Tech Specs Home > Speaker Specifications

The following charts give our recommended enclosure sizes for sealed and ported designs. The volume given is based on the internal volume of the enclosure. For more information on calculating internal volumes of your enclosure, please see our Calculating Internal Enclosure Volume section of this web site.

Quantum Audio Suggested Enclosures (Internal Volume)
Model
Sealed Box
F3
Ported Box
Tuning
Port Length
F3
QC10S4
.60 Cu. Ft.
53Hz
1.4 Cu. Ft.
40Hz
3" Dia. x 6.9"
32Hz
QC10D4
.60 Cu. Ft.
53Hz
1.4 Cu. Ft.
40Hz
3" Dia. x 6.9"
32Hz
QC12S4
1.0 Cu. Ft.
35Hz
2 Cu. Ft.
35Hz
4" Dia. x 12"
34Hz
QC12D4
1.0 Cu. Ft.
35Hz
2 Cu. Ft.
35Hz
4" Dia. x 12"
26Hz
QC15S4
2.0 Cu. Ft.
48Hz
3.4 Cu. Ft.
40Hz
2 Ports - 4" Dia. x 9.9"
34Hz
QC15D4
2.0 Cu. Ft.
46Hz
3.3 Cu. Ft.
40Hz
2 Ports - 4" Dia. x 9.9"
33Hz
 
 
 
 
 
 
 

 

Detailed Speaker Specifications
Model
FS
QTS
QMS
QES
VAS
(Cu. Ft.)
XMAX
(Inch)
RE
(Ohm)
PE
(Watt)
LE

 SENS
QC10S4
30
.38
6.61
.41
.74
.40
3.4
750/1500
 2.8
87
QC10D4

30

.46
5.57
.51
.80
.40
6.4
750/1500
 4.2
87
QC12S4
25
.53
7.66
.56
1.7
.55
3.4
750/1500
 3.2
87
QC12D4
25
.64
6.26
.72
1.5
.55
6.4
750/1500
 4.8
87
QC15S4
25
.44
7.11
.47
5.4
.79
3.6
1000/2000
 3.6
88
QC15D4
26
.49
6.57
.53
4.8
.79
6.4
1000/2000
 5.2
88