8 results
Nominal diameter
SensitivitySPL1W
dB

Thiele & Small parameters

Resonance frequencyfS
Hz
Mechanical quality factorQMS
Electrical quality factorQES
Total quality factorQTS

Large signal parameters

Maximum linear excursionxmax
mm
Air volume displaced at xmaxVD
cm³
Program powerPmax
W

Voice Coil & Magnet

Nominal impedanceZ
Ω
DC resistanceRE
Ω
Force factorBl
N/A
Motor constantBl/√RE
N/√W
InductanceLE
mH
VC Diameter
mm

Diaphragm

Effective diameter
mm
Effective areaSD
cm²
Moving massMMS
g

Suspensions

StiffnessKMS
N/mm
ComplianceCMS
µm/N
Equivalent volume to CMSVAS
L
Mechanical resistanceRMS
N·s/m

Dimensions

Overall size
mm
Baffle cutout diameter
mm
Overall depth
mm
Mounting depth
mm
Volume occupied
L
Net weight
kg
Focal Sub P 30 FSE Shallow subwoofer
12Shallow subwoofer
fS
30 Hz
SD
510 cm²
QTS
1.10
xmax
11.0 mm
SPL1W
84 dB
Bl/√RE
5.7
Pmax
600 W
Focal Sub P 25 FSE Subwoofer
10Subwoofer
fS
30 Hz
SD
346 cm²
QTS
0.78
xmax
11.0 mm
SPL1W
81 dB
Bl/√RE
6.26
Pmax
560 W
HELIX IK S8 Shallow subwoofer
8Shallow subwoofer
fS
43 Hz
SD
222 cm²
QTS
0.51
xmax
6.0 mm
SPL1W
84 dB
Bl/√RE
6.27
Pmax
600 W
HELIX IK S12 Shallow subwoofer
12Shallow subwoofer
fS
36 Hz
SD
523 cm²
QTS
0.48
xmax
8.0 mm
SPL1W
87 dB
Bl/√RE
9.77
Pmax
600 W
HELIX IK S10-SVC2 Shallow subwoofer
10Shallow subwoofer
fS
37 Hz
SD
353 cm²
QTS
0.51
xmax
6.0 mm
SPL1W
86 dB
Bl/√RE
7.14
Pmax
600 W