Owner's Manual
Table Of Contents
SEALED
ENCLOSURES
NOTE:
Vb
is
the
gross volume, which
is
the
TOTAL internal volume, before any
speaker
and/or
port
displacement.
All
external dimensions
were
based
on
the
use
of
3/4" (1.90cm) materials.
NOTE:
When
using enclosures
other
than recommended,
call
Technical
Support
for
correct
application.
Optimum
Sealed
Enclosure
Recommendation
Recommended
Sealed
EnclosureVolume Range
SEALDED
ENCLOSURES
8
11
1011
12
11
15
11
Pl
8481
Pl
S88
P1S410
1
Pl881
0
P1S412
1Pl8812
P1S415
1Pl8815
Vb-
Internal
Area
cu.
ft.
0.23
0.59
1.02
1.58
(Liter)
(6.51)
(16.42)
(28.88)
(44.74)
F3-
-3dB
Point
(Hz)
62.1
50.9
43.5
39.0
Qtc-
Enclosure
Damping
0.877
0.875
1.097
1.266
H-
Height-inch
10.0
12.0
14.0 18.0
(cm)
(25.40)
(30.48)
(35.56)
(45.72)
W-
Width-inch
12.0
14.0 18.0
21.0
(cm)
(30.48)
(35.56) (45.72)
(53.34)
D-
Depth-inch
6.0
9.25
10.0
10.0
(cm)
(15.24)
(23.50)
(25.40)
(25.40)
VENTED
ENCLOSURES
SEALDED
ENCLOSURES
8
11
Pl
848/
Pl
S88
Vb-
Volume
Range
cu.
ft.
0.20
to
0.30
(Liter)
(5.66
to
8.50)
1011
12
11
15
11
Pl
S41
01
Pl881
0
P1S412
1Pl8812
P1S415
1
P1S815
0.50
to
0.85 0.70
to
1.80
1.30
to
3.50
(14.16
to
24.07)
(19.82
to
50.97)
(36.81
to
99.10)
Specifications
subject
to
change
without
notice
NOTE:
Vb
is
the
gross volume, which
is
the
TOTAL internal volume, before any
speaker
and/or
port
displacement.
All
external dimensions
were
based
on
the
use
of
3/4" (1.90cm) materials.
NOTE:
When
using enclosures
other
than recommended,
call
Technical
Support
for
correct
application.
Optimum
Vented
(Ported)
Enclosure Sizes
VENTED
ENCLOSURES
8
11
1011
12
11
15
11
P1
8481
Pl
S88
Pl
S41
01
Pl881
0
P1S412
1Pl8812
P1S415
1Pl8815
Vb-
Internal
Area
cu.
ft.
0.65
1.40
1.79
2.66
(Liter)
(18.41) (39.64)
(50.69) (75.32)
Fb-
Tuning
Frequency
(Hz)
42.7
37.3
36.3
34.4
F3-
-3dB
Point
(Hz)
36.8 32.6
34.4 33.9
H-
Height-inch
12.0 12.0 14.0
18.0
(cm)
(30.48) (30.48)
(35.56)
(45.72)
W-
Width-inch
18.0
20.0
25.0
28.0
(cm)
(45.72)
(50.80) (63.50)
(71.12)
D-
Depth-inch
8.0
14.0
12.0
12.0
(cm)
(20.32) (35.56) (30.48) (30.48)
P-
Port
Diameter
and
Length-inch
(1)
2 x 6
(1)
3 x 8
(1)
3 x 6
(1)
4 x 8
(cm)
(1)
(5.08
x
15.24)
(1)
(7.62
x
20.32)
(1)
(7.62
x
15.24)
(1)
(10.16
x
20.32)
Number
of
ports
noted
in
( )
Specifications
subject
to
change
without
notice
NOTE:
The
port
shown can be placed on any face of
the
enclosure
as
long
as
the
port
ends are
not
obstructed.
3