Alpine SWR-8D4 - Enclosure Recommendations; Sealed Box Specifications; Vented Box Specifications

SWR-802/04
Sealed
Box
Range
Net
Internal Volume
0.15-0.50
ft
3
External
Box
Dimensions
13"
X
13"
X
5.5"
Recommended
Gross
Internal Volume
0.30
ft
3
Sealed
Box
Net
Internal Volume
0.25
ft
3
F3,
Qtc
02
:
59
Hz,
0.72
04:
59
Hz,
0.72
Net Internal Volume
0.25-0.7
ft
3
Vented Box Range
Tuning
36-40Hz
External
Box
Dimensions
11
11
X
8.5"
X
20"
Gross
Internal Volume
0.70
ft
3
Aire
de
l'event
(dimensions)
5.25
in
2
(7"
x
0.75")
Recommended
Vented Box
Vent
Length
15.5"
Vent
Displacement
0.10
ft
3
Net
Internal Volume (Vb)
0.55
ft
3
F3,
ripple,
Fb
02:
32
Hz,
2
dB,
37
Hz
04:
32
Hz,
2
dB
,
37
Hz
Notes:
1) Recommended
enclosure
net
Internal
volume
is
based upon
3/4"
(19mm) MDF
enclosure
construction.
2)
Consult
the
table
below
for
alternative
enclosure
net
internal
volume
calculation.
Front
Mount
Displacement* (magnet in)
-0.050
ft
3
Reverse Mount Added
Volume*
(magnet out)
+0.035
ft
3
' Based upon
3/4"
(19mm) baffle thickness,
wtth opemng c
ut
approximately
to
gasket tnner dtameter
SWR-802104
Gamme
Box
Sealed
Net
volume
interne
0.15-0.50 pi
3
Dimensions de
Ia
boite exterieures
13
pox
13
pox
5.5
po
recommended
Volume
interieur brut
0.30 pi
3
Bolte
Scelle
Volume
interieur Net ***
0.25 pi3
F3, Otc
02:
59
Hz,
0.72
04:
59
Hz,
0.72
Gamme
charge
Volume
net
interne
0.25-0.7
pi3
bass-reflex
mise au point
36-40Hz
Dimensions exterieures
11
po x 8.5 po x
20
po
Volume
interieur brut
0.70
pi3
Aire
de
l'event
(dimensions) 5.25 in2 (7
pox
0.
75
po)
recommended
Longueur
de
I'
event 15.5 po
charge bass-reflex
deplacement
de
l'event
0.
10pi3
Volume
interieur Net (Vb)***
0.55
pi 3
F
3,
crete,
Fb
0
2:
32
Hz,
2
dB,
37
Hz
04:
32
Hz,
2
dB,
37
Hz
Notes:
1)
Recommande enceinte
volume
net
interne
est
basee
sur
3/4 "(19mm)
de
construction
boitier
en MDF.
2)
Consulter
le tableau
ci-dessous
pour
le calcul
de
filet
d'enclos
alt
ernative
volume
interne.
Av
ant
le deplacement
du
Mont
* (aimant)
-0.050
pi
3
lnv
ers
er
Volume
mont
Ajoute *
(d
es
aima
nt
s)
+0.035
pi
3
•
Sur
Ia
b
ase
de
l'epatsse
ur
du deflecte
ur
3/4"
(1
9mm),
av
ec une o
uv
erture coupee
a
peu
pr
es
a
JOint dtametre
1nte
n
eur