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  9. JL Audio 8W1v3-4 User manual

JL Audio 8W1v3-4 User manual

OWNER'S
MANUAL
8W1v3-4 Subwoofer Driver
Congratulations
on
your
purchase
ofa
JL
Audio
subwoofer
component.
Your
JL
Audio
subwoofer
is
a
precision
loudspeaker
which
has
been
engineered
to
produce
the
highest
quality
sub-bass
performance
in
your
vehicle.
Authorized
JL
Audio
dealers
have
extensive
technical
information
for
many
different
applications
of
your
new
speaker.
They
fllso
have
the
knowledg
e,
skills
and
tools
to
build
a
high-quality
enclosure
that
will
maximize
the
performance
of
your
speaker
.
We
highly
recommend
that
you
have
your
enclosure
built
by
an
authorized
JL
Audio
dealer.
Inside
you
will
find
specifications
and
two
recommended
enclosures
for
your
speaker
;
one
is
a
sealed
enclosure,
the
other
is
a
ported
design.
Both
types
of
enclosures
will
give
you
e
xc
e
ll
ent
sound
quality and
low-frequency
extension.
The
sealed
enclosur
e
is
a
better
choice
if
spa
ce
is
extremely
tight,
but
the
ported
enclosure
will
produce
3dB
more
output at
the
same
power
if
you
have
the
extra
space
to
work
with.
2
8W1v3
SUBWOOFER PHYSICAL
SPECIFICATIONS
8.0ih
Nominal
Diameter:
+«
>1\ 200
mm
8.5
in
Overall Diameter
(A}
:
21
6 mm
Bolt Hole Circle
(C):
7.85
in
199mm
M
D.
<Dl
A.72
in
agne~
,
,am~ter.
:
12
0
mm
.
.,..
_'!>\.'
3.86 in
Mounting
Depth
(E):
98 mm
•· ..
7.41os
Net
Weight: •
3
.4
kg
0.018
ft
3
Driver Displacement:
O.Sl
lit
ers
.JL
AUDIO
BW1v3·4
U.S.
PA
T
EN
TS:#
5,734,734
#6
,S01,
84
4 #6
,2
19,
43
1
#0
480,709
Other
U.S.
&
Forei
gn
patents
pe
nd1ng.
SUBWOOFER
8W1v3
-4
Free AirResonance
(Fs}:
Electrical "Q"(Qes}:
Mechanical"Q"(Qms}:
Total Speaker"Q" (Qts}:
One-way, Linear Excursion (Xmax
}*
:
Efficiency
(1W!1m}**
:
Effective Piston Area
(Sd
}:
DC Resistance (Re}:
Nominal Impedance:
35.40
Hz
0.451
5.
791
0.4
18
0.3 in
8mm
8;
4:80
dB
SP
L
32.
67 in
2
0.02
11 m
2
4.06ohm
4ohm
• Xmaxspecificat
ion
sare derived via o
ne
-way
vo
icecoil overhang m
ethod
with
no
corr
ect
ionfactors
app
lied.
••
Effici
ency
(lW
/
lm)
is
not
an accurateindicator
of
a
subwoofer
's
output
capab
ilit
y and should
no
t
be
used
as
a comparison
to
other
subwo
of
ers
to
determine
wh
ich oneis"louder" !
All
spec
i
ficat
io
ns
are
subject
to
change
w
it
ho
ut
notice.
.JL
A
UD
IO
BW1v3-4
All
specifications
are
subject
to
change
without notice.
SUBWOOFER I
RECOMMENDED
SEALED ENCLOSURES
Volume
External Dimensions F3
Fe
Qtc
(net int.) (Wi
dth
x
Height
x Depth) (Hz)
(H
z)
8W1v3-4
0
.350
ft
3
12
in. x
10
in. x
8.625
in.
59.9
60.7
0.7
17
9.90 lit
ers
305
mm
x 254 mm x
21
9
mm
SUBWOOFER I
RECOMMENDED
PORTED ENCLOSURES
Volume
Enclosure
External
Dimensions
(n
et
int.) (Width x
Height
x
Dep
th
)
8W1v3-4
0
.500
ft
3
13
i
n.
x
10
in. x
11.1
25
in.
1
4.2
liters 330
mm
x 254
mm
x
283
mm
·The enclosure
re
commendations
li
sted a
re
external
dimensions which
as
sume the
use
of 3/4" (19mm)
thick materia
l.
If you a
re
using 5/8" (16mm) th
ic
k
material, subtract 1/4" (6.5mm) from
eac
h dimen
sio
n.
Do not u
se
any mate
ria
l with a thick
ness
of
l
ess
than
5/8" (16mm)
as
this
ma
y compromi
se
the rigidity
of
the enclosure.
• Allenclosurevolumeslistedare
net
internalvolumes!
Box
volume displacemen
t,
port displacement and
bra
ce
di
splacement mustbe added
to
obtain the fi
nal
gross internal volu
me.
Allen
cl
osure dimensionsli
ste
d
ha
ve already taken thisinto account.
Round
Port
Specs
Port Information
(InnerDiameter x Length)
2 in.x
10
in. Round port re
qu
i
res
a 90" elb
ow
51
mm
x
254
mm
to
fi
t in the spec
if
ied enclo
sure
Tune
to:
(
Hz)
38
Overhead
Cu
ta
way
View
F3
(H
z)
39.
1
·When using
two
subwoofers in a
com
mon
enclosure simply
double
the required vol
ume
and,
in the
case
of a ported enclo
sure,
u
se
two
times
the
recommended
po
rt
(s).
·W
e r
ec
o
mm
end
th
e use
of
th
is
speaker in a
bi-
amplified
system
us
ing high-
qu
al
i
ty
sa
tell
it
e
speakers and amplifie
rs
.
We
do
not
recommend
the
u
se
of
this su
bwoo
fer with a passive crossover
(coil),
as
this type
of
device will adversely
af
fe
ct
performance.
Prolonged exposure
to
sound
pressu
re levels in
exces
s
of
1
OOd
B
can
cause permanent hearing l
oss.
Thishigh-performance
speaker
can
exceed this level. Ple
as
e exercise restraint in
it
s
op
eration inorderto pre
se
rve yourabili
ty
to
en
joy itsfide
lit
y.
.JL
AUDIO
BW1v3-4
When installing as
ubw
oofer in your vehicl
e,
it
is extreme
ly
import
a
nt
to
se
cure the enclosure firml
y.
We rec
om
mend
bolting the enclosure
through
the
metal
of
the
floorpan or
th
e
fr
ame
of
the
vehicle wi
th
large diameter washers
for
reinforcement.
If
an enclosure is
not
firmly attached,
it
can bec
ome
a projectile in a collision. This
is
particularly
import
ant
in a hatchback, station wagon, sports
utilit
y vehicle,
or
van.
Alls
pe
ci
fica
t
ions
are
subject
to
chan
ge
w
ith
out notice.
3
RECOMMENDED CONTINUOUS (RMS) POWER RANGE FOR ONE SUBWOOFER DRIVER:
3
0W
60
W 1
25W
2 SOW S
OOW
MEDIUM
GRAY
(MINIMUM):
From
a
reli
ab
ility st
an
dpoint,th
is
zonere
pre
se
nts
a very c
omf
ortable o
pe
rating power range for
each
driver
.
Thi
sl
eve
l of power
will
not stre
ss
the
woofer but
will
not ext
ra
ct all of its performance
potential, either.
Use
of
less
than the minimum power
le
ve
l w
ill
not
da
mage
th
e woof
er
, b
ut
may result in
u
nsati
s
fa
ctory perfo
rm
a
nce
.
I
IIW1VJ
.
LEGE N D :
~!'2
MINIMUM
LIGHT
GRAY
(OPTIMUM):
OP
TIMUM
This zone rep
res
ents
th
e best com
pr
omise
between long-term
re
l
ia
bil
it
y,
high-
out
put
and
low-disto
rti
on performance. This power level is
l
owe
r th
an
the woofer's continuous pow
er
rating
(
as
published in its specifi
ca
tions), but you will still
be taking
ad
vantage
of
the
woo
fer
's
, low-dis
torti
on
perfo
r
man
ce
range
wi
th
out u
ndue
ri
sk
of
fa
ilure
.
1
~
:
-----·
D
ANGER
ZO
NE
WA
RRAN
TY
VOID
DARK
GRAY
(MAXIMUM):
Slightly more S
PL
will be gained by pushing
the power into this zone, but typically not more
than 2
dB
, compared to
th
e light gray
zo
n
e.
The
subwoofer driver is designed to operate safely
up to t
hi
s power range, but not beyond. Operate
with caution.
BLACK
(WARRANTY
VO
I
D):
We
do
not reco
mm
end o
pe
r
at
ing woofers at th
is
level
of
power. In this zo
ne
, th
er
e is a very high
probability that the
dr
iver will fail due to e
xc
ess
ive
h
eat
and/or
me
chanical str
ess.
Subwoofer drivers operated at these levels
of
power
are
NOTcovered
under
warranty.
JL
Audio
offers
an
extensive
line
of
high-performance
subwoofer
drivers
to
fit
a
wide
variety
of
enclosure
and
power
applications.
When
designi
ng
syste""!s
with
our
drivers,
it
is
ve
ry
important
to
achieve
a
good
power
match
between
the
subwoofer
amplifier
and
the
subwoofer
driver's
capabilities.
The
power
levels listed
in
the
above
chart
represer\t continuous {RMS)
amplifier
power
per
woofer
and
assume
that
the
user
will
regularly
make
full
use
of
that
power
without
drastically
overdr
i
ving
the
amplifier{sl.
Make
sure
you
factor system
impedance
and
the
total
number
of
subwoofe
rs
into
your
calcu
lat
ions.
Adhering
to
these
power
recommendations
will
result
in
systems
that
are
both
reliable
and
enjoyable
.
JL
AUDIO LIMITEDWARRANTY (USA)
Automot
ive SubwooferComponents
JL
AUD
IO warra
nt
s
th
is speaker to be free
of
defects in materials and
wo
rkmanship for a peri
od
of
one
(1) year from the o
ri
ginal date of purchase.
Damage
ca
used by the fo
ll
ow
ing isnot covered underw
arra
nt
y:
a
cc
id
en
t,misu
se
,
a
buse,
product
mo
dification or neglect,
fai
lu
re to fo
ll
ow
installation i
ns
tructions,
unautho
ri
ze
d repair attemp
ts,
misr
ep
r
ese
nt
ations by
th
e
se
ller.
This wa
rran
ty does
not
cover incide
nt
al or con
se
quential damages and do
es
not cover the cost of
re
moving or reinstalling the unit(s). Cosmetic
da
m
ag
e due
to
accident or normal
w
ear
and tear isnot covered under warranty
This
warranty
is
not
transferable
and
applies
only
to
the
original
purchaser
of
the
product from an authorized
JL
AUDIO dealer. Warranty
is
voided
if
the
factory-applied productserial
number
is removed
or
defaced.
Should
se
rvice be nec
essary
under th
is
wa
rranty for
an
y
reason
due to
ma
nuf
ac
tu
ring def
ec
t ormalfun
ct
ion,
JL
AUD
IO
w
ill,
at i
ts
di
scre
tion,repairorreplace
the defecti
ve
product
with
newor remanufactu
red
product at no charge.
Any appli
ca
ble implied warranti
es
are limited in duration
to
the
pe
ri
od
of
the
ex
press
w
ar
ra
nt
y
as
provided herein beginning with the date
of
the original
purch
as
e at reta
il
, and no wa
rra
nti
es,
whether
express
or i
mp
li
ed, shall a
pp
ly
to
this
product thereafter. Some
sta
t
es
do
not
all
ow
limitations on i
mp
lied
wa
r
ran
ti
es
,
therefore the
se
ex
cl
usions m
ay
not a
pp
ly
to
you.
Th
is warranty gives you
spe
c
if
ic
legal rights,and you may al
so
have
oth
er rights whi
ch
va
ry
from state
to
state.
If
you need service
on
your
JL
AUDIO product:
All warranty returns should be
se
nt
to
JL
AU
DIO freight prepaid through an
authori
ze
d
JL
A
UD
IO deal
er
and mu
st
be accompanied by pr
oo
f
of
purchase
(a
copy
of
th
e original
sa
l
es
receip
t.)
Direct returns from consumers or non-
au
tho
riz
ed
dea
l
ers
wi
ll
be refu
sed
unl
ess
specifically authori
ze
d by
JL
AUD
IO wi
th
a
val
id
re
turn
au
thorization numbe
r.
Wa
rra
nt
y
ex
p
ira
tion on products returned
without proof of pu
rc
h
ase
will be determined from the manuf
ac
tu
ring date code.
Coverage may be in
va
lidated
as
this date is previo
us
to
purch
ase
date. Return only
defecti
ve
com
po
ne
nt
s.
Non-defective itemsreceived wi
ll
be returned freight-co
ll
ect
Customer is responsible for shipping charges and in
sur
ance in sending the product
to
JL
AUD
IO. Freig
ht
damage
on
r
et
urns is not covered under warranty. A
lw
ays
include proof
of
purc
ha
se (
sa
l
es
rece
ipt).
ForService Information
in
the
U.S.A. please call:
Printed in China
JL
Audio cus
tom
er servic
e:
(9
54
)443-1100
dur
ing normal business hours (Eastern T
im
e)
JL
Audio, Inc
10369 North
Co
mm
er
ce
Pa
r
kway,
Mi
rama
r,
FL
33025
International Warranties:
Productspurch
ase
d outside the United St
at
es
of Amer
ica
are
cove
red
only by that cou
nt
ry's
distributor
an
d n
ot
by JL
Aud
io, I
nc
J
LA-8
Wl
v3
-MAN-021414

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