DB Audio Raptor Proffessional User Manual page 8

Xtinct Enclosure Design
12" Subwoofer (1)
Vb........... 0.9" Cubic Feet
Tun........36Hz F3 34Hz
Port ...... (x2) 3"Ø (Diameter) 26.29"
Length
Port Velocity........21.27%
Tb.........1.27 Cubic Feet
Material........18mm (0.709") MDF
(recommended 25mm (1.0") MDF)
Xtinct Enclosure Design
12" Subwoofer (2)
Vb..........1.5 Cubic Feet
Tun........33Hz F3 27Hz
Port .......4"Ø (Diameter) 14.63" Length
Port Velocity........21.79%
Tb.........1.76 Cubic Feet
Material........18mm (0.709") MDF
(recommended 25mm (1.0") MDF)
Xtinct Enclosure Design
15" Subwoofer
Vb..........1.1 Cubic Feet
Tun........30.4Hz F3 30Hz
Port .......(2x) 4"Ø (Diameter) 29.05" Length
Port Velocity........16.21%
Tb.........2.725 Cubic Feet
Material........18mm (0.709") MDF
(recommended 25mm (1.0") MDF)
14"
17"
14.5"
18"
16.5"
21"
(Note: If using the recommended
25mm (1") MDF, please add this
amount to the enclosure dimensions)
7
PROFFESIONAL
9"
16.12"
16.95"
10"
16.56"
20.76"
11"
19.29"
23.35"
These diagrams are for
illustration purposes only. All
dimensions are approximations.
Please refer to speaker size when
constructing enclosure.