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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
Goldwood GW-S650/8 Woofer
Goldwood  GW-S650/88 Ω
6.5″Woofer
fS
56 Hz
SD
140 cm²
35 - 5000 Hz
QTS
0.83
xmax
2.0 mm
SPL1W
85 dB
Bl/√RE
2.33
Pmax
170 W
Goldwood GW-S650/4 Woofer
Goldwood  GW-S650/44 Ω
6.5″Woofer
fS
55 Hz
SD
140 cm²
35 - 5000 Hz
QTS
0.71
xmax
2.0 mm
SPL1W
87 dB
Bl/√RE
2.4
Pmax
170 W
Goldwood GW-S525/8 Woofer
Goldwood  GW-S525/88 Ω
5.25″Woofer
fS
81 Hz
SD
82 cm²
40 - 6000 Hz
QTS
0.84
xmax
2.0 mm
SPL1W
85 dB
Bl/√RE
2.04
Pmax
130 W
Goldwood GW-S525/4 Woofer
Goldwood  GW-S525/44 Ω
5.25″Woofer
fS
73 Hz
SD
82 cm²
40 - 6000 Hz
QTS
0.88
xmax
2.0 mm
SPL1W
84 dB
Bl/√RE
2.05
Pmax
130 W
Goldwood GW-8PC/8 Subwoofer
Goldwood  GW-8PC/88 Ω
8″Subwoofer
fS
55 Hz
SD
206 cm²
25 - 2800 Hz
QTS
0.56
xmax
4.5 mm
SPL1W
88 dB
Bl/√RE
4.38
Pmax
330 W
Goldwood GW-8PC/4 Subwoofer
Goldwood  GW-8PC/44 Ω
8″Subwoofer
fS
44 Hz
SD
206 cm²
25 - 2800 Hz
QTS
0.45
xmax
4.5 mm
SPL1W
88 dB
Bl/√RE
4.54
Pmax
330 W
Goldwood GW-8028 Woofer
Goldwood  GW-80288 Ω
8″Woofer
fS
36 Hz
SD
218 cm²
25 - 6000 Hz
QTS
0.92
xmax
2.5 mm
SPL1W
85 dB
Bl/√RE
2.24
Pmax
190 W
Goldwood GW-8024 Woofer
Goldwood  GW-80244 Ω
8″Woofer
fS
44 Hz
SD
218 cm²
25 - 6000 Hz
QTS
0.73
xmax
2.5 mm
SPL1W
86 dB
Bl/√RE
2.92
Pmax
190 W
Goldwood GW-8003/8 Full-range
Goldwood  GW-8003/88 Ω
8″Full-range
fS
42 Hz
SD
214 cm²
28 - 20000 Hz
QTS
0.79
SPL1W
87 dB
Bl/√RE
2.32
Pmax
260 W
Goldwood GW-8002/8 Woofer
Goldwood  GW-8002/88 Ω
8″Woofer
fS
57 Hz
SD
210 cm²
45 - 6000 Hz
QTS
1.47
xmax
2.5 mm
SPL1W
89 dB
Bl/√RE
1.83
Pmax
130 W
Goldwood GW-6PC/8 Subwoofer
Goldwood  GW-6PC/88 Ω
6.5″Subwoofer
fS
59 Hz
SD
136 cm²
46 - 3000 Hz
QTS
0.46
xmax
4.0 mm
SPL1W
87 dB
Bl/√RE
4.3
Pmax
280 W
Goldwood GW-6PC/4 Subwoofer
Goldwood  GW-6PC/44 Ω
6.5″Subwoofer
fS
46 Hz
SD
136 cm²
46 - 3000 Hz
QTS
0.87
xmax
4.0 mm
SPL1W
78 dB
Bl/√RE
3.06
Pmax
280 W
Goldwood GW-6028 Woofer
Goldwood  GW-60288 Ω
6.5″Woofer
fS
58 Hz
SD
136 cm²
29 - 4800 Hz
QTS
0.90
xmax
2.5 mm
SPL1W
86 dB
Bl/√RE
2.26
Pmax
170 W
Goldwood GW-6024 Woofer
Goldwood  GW-60244 Ω
6.5″Woofer
fS
54 Hz
SD
136 cm²
29 - 4800 Hz
QTS
0.57
xmax
2.5 mm
SPL1W
86 dB
Bl/√RE
3.02
Pmax
170 W
Goldwood GW-5028/S Woofer
Goldwood  GW-5028/S8 Ω
5.25″Woofer
fS
80 Hz
SD
84 cm²
62 - 9000 Hz
QTS
0.90
xmax
1.8 mm
SPL1W
85 dB
Bl/√RE
1.99
Pmax
130 W
Goldwood GW-412D Woofer
Goldwood  GW-412D2 x 8 Ω
12″Woofer
fS
38 Hz
SD
526 cm²
33 - 2000 Hz
QTS
0.73
xmax
2.5 mm
SPL1W
92 dB
Bl/√RE
4.27
Pmax
260 W
Goldwood GW-410D Woofer
Goldwood  GW-410D2 x 4 Ω
10″Woofer
fS
40 Hz
SD
345 cm²
41 - 4000 Hz
QTS
0.61
SPL1W
89 dB
Bl/√RE
4.11
Pmax
220 W
Goldwood GW-408D Woofer
Goldwood  GW-408D2 x 8 Ω
8″Woofer
fS
51 Hz
SD
206 cm²
44 - 5000 Hz
QTS
0.64
xmax
2.5 mm
SPL1W
88 dB
Bl/√RE
3.45
Pmax
220 W
Goldwood GW-406D Woofer
Goldwood  GW-406D2 x 8 Ω
6.5″Woofer
fS
60 Hz
SD
136 cm²
59 - 6000 Hz
QTS
0.63
xmax
2.0 mm
SPL1W
88 dB
Bl/√RE
2.64
Pmax
90 W
Goldwood GW-4028/S Woofer
Goldwood  GW-4028/S8 Ω
4″Woofer
fS
83 Hz
SD
50 cm²
70 - 10000 Hz
QTS
0.70
xmax
1.8 mm
SPL1W
83 dB
Bl/√RE
1.8
Pmax
70 W
Goldwood GW-215/8 Woofer
Goldwood  GW-215/88 Ω
15″Woofer
fS
30 Hz
SD
823 cm²
22 - 3000 Hz
QTS
1.95
xmax
3.5 mm
SPL1W
93 dB
Bl/√RE
2.28
Pmax
250 W
Goldwood GW-215/40/8 Woofer
Goldwood  GW-215/40/88 Ω
15″Woofer
fS
31 Hz
SD
823 cm²
20 - 2500 Hz
QTS
1.09
xmax
3.5 mm
SPL1W
93 dB
Bl/√RE
3.71
Pmax
300 W
Goldwood GW-215/4 Woofer
Goldwood  GW-215/44 Ω
15″Woofer
fS
30 Hz
SD
823 cm²
22 - 3000 Hz
QTS
1.86
xmax
3.5 mm
SPL1W
92 dB
Bl/√RE
2.67
Pmax
250 W
Goldwood GW-212/8 Woofer
Goldwood  GW-212/88 Ω
12″Woofer
fS
39 Hz
SD
526 cm²
28 - 4000 Hz
QTS
1.44
xmax
2.5 mm
SPL1W
90 dB
Bl/√RE
2.82
Pmax
240 W
Goldwood GW-212/4 Woofer
Goldwood  GW-212/44 Ω
12″Woofer
fS
36 Hz
SD
519 cm²
28 - 4000 Hz
QTS
1.20
xmax
2.5 mm
SPL1W
91 dB
Bl/√RE
2.6
Pmax
240 W
Goldwood GW-210/8 Woofer
Goldwood  GW-210/88 Ω
10″Woofer
fS
41 Hz
SD
345 cm²
40 - 6200 Hz
QTS
1.19
SPL1W
88 dB
Bl/√RE
2.61
Pmax
220 W
Goldwood GW-210/4 Woofer
Goldwood  GW-210/44 Ω
10″Woofer
fS
42 Hz
SD
345 cm²
40 - 6200 Hz
QTS
1.07
SPL1W
89 dB
Bl/√RE
2.72
Pmax
220 W
Goldwood GW-208/8 Woofer
Goldwood  GW-208/88 Ω
8″Woofer
fS
56 Hz
SD
206 cm²
45 - 7000 Hz
QTS
0.86
xmax
2.5 mm
SPL1W
88 dB
Bl/√RE
2.6
Pmax
200 W
Goldwood GW-208/4 Woofer
Goldwood  GW-208/44 Ω
8″Woofer
fS
52 Hz
SD
206 cm²
45 - 7000 Hz
QTS
0.70
xmax
2.5 mm
SPL1W
87 dB
Bl/√RE
3.08
Pmax
200 W
Goldwood GW-206/8 Woofer
Goldwood  GW-206/88 Ω
6.5″Woofer
fS
65 Hz
SD
136 cm²
56 - 8000 Hz
QTS
0.75
xmax
2.5 mm
SPL1W
87 dB
Bl/√RE
2.44
Pmax
180 W
Goldwood GW-206/4 Woofer
Goldwood  GW-206/44 Ω
6.5″Woofer
fS
59 Hz
SD
136 cm²
56 - 8000 Hz
QTS
0.61
xmax
2.5 mm
SPL1W
87 dB
Bl/√RE
2.7
Pmax
180 W
Goldwood GW-205/8S Woofer
Goldwood  GW-205/8S8 Ω
5.25″Woofer
fS
86 Hz
SD
97 cm²
62 - 1200 Hz
QTS
0.82
xmax
2.0 mm
SPL1W
87 dB
Bl/√RE
2.11
Pmax
130 W
Goldwood GW-205/4S Woofer
Goldwood  GW-205/4S4 Ω
5.25″Woofer
fS
83 Hz
SD
97 cm²
62 - 1200 Hz
QTS
0.68
xmax
1.5 mm
SPL1W
87 dB
Bl/√RE
2.34
Pmax
130 W
Goldwood GW-204/8S Woofer
Goldwood  GW-204/8S8 Ω
4″Woofer
fS
137 Hz
SD
54 cm²
70 - 1300 Hz
QTS
1.56
xmax
1.5 mm
SPL1W
88 dB
Bl/√RE
1.44
Pmax
70 W
Goldwood GW-204/4S Woofer
Goldwood  GW-204/4S4 Ω
4″Woofer
fS
140 Hz
SD
54 cm²
70 - 1300 Hz
QTS
1.69
xmax
1.5 mm
SPL1W
88 dB
Bl/√RE
1.47
Pmax
70 W
Goldwood GW-1858 Subwoofer
Goldwood  GW-18588 Ω
18″Subwoofer
fS
30 Hz
SD
1277 cm²
20 - 6000 Hz
QTS
1.10
xmax
2.0 mm
SPL1W
93 dB
Bl/√RE
4.26
Pmax
340 W
Goldwood GW-15PC/8 Subwoofer
Goldwood  GW-15PC/88 Ω
15″Subwoofer
fS
33 Hz
SD
824 cm²
25 - 2100 Hz
QTS
0.47
xmax
6.0 mm
SPL1W
91 dB
Bl/√RE
7.58
Pmax
550 W
Goldwood GW-15PC/4 Subwoofer
Goldwood  GW-15PC/44 Ω
15″Subwoofer
fS
33 Hz
SD
824 cm²
25 - 2100 Hz
QTS
0.43
xmax
6.0 mm
SPL1W
91 dB
Bl/√RE
8.63
Pmax
550 W
Goldwood GW-1558 Subwoofer
Goldwood  GW-15588 Ω
15″Subwoofer
fS
31 Hz
SD
873 cm²
28 - 4400 Hz
QTS
0.63
xmax
2.0 mm
SPL1W
96 dB
Bl/√RE
4.26
Pmax
300 W