It is impor-

tant to connect both speakers

identically: (+) on the speaker

to (+) on the amplifier and (–)

on the speaker to (–) on the

amplifier. Wiring “out of phase”

results in thin sound, weak

bass and a poor stereo image.

Connection Tips

JBL400 OM 7/23/98 9:43 AM Page 2

If there is no sound from

the surround speakers,

check the following:

• Check all wires and con-

nections between receiver/

amplifier and speakers. Make

sure all wires are connected.

Make sure none of the

speaker wires are frayed,

cut, or punctured.

• Review proper operation of

your receiver/amplifier and its

surround-sound features.

• Make sure the movie or TV

show you are watching is

recorded in Dolby*Surround.

If it is not, check to see if

your receiver/amplifier has

other surround modes you

may use.

If there is no sound from

the center speaker, check

the following:

• Make sure that your

receiver’s Center Channel

Mode is in the “normal” or

“wide” position. If it is in

the “phantom” position, the

center speaker will not play.

• Check all connections

between processor/amplifier

and the center speaker.

If the system plays at low

volumes but shuts off as

volume is increased, check

the following:

• Check all wires and con-

nections between receiver/

amplifier and speakers. Make

sure all wires are connected.

Make sure none of the

speaker wires are frayed,

cut, or punctured.

• If more than one pair of

main speakers is being used,

check the minimum imped-

ance requirements of your

receiver/amplifier.

Troubleshooting

JBL400 OM 7/23/98 9:43 AM Page 3

JBL Consumer Products

80 Crossways Park West, Woodbury, NY 11797

8500 Balboa Boulevard, Northridge, CA 91329

www.jbl.com

trademark of JBL, Incorporated.

*Trademark of Dolby Laboratories.

8/97 Part No. 15-30-4241-00

Specifications

*The maximum recommended

amplifier power rating will

ensure proper system head-

room to allow for occasional

peaks. We do not recommend

sustained operation at these

maximum power levels.

Occasional refinements may

be made to existing products

without notice, but will

always meet or exceed origi-

nal specifications unless

otherwise stated.

JBL400

High-Frequency Transducer: 1/2" poly dome

Low Frequency

(high-polymer laminate): 4-1/2"

Crossover Frequency: 9.0kHz

Frequency Response (–6dB): 100Hz – 20kHz

Sensitivity (1 watt/1 meter): 90dB

Nominal Impedance: 8 ohms

Recommended Maximum

Power Handling*: 50 watts

Dimensions (H x W x D): 8-11/16 x 5-7/8 x 5-1/4"

221 x 149 x 133mm

Weight: 5 lbs/2.3 kg

JBL400 OM 7/23/98 9:43 AM Page 4

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