JBL LS120P Bruksanvisning

JBL Subwoofer LS120P

Läs nedan 📖 manual på svenska för JBL LS120P (8 sidor) i kategorin Subwoofer. Denna guide var användbar för 2 personer och betygsatt med 4.5 stjärnor i genomsnitt av 2 användare

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English
LS120P (230V)
JBL LS SERIES
OWNER’S GUIDE
®
2
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
registers, 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 is 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,
particularly at plugs, convenience receptacles and the point where
they exit from the apparatus.
11. Only use attachments/accessories 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/apparatus 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, or the apparatus has been
exposed to rain or moisture, does not operate normally or has been
dropped.
15. Do not expose this apparatus to dripping or splashing and ensure
that no objects filled with liquids, such as vases, are placed on the
apparatus.
16. To completely disconnect this apparatus from the AC Mains,
disconnect the power supply cord plug from the AC receptacle.
17. The mains plug of the power supply cord shall remain readily
operable.
18. Do not expose batteries to excessive heat such as sunshine, fire
or the like.
The lightning flash with arrowhead symbol, within
an equilateral triangle, is intended to alert the
user to the presence of uninsulated “dangerous
voltage” within the product’s enclosure that may
be of sufficient magnitude to constitute a risk of electric shock to
persons.
The exclamation point within an equilateral triangle is
intended to alert the user to the presence of important
operating and maintenance (servicing) instructions in
the literature accompanying the product.
WARNING: To reduce the risk of fire or electric shock, do not expose
this apparatus to rain or moisture.
IMPORTANT SAFETY INSTRUCTIONS
English
For more than 60 years, JBL has been providing audio equipment to
concert halls, recording studios and movie theaters around the
world, and has become the hands-down choice of leading recording
artists and sound engineers.
With the JBL LS Series, innovative technologies such as pure-titani-
um compression tweeters, Elliptical Oblate Spheroidal™(EOS) wave-
guides and PolyPlas™transducer reinforcement are available to you.
Enjoy!
UNPACKING THE SUBWOOFER
If you suspect damage from transit, report it immediately to your
dealer. Keep the shipping carton and packing materials for future
use.
PLACEMENT
Since the installation of a subwoofer can be somewhat more
complicated than installation of full-range speakers, it is essential
that you read this section very carefully prior to connecting the
subwoofer to your system. Should you have questions relating to
your installation, it is advisable to call your dealer or distributor for
advice.
The performance of the subwoofer is directly related to its
placement in the listening room and how you align the subwoofer
with its satellite speakers. Setting the volume of the subwoofer in
relationship to the left and right speakers is also of critical
importance because it is essential that the subwoofer integrate
smoothly with the entire system. Setting the subwoofer’s volume
level too high will result in overpowering, boomy bass. Setting the
volume level too low will negate the benefits of the subwoofer.
Here are several additional facts on installation that may prove
useful. It is generally believed by most audio authorities that low
frequencies (below 125Hz) are nondirectional and, therefore,
placement of a subwoofer within any listening room is not critical.
While in theory it is true that the larger wavelengths of extremely
low frequencies are basically nondirectional, the fact is that, when
installing a subwoofer within the limited confines of a room,
reflections, standing waves and absorptions generated within the
room will strongly influence the performance of any subwoofer
system. As a result, specific location of the subwoofer becomes
important, and we strongly recommend that you experiment with
placement before choosing a final location.
Placement will depend upon your room and the amount and quality
of bass required (for example, whether or not your room permits
placement of the subwoofer near either satellite).
Figure 1. This example shows the subwoofer positioned behind the
right-channel satellite speaker to re-create the actual location of
bass instruments in an orchestra and/or add impact to movie sound-
tracks.
INSTALLING SPIKED FEET
Four metal spikes are supplied for use when the speaker is to be
placed on a carpeted surface; using them decouples the speaker
from the floor to prevent unwanted damping. To insert the spikes,
gently lay the speaker on its side (not its front or back) on a soft,
nonabrasive surface, and unscrew the rubber-tipped feet (store in a
safe place). Each spike then screws into the threaded insert in each
corner. Make sure all four spikes are screwed in completely for sta-
bility. To protect the surface of uncarpeted floors, set each spike into
an included metal coaster.
NEVER drag the speaker to move it, as this will damage the spikes,
the feet, the wood cabinet itself, and/or the floor. Always lift the
speaker and carry it to its new location.
JBL® LS120P POWERED SUBWOOFER
3

Produktspecifikationer

Varumärke: JBL
Kategori: Subwoofer
Modell: LS120P

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