JBL Decade DS125 Käyttöohje
Lue alta 📖 käyttöohje suomeksi merkille JBL Decade DS125 (4 sivua) kategoriassa Subwoofer. Tämä opas oli hyödyllinen 2 henkilölle ja sai 4.5 tähden keskimäärin 2 käyttäjältä
Sivu 1/4
D E C A D E
™
D S 1 0 5 , D S 1 2 5
GE NU I NE JB L
2
Choosing an Enclosure
Decade Series subwoofers are optimized
to perform best in small sealed, vented
and prefabricated bandpass enclosures.
While innite-bae mounting of Decade
Series subs is possible, power handling
will be greatly compromised since there
will be no enclosed volume of air to
prevent the speaker ’s cone from mount-
ing past its limit. For this reason, we do
not recommend innite-bae mounting
for Decade Series subwoofers.
You should choose the enclosure you will
use based on the type of music you listen
to, how much amplier 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 move-
ment, a woofer mounted in a sealed
enclosure will handle more power than a
woofer mounted in a dierent kind of
enclosure. Sealed enclosures provide
more accurate sonic reproduction than
other enclosure types, so they are well-
suited to all types of music. Sealed enclo-
sure 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 par-
ticular speaker, so they require the small-
est amount of space inside the vehicle.
Vented enclosures provide better
eciency in the 40Hz – 50Hz range, but
this eciency 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
amplier, 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 specic relationship with the character-
istics of the woofer, the enclosure must
be built exactly to the specications pro-
vided. While there are some prefabricated
vented boxes available, matching a
prefabricated vented box to a particular
woofer is dicult. If you wish to use a
vented enclosure, we strongly recom-
mend having your authorized JBL dealer
build it, or verify that your design is cor-
rect 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
greatest output available from any ampli -
er 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 essential. If you are an
experienced installer or have some wood-
working experience, you may wish to
build the enclosure described in the
Specications chart in this manual.
Fortunately, there are many prefabricated
bandpass boxes available, and they are
all optimized to extract the greatest out-
put possible from any woofer. Bandpass
enclosures can be quite large, and may
require a lot of space inside your vehicle.
Thank you for purchasing a new JBL
Decade™ Series subwoofer. Subwoofer
installation often requires woodworking
skills and some experience disassembling
and reassembling automotive interiors. If
you lack the tools or skills necessary,
have your subwoofer installed by an
authorized JBLdealer.
Warning: Playing loud music in an auto -
mobile can permanently damage your
hearing as well as hinder your ability to
hear trac. We recommend listening at
low levels while in your car. JBL accepts
no liability for hearing loss, bodily injury
or property damage resulting from use or
misuse of this product.
3
Specications
DS105, DS125
Specications DS105 DS125
Recommended Amplier Power Range: 18 – 175W 18 – 225W
Sensitivity: 92dB 93dB
Frequency Response: 38Hz – 800Hz 38Hz – 500Hz
Mounting Depth: 4-9/16" (116mm) 5" (127mm)
Cut-Out Diameter: 9" (229mm) 10-7/8" (277mm)
Thiele and Small Parameters
Nominal Impedance: 4 ohms 4 ohms
Revc: 3.52 ohms 3.45 ohms
Fs: 29.5Hz 27.4Hz
Vas: 71 liters 109 liters
Qms: 4.39 3.18
Qes: 0.29 0.37
Qts: 0.268 0.33
Mms: 74.99g 109.23g
Levc: 2.02mH 2.23mH
Sealed-Enclosure Specications
Enclosure Volume: 1 cu. ft. (28.31 liters) 1.25 cu. ft. (35.88 liters)
Vented-Enclosure Specications
Enclosure Volume: 1.5 cu. ft. (42.46 liters) 1.75 cu. ft. (49.54 liters)
Port Diameter: 3" (76.2mm) 4" (101.6mm)
Port Length: 10-3/4" (273mm)7" (177.8mm)
Bass-Enclosure Specications
Sealed-Chamber Volume: 1 cu. ft. (28.31 liters) 1.25 cu. ft. (35.88 liters)
Vented-Chamber Volume: .7 cu. ft. (19.82 liters) 1 cu. ft. (28.31 liters)
Port Diameter: 4" (101.6mm) 4" (101.6mm)
Port Length: 8" (203.2mm) 6" (152.4mm)
Tuotetiedot
| Merkki: | JBL |
| Kategoria: | Subwoofer |
| Malli: | Decade DS125 |
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