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Brand
ATOHMAcoustic EleganceAudesAurum CantusB&C SpeakerBMSBRAXBeymaBlack HydraCT SoundsCelestionCerwin VegaCiareD.A.S. AudioDB DriveDayton AudioEASTECHESXETONEighteen SoundEminenceFaitalPROFaneFi Car AudioFocalFostexFountekGRSGoldwoodHELIXHertzJL AudioJensenKICKERKICXKartesianLaVoceLowtherMATCHMD LabMONACORMTX AudioMicro-PrecisionMorelObertonP.AudioPRV AudioPUNKTKILDEPeerlessPioneerPowerBassPrecision DevicesPrideRCFRadianReckhornRockford FosgateSB AcousticsSEASSICASUPRAVOXScan-SpeakSkar AudioTang BandVISATONVOLTWVLWavecoraccutonmivoc
Type
SubwooferWooferMid BassMid-rangeFull-rangeCoaxial2 Way2 Way Kit3 WayBass Guitar SpeakerGuitar SpeakerLow frequencyMiniatureShallow SubwooferShallow WooferShallow Mid-WooferTriaxial
Available on
Amazon.comParts Express
•
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
Focal  Sub P 30 FSE4 Ω
12″Shallow 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
Focal  Sub P 25 FSE4 Ω
10″Subwoofer
fS
30 Hz
SD
346 cm²
QTS
0.78
xmax
11.0 mm
SPL1W
81 dB
Bl/√RE
6.26
Pmax
560 W
Focal Sub P 25 FE Subwoofer
Focal  Sub P 25 FE4 Ω
10″Subwoofer
fS
31 Hz
SD
347 cm²
QTS
0.45
xmax
14.0 mm
SPL1W
85 dB
Bl/√RE
7.69
Pmax
600 W
Focal Sub P 20 FE Subwoofer
Focal  Sub P 20 FE4 Ω
8″Subwoofer
fS
39 Hz
SD
216 cm²
QTS
0.56
xmax
10.0 mm
SPL1W
83 dB
Bl/√RE
6.24
Pmax
500 W
Focal SUB 5 KM Subwoofer
Focal  SUB 5 KM4 Ω
5″Subwoofer
fS
65 Hz
SD
95 cm²
35 - 250 Hz
QTS
1.00
SPL1W
79 dB
Bl/√RE
4.04
Pmax
400 W
Focal SUB 30 KXE Subwoofer
Focal  SUB 30 KXE2 x 4 Ω
12″Subwoofer
fS
29 Hz
SD
502 cm²
25 - 500 Hz
QTS
0.46
xmax
22.5 mm
SPL1W
87 dB
Bl/√RE
8.42
Pmax
1600 W
Focal SUB 25 KXS Subwoofer
Focal  SUB 25 KXS4 Ω
10″Subwoofer
fS
35 Hz
SD
327 cm²
25 - 500 Hz
QTS
0.80
SPL1W
81 dB
Bl/√RE
6.43
Pmax
700 W
Focal SUB 25 KXE Subwoofer
Focal  SUB 25 KXE2 x 4 Ω
10″Subwoofer
fS
38 Hz
SD
327 cm²
25 - 500 Hz
QTS
0.52
xmax
22.5 mm
SPL1W
84 dB
Bl/√RE
8.5
Pmax
1200 W
Focal Sub 12 Subwoofer
Focal  Sub 124 Ω
12″Subwoofer
fS
24 Hz
SD
471 cm²
QTS
0.48
SPL1W
86 dB
Bl/√RE
6.93
Pmax
600 W
Focal Sub 10 WM Subwoofer
Focal  Sub 10 WM2 x 4 Ω
10″Subwoofer
fS
31 Hz
SD
327 cm²
25 - 800 Hz
QTS
0.65
xmax
17.0 mm
SPL1W
83 dB
Bl/√RE
6.43
Pmax
800 W
Focal Sub 10 Subwoofer
Focal  Sub 104 Ω
10″Subwoofer
fS
21 Hz
SD
314 cm²
QTS
0.53
SPL1W
81 dB
Bl/√RE
6.39
Pmax
500 W
Focal RSB 300 Subwoofer
Focal  RSB 3002 x 4 Ω
12″Subwoofer
fS
25 Hz
SD
471 cm²
30 - 500 Hz
QTS
0.47
SPL1W
87 dB
Bl/√RE
6.56
Pmax
600 W
Focal RSB 250 Subwoofer
Focal  RSB 2502 x 4 Ω
10″Subwoofer
fS
29 Hz
SD
307 cm²
35 - 500 Hz
QTS
0.59
SPL1W
84 dB
Bl/√RE
5.3
Pmax
500 W
Focal ES 165 KX3E 3 way kit
Focal  ES 165 KX3E4 Ω
6.5″3 way kit
fS
54 Hz
SD
129 cm²
45 - 22000 Hz
QTS
0.48
xmax
5.3 mm
SPL1W
87 dB
Bl/√RE
3.24
Pmax
240 W
Focal ES 165 KX2E 2 way kit
Focal  ES 165 KX2E2 Ω
6.5″2 way kit
fS
55 Hz
SD
129 cm²
55 - 22000 Hz
QTS
0.55
xmax
5.3 mm
SPL1W
87 dB
Bl/√RE
2.98
Pmax
240 W
Focal ES 165 KE 2 way kit
Focal  ES 165 KE4 Ω
6.5″2 way kit
fS
64 Hz
SD
129 cm²
60 - 22000 Hz
QTS
0.62
xmax
4.5 mm
SPL1W
88 dB
Bl/√RE
2.91
Pmax
200 W
Focal ES 165 K2S Woofer
Focal  ES 165 K2S2 Ω
6.5″Woofer
fS
60 Hz
SD
129 cm²
60 - 2000 Hz
QTS
0.58
SPL1W
87 dB
Bl/√RE
3.18
Pmax
140 W
Focal ES 165 K2E 2 way kit
Focal  ES 165 K2E2 Ω
6.5″2 way kit
fS
67 Hz
SD
129 cm²
60 - 22000 Hz
QTS
0.55
xmax
4.8 mm
SPL1W
89 dB
Bl/√RE
3.13
Pmax
200 W
Focal ES 100 KE 2 way kit
Focal  ES 100 KE4 Ω
4″2 way kit
fS
140 Hz
SD
54 cm²
110 - 22000 Hz
QTS
0.90
xmax
2.3 mm
SPL1W
87 dB
Bl/√RE
1.97
Pmax
120 W
Focal EC 165 KE 2 way
Focal  EC 165 KE4 Ω
6.5″2 way
fS
65 Hz
SD
129 cm²
60 - 22000 Hz
QTS
0.55
xmax
4.5 mm
SPL1W
88 dB
Bl/√RE
3.06
Pmax
160 W
Focal E 30 KX Subwoofer
Focal  E 30 KX2 x 4 Ω
12″Subwoofer
fS
29 Hz
SD
502 cm²
20 - 500 Hz
QTS
0.46
xmax
22.5 mm
SPL1W
87 dB
Bl/√RE
8.42
Pmax
1600 W
Focal E 25 KX Subwoofer
Focal  E 25 KX2 x 4 Ω
10″Subwoofer
fS
38 Hz
SD
327 cm²
25 - 500 Hz
QTS
0.52
xmax
22.5 mm
SPL1W
84 dB
Bl/√RE
8.5
Pmax
1200 W
Focal 8 WM Woofer
Focal  8 WM4 Ω
8″Woofer
fS
49 Hz
SD
216 cm²
45 - 50000 Hz
QTS
0.90
xmax
5.5 mm
SPL1W
88 dB
Bl/√RE
2.68
Pmax
200 W
Focal 6 WM Woofer
Focal  6 WM4 Ω
6.5″Woofer
fS
70 Hz
SD
133 cm²
60 - 6000 Hz
QTS
0.79
xmax
5.5 mm
SPL1W
87 dB
Bl/√RE
2.68
Pmax
200 W
Focal 6.5 KM Woofer
Focal  6.5 KM4 Ω
6.5″Woofer
fS
76 Hz
SD
128 cm²
50 - 5000 Hz
QTS
0.77
SPL1W
88 dB
Bl/√RE
2.89
Pmax
240 W
Focal 3 KM Mid-range
Focal  3 KM4 Ω
3″Mid-range
fS
170 Hz
SD
30 cm²
200 - 9000 Hz
QTS
0.65
SPL1W
86 dB
Bl/√RE
2.31
Pmax
120 W
Focal 30 A4 Subwoofer
Focal  30 A44 Ω
12″Subwoofer
fS
25 Hz
SD
511 cm²
32 - 500 Hz
QTS
0.67
xmax
8.5 mm
SPL1W
85 dB
Bl/√RE
5.96
Pmax
500 W
Focal 3.5 WM Mid-range
Focal  3.5 WM4 Ω
3.5″Mid-range
fS
105 Hz
SD
39 cm²
200 - 10000 Hz
QTS
0.58
xmax
2.5 mm
SPL1W
84 dB
Bl/√RE
1.7
Pmax
100 W
Focal 25 A4 Subwoofer
Focal  25 A44 Ω
10″Subwoofer
fS
24 Hz
SD
330 cm²
36 - 500 Hz
QTS
0.51
xmax
8.5 mm
SPL1W
83 dB
Bl/√RE
6.08
Pmax
400 W