Instrukcja obsługi JBL GHE1200V

JBL głośnik GHE1200V

Przeczytaj poniżej 📖 instrukcję obsługi w języku polskim dla JBL GHE1200V (8 stron) w kategorii głośnik. Ta instrukcja była pomocna dla 8 osób i została oceniona przez 2 użytkowników na średnio 4.5 gwiazdek

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Strona 1/8
GHE SERIES
LOUDSPEAKERS
OWNER’S
MANUAL
GHE
G H E 1 0 0 0 V
G H E 1 2 0 0 V
S E R I E S
INTRODUCTION
Congratulations on choosing JBL GHE
Series Loudspeakers. Their high efciency
and bass response will greatly increase
your enjoyment of recorded music. JBL
speakers are built with careful attention
to detail, using only the highest quality
materials. They will provide many years
of excellent performance.
Your GHE Series Loudspeakers are very
easy to set up. We recommend that you
take a few minutes to read this owner's
manual before you begin, and follow the
instructions carefully.
ENGINEERING FEATURES
1.
High Eciency.
Modest ampliers or
receivers will be able to produce acoustic
levels normally associated with ampliers
of substantially higher power ratings.
2.
Video Shielding.
The GHE Series
incorporates magnetic shielding to allow
use on or next to video monitors and TVs.
The magnetic shielding prevents the
powerful GHE speaker magnets from
creating any interference or distortion of
the video picture.
3.
Bi-wiring Capability.
The GHE Series
speaker terminals are designed so that
separate sets of speaker cable can be
attached to the woofer and midrange/
treble portions of the crossover network.
4.
Polypropylene Cone Midrange.
Pro-
vides clean, lifelike, accurate reproduction
of the human voice and other sounds
revealed by midrange frequencies.
5.
Tuned Port Bass Design.
Extends low-
frequency response, reduces distortion
and improves power handling capacity.
PLACEMENT
The GHE Series cabinet height and driver
placement allow for speaker placement
directly on the oor. The video shielding
allows for the option of placement very
close to a video monitor/TV. When used
as Left and Right Channel speakers in a
Dolby Pro Logic AV system, the shielding
allows the speakers to be placed up
against the sides of the monitor/TV for a
compact AV system prole (see Fig. 1). If
you desire better stereo imaging when
using your speakers for both video and
audio, the speakers should be moved fur-
ther apart from each other, approximately
2 to 3 feet (.75 to 1m) from the sides of
the monitor/TV.
Fig. 1
For the best audio stereo reproduction,
the two loudspeaker systems should be
an equal distance from your listening posi-
tion and separated so that the angle
between them, at the listening position, is
between 40 and 60 degrees (see Fig. 2).
For example, if your listening position is 8
to 12 feet (2.5 to 4 m) from each speaker,
the two systems should be about 8 feet
(2.5 m) apart. Placing the loudspeakers
in corners or against a wall will result in
the strongest (not necessarily the most
accurate) bass. Since the GHE Series are
ported on the front panel so you can place
the rear of the speaker up against a wall
if desired.
Fig. 2
2
CONNECTIONS
To connect the loudspeaker systems
to the receiver or amplier, use two-
conductor insulated wire. Your JBL dealer
can recommend suitable cables, or you
can buy wire at most hardware or elec-
tronic stores. We recommend #16 AWG
wire as a minimum size.
If planning to
use the bi-wiring feature, please read
that section of the manual for type of
speaker interconnect wire to use.
If
your speakers are more than 30 feet
(10 m) from your receiver or amplier, use
larger diameter wire. Connections are
made at the terminals located on the back
of the loudspeaker system. The terminals
accept bare wire or dual banana plugs,
either of which will provide easy, secure
connections.
Preparing the Hookup Wire
Carefully plan your wire lengths before
cutting any speaker wire. Be sure to allow
plenty of extra wire to help hide paths in
corners, along baseboards, etc.
1. First determine the wire length needed
between the most distant speaker and the
receiver or amplier.
2. Now make the hookup wires for both
speakers this length, even if one loud-
speaker is much closer to your amplier
than the other. This will help maintain
proper signal balance.
3. Strip o 3/8" of insulation from both
ends of each conductor.
4. Twist each set of thin wires into a
tightly-bunched spiral.
5. At this point you need to identify a
visual dierence between the two conduc-
tors of each molded pair of speaker wire.
Dierentiating marks can be a different
color wire (copper or "silver"); a strand
of yarn in one conductor; thin, raised ribs
on one part of the outer insulation; or a
printed "+" marking on one of the insula-
tors. It does not make any dierence
which of the two strands of wire go to (+)
and (–) on the speakers and amplier, as
long as both speakers are connected
identically. If using wire ends, unscrew the
colored nut on the terminal cup, insert the
wire end into the hole in the metal post,
then retighten the nut until the wire is
tightly secured. If using banana plugs,
simply insert the plug directly into the
holes on the top of the metal posts.
For each channel, the red terminal on the
loudspeaker should be connected to the
red or (+) loudspeaker connection terminal
on the receiver or amplier, and the black
to the black or (–) speaker conection ter-
minal (see Fig. 3). Connecting the loud-
speakers in this manner ensures that they
will be in phase; that is, work together
rather than in opposition. Connecting the
loudspeakers out of phase will not dam-
age them, but will result in less bass and
poor imaging.
Fig. 3
Hooking Up Multiple Sets of Speakers
If your receiver has two complete sets of
speaker terminals ("A" and "B"), it's possi-
ble to hook up an additional pair of speak-
ers for
simultaneous
sound in another
room. However, some speakers may not
be usable as a second pair if you want to
play two sets at once. Before hooking up
another set of speakers besides your
GHE Series, check the following:
1. Your receiver or amplier minimum
load impedance. Impedance is always
expressed in ohms and can be found in
the owner's manual that came with your
unit. For example, the following are typical
entries in receiver/amplier owner's
manuals:
A)100 watts RMS into 8 ohms, both chan-
nels driven, 20–20kHz with less than
0.02% THD.
Left
Speaker
Amplifier/Receiver
Right
Speaker
Red Blk.
(+)
+ +
(–)
Red
RL
Blk.
(+) (–)
GHE SERIES
3

Specyfikacje produktu

Marka: JBL
Kategoria: głośnik
Model: GHE1200V

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