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 Enclosure
Volume
Range
SEALDED
ENCLOSURES
8" 10"
12" 15"
P2D2-81
P2D4-8
P2D2-10/P2D4-10
P2D2-12
1
P2D4-12
P2D2-15
1
P2D4-15
V
b
-
Internal
Area
cu.
ft.
0.23
0.59
1.02 1.58
(Liter)
(6.51)
(16.71)
(28.88)
(44.74)
F
3
-
-3dB
Point
(Hz)
64.4
45.3
42.6
35.8
Otc-
Enclosure
Damping
0.71
0.84 0.90
1.26
H-
Height-inch
10.0
12.0
14.0 18.0
(em)
(25.40) (30.48) (35.56)
(45.72)
W-
Width-inch
12.0 14.0
18.0
21.0
(em)
(30.48)
(35.56)
(45.72)
(53.34)
D-
Depth-inch
6.0
9.25
10.0
10.0
(em)
(15.24) (23.50) (25.40)
(25.40)
SEALDED
ENCLOSURES
8"
P2D2-81
P2D4-8
Vb-
Volume
Range
cu.
ft.
0.20
to
0.30
(Liter)
(5.66
to
8.50)
10"
P2D2-1O
/
P2D4-10
0.50
to
0.85
(14.16
to
24.07)
12" 15"
P2D2-121P2D4-12
P2D2-15
1
P2D4-15
0.70
to
1.80
1.30
to
3.50
(19.82
to
50.97)
(36.81
to
99.10)
VENTED
ENCLOSURES
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" 10" 12" 15"
P2D2-8/
P2D4-8
P2D2-10
1
P2D4-1O
P2D2-12
1
P2D4-12
P2D2-15
1
P2D4-15
V
b
-
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)
38.5
40.0
40.0
32.0
F
3
-
-3dB
Point
(Hz)
33.0 32.5
34.7
31.5
H-
Height-inch
12.0
12.0
14.0 18.0
(em)
(30.48)
(30.48) (35.56)
(45.72)
W-
Width-inch
18.0
20.0
25.0 28.0
(em)
(45.72)
(50.80)
(63.50) (71.12)
D-
Depth-inch
8.0
14.0
12.0
12.0
(em)
(20.32) (35.56) (30.48)
(30.48)
P-
Port
Diameter
and
Length-inch
(1)
2 x 8
(1)4x14 (1)4x10
(1)
4 x
10
(em)
(1)
(5.08
x
20.32)
(1)
(10.16
x
35.56)
(1)
(10.16
x
25.40)
(1)
(10.16
x
25.40)
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