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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
GRS 10PF-8 Woofer

GRS 10PF-8

8 Ω
10″ Woofer
fS45 Hz
SD345 cm²
40 - 5000 Hz
QTS1.21
xmax3 mm
SPL1W89.4 dB
Bl/√RE2.53
Pmax220 W
GRS 10PR-8 Woofer

GRS 10PR-8

8 Ω
10″ Woofer
fS40 Hz
SD345 cm²
35 - 3000 Hz
QTS0.97
xmax3 mm
SPL1W87.3 dB
Bl/√RE2.96
Pmax160 W
GRS 10PT-8 Woofer

GRS 10PT-8

8 Ω
10″ Woofer
fS47 Hz
SD348 cm²
40 - 7000 Hz
QTS0.48
xmax6.8 mm
SPL1W91.3 dB
Bl/√RE5.03
Pmax400 W
GRS 10SFPC-B Woofer

GRS 10SFPC-B

8 Ω
10″ Woofer
fS35.5 Hz
SD356 cm²
29 - 4000 Hz
QTS0.66
xmax4.3 mm
SPL1W88.5 dB
Bl/√RE3.2
Pmax150 W
GRS 10SFPC-W Woofer

GRS 10SFPC-W

8 Ω
10″ Woofer
fS34.1 Hz
SD356 cm²
30 - 4000 Hz
QTS0.69
xmax4.3 mm
SPL1W87.2 dB
Bl/√RE3.33
Pmax150 W
GRS 10SMP-4 Woofer

GRS 10SMP-4

4 Ω
10″ Woofer
fS28 Hz
SD340 cm²
24 - 2000 Hz
QTS0.51
xmax5 mm
SPL1W86.3 dB
Bl/√RE4.21
Pmax140 W
GRS 10SMP-8 Woofer

GRS 10SMP-8

8 Ω
10″ Woofer
fS29 Hz
SD340 cm²
24 - 2000 Hz
QTS0.58
xmax5 mm
SPL1W85.9 dB
Bl/√RE3.89
Pmax140 W
GRS 12PF-8 Woofer

GRS 12PF-8

8 Ω
12″ Woofer
fS38 Hz
SD524 cm²
35 - 5000 Hz
QTS1.93
xmax3.5 mm
SPL1W90.6 dB
Bl/√RE2.32
Pmax240 W
GRS 12PR-8 Woofer

GRS 12PR-8

8 Ω
12″ Woofer
fS30 Hz
SD524 cm²
30 - 3000 Hz
QTS1.06
xmax3.5 mm
SPL1W85.8 dB
Bl/√RE3.43
Pmax200 W
GRS 12PT-8 Woofer

GRS 12PT-8

8 Ω
12″ Woofer
fS35 Hz
SD531 cm²
35 - 7000 Hz
QTS0.39
xmax6.8 mm
SPL1W92.2 dB
Bl/√RE6.31
Pmax700 W
GRS 12SFPC-B Woofer

GRS 12SFPC-B

8 Ω
12″ Woofer
fS36 Hz
SD500 cm²
35 - 3000 Hz
QTS0.83
xmax4.3 mm
SPL1W91.4 dB
Bl/√RE3.01
Pmax160 W
GRS 12SFPC-W Woofer

GRS 12SFPC-W

8 Ω
12″ Woofer
fS31.2 Hz
SD491 cm²
25 - 4000 Hz
QTS0.70
xmax4.3 mm
SPL1W88.7 dB
Bl/√RE3.57
Pmax160 W
GRS 12SMP-4 Woofer

GRS 12SMP-4

4 Ω
12″ Woofer
fS28 Hz
SD516 cm²
20 - 1500 Hz
QTS0.51
xmax5.5 mm
SPL1W88.3 dB
Bl/√RE5.16
Pmax180 W
GRS 12SMP-8 Woofer

GRS 12SMP-8

8 Ω
12″ Woofer
fS28 Hz
SD516 cm²
20 - 1500 Hz
QTS0.56
xmax5.5 mm
SPL1W87.7 dB
Bl/√RE4.98
Pmax180 W
GRS 15PF-8 Woofer

GRS 15PF-8

8 Ω
15″ Woofer
fS30 Hz
SD826 cm²
25 - 4000 Hz
QTS1.43
xmax4 mm
SPL1W90.2 dB
Bl/√RE3.44
Pmax300 W
GRS 15PT-8 Woofer

GRS 15PT-8

8 Ω
15″ Woofer
fS28 Hz
SD830 cm²
30 - 6000 Hz
QTS0.41
xmax6.8 mm
SPL1W92 dB
Bl/√RE7.43
Pmax700 W
GRS 18PT-8 Woofer

GRS 18PT-8

8 Ω
18″ Woofer
fS23 Hz
SD1234 cm²
25 - 4000 Hz
QTS0.54
xmax6.8 mm
SPL1W91.3 dB
Bl/√RE7.42
Pmax700 W
GRS 4PF-8 Woofer

GRS 4PF-8

8 Ω
4″ Woofer
fS137 Hz
SD55.2 cm²
100 - 10000 Hz
QTS1.94
xmax1.5 mm
SPL1W88.1 dB
Bl/√RE1.19
Pmax80 W
GRS 4SMP-4 Woofer

GRS 4SMP-4

4 Ω
4″ Woofer
fS58 Hz
SD54 cm²
50 - 6000 Hz
QTS0.55
xmax4 mm
SPL1W82.4 dB
Bl/√RE2.03
Pmax60 W
GRS 4SMP-8 Woofer

GRS 4SMP-8

8 Ω
4″ Woofer
fS63 Hz
SD54 cm²
50 - 6000 Hz
QTS0.65
xmax4 mm
SPL1W82.7 dB
Bl/√RE1.79
Pmax60 W
GRS 5PF-8 Woofer

GRS 5PF-8

8 Ω
5.25″ Woofer
fS162 Hz
SD75.2 cm²
90 - 8000 Hz
QTS2.04
xmax2.5 mm
SPL1W90.5 dB
Bl/√RE1.41
Pmax180 W
GRS 5SMP-4 Woofer

GRS 5SMP-4

4 Ω
5.25″ Woofer
fS62 Hz
SD80 cm²
50 - 2500 Hz
QTS0.54
xmax2 mm
SPL1W85.3 dB
Bl/√RE2.55
Pmax70 W
GRS 5SMP-8 Woofer

GRS 5SMP-8

8 Ω
5.25″ Woofer
fS55 Hz
SD80 cm²
50 - 2500 Hz
QTS0.44
xmax2 mm
SPL1W85 dB
Bl/√RE2.86
Pmax70 W
GRS 6PF-8 Woofer

GRS 6PF-8

8 Ω
6.5″ Woofer
fS73 Hz
SD140 cm²
70 - 8000 Hz
QTS0.79
xmax3 mm
SPL1W88.6 dB
Bl/√RE2.44
Pmax180 W
GRS 6PR-8 Woofer

GRS 6PR-8

8 Ω
6.5″ Woofer
fS69 Hz
SD140 cm²
60 - 8000 Hz
QTS0.87
xmax3 mm
SPL1W87.1 dB
Bl/√RE2.29
Pmax120 W
GRS 6PT-8 Woofer

GRS 6PT-8

8 Ω
6.5″ Woofer
fS94 Hz
SD137 cm²
55 - 11000 Hz
QTS0.72
xmax4.2 mm
SPL1W91.4 dB
Bl/√RE2.35
Pmax200 W
GRS 6SMP-4 Woofer

GRS 6SMP-4

4 Ω
6.5″ Woofer
fS45 Hz
SD136 cm²
40 - 2500 Hz
QTS0.39
xmax5 mm
SPL1W86.7 dB
Bl/√RE3.64
Pmax100 W
GRS 6SMP-8 Woofer

GRS 6SMP-8

8 Ω
6.5″ Woofer
fS47 Hz
SD136 cm²
40 - 2500 Hz
QTS0.45
xmax5 mm
SPL1W86.1 dB
Bl/√RE3.39
Pmax100 W
GRS 8PF-8 Woofer

GRS 8PF-8

8 Ω
8″ Woofer
fS50 Hz
SD215 cm²
55 - 6000 Hz
QTS0.98
xmax3 mm
SPL1W87.5 dB
Bl/√RE2.42
Pmax200 W
GRS 8PR-8 Woofer

GRS 8PR-8

8 Ω
8″ Woofer
fS55 Hz
SD210 cm²
40 - 5000 Hz
QTS0.97
xmax3 mm
SPL1W87.4 dB
Bl/√RE2.54
Pmax130 W
GRS 8PT-8 Woofer

GRS 8PT-8

8 Ω
8″ Woofer
fS59 Hz
SD213 cm²
55 - 9000 Hz
QTS0.55
xmax7 mm
SPL1W90.2 dB
Bl/√RE3.83
Pmax300 W
GRS 8SMP-4 Woofer

GRS 8SMP-4

4 Ω
8″ Woofer
fS38 Hz
SD211 cm²
30 - 1500 Hz
QTS0.39
xmax5.5 mm
SPL1W88.2 dB
Bl/√RE3.88
Pmax120 W
GRS 8SMP-8 Woofer

GRS 8SMP-8

8 Ω
8″ Woofer
fS41 Hz
SD211 cm²
30 - 1500 Hz
QTS0.46
xmax5.5 mm
SPL1W87.7 dB
Bl/√RE3.72
Pmax120 W
GRS A25-10 Woofer

GRS A25-10

8 Ω
10″ Woofer
fS30 Hz
SD346 cm²
30 - 4500 Hz
QTS0.37
xmax4.5 mm
SPL1W89.2 dB
Bl/√RE4.67
Pmax140 W
GRS K-33-4 Woofer

GRS K-33-4

4 Ω
15″ Woofer
fS32.2 Hz
SD855 cm²
30 - 2000 Hz
QTS0.52
xmax8.3 mm
SPL1W93.3 dB
Bl/√RE5.83
Pmax400 W
GRS RSRMO-8 Woofer

GRS RSRMO-8

8 Ω
15″ Woofer
fS27.6 Hz
SD778 cm²
22 - 1200 Hz
QTS0.72
xmax2.3 mm
SPL1W89.9 dB
Bl/√RE4.71
Pmax250 W
Focal C 165 SF 2 Way

Focal C 165 SF

4 Ω
6.5″ 2 Way
fS67 Hz
SD132 cm²
60 - 21000 Hz
QTS0.58
xmax4 mm
SPL1W89.4 dB
Bl/√RE2.87
Pmax160 W
Focal 165 SF Woofer

Focal 165 SF

4 Ω
6.5″ Woofer
fS66.8 Hz
SD132 cm²
60 - 2000 Hz
QTS0.60
xmax4 mm
SPL1W89 dB
Bl/√RE2.92
Pmax160 W
Focal 200 SF Woofer

Focal 200 SF

4 Ω
8″ Woofer
fS46 Hz
SD201 cm²
50 - 1000 Hz
QTS0.55
xmax4 mm
SPL1W91 dB
Bl/√RE2.74
Pmax160 W
Dayton Audio PCS115-4 Woofer

Dayton Audio PCS115-4

4 Ω
4″ Woofer
fS88 Hz
SD51.5 cm²
60 - 5000 Hz
QTS0.79
xmax2.8 mm
SPL1W83.5 dB
Bl/√RE1.9
Pmax40 W