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Brand
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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 EC 165 KE 2 way

Focal EC 165 KE

4 Ω
6.5″ 2 way
fS65 Hz
SD129 cm²
60 - 22000 Hz
QTS0.55
xmax4.5 mm
SPL1W88.3 dB
Bl/√RE3.06
Pmax160 W
HELIX CB C87.2-S3 2 way

HELIX CB C87.2-S3

3 Ω
3.5″ 2 way
fS92 Hz
SD36 cm²
110 - 22000 Hz
QTS0.62
xmax2.2 mm
SPL1W83.9 dB
Bl/√RE1.67
Pmax60 W
HELIX CB C690.2-S3 2 way

HELIX CB C690.2-S3

3 Ω
6 x 9″ 2 way
fS56 Hz
SD205 cm²
50 - 22000 Hz
QTS0.54
xmax2 mm
SPL1W89.7 dB
Bl/√RE3.24
Pmax150 W
HELIX CB C570.2-S3 2 way

HELIX CB C570.2-S3

3 Ω
5 x 7″ 2 way
fS67 Hz
SD149 cm²
60 - 22000 Hz
QTS0.81
xmax2.5 mm
SPL1W87.4 dB
Bl/√RE2.42
Pmax105 W
HELIX CB C460.2-S3 2 way

HELIX CB C460.2-S3

3 Ω
4 x 6″ 2 way
fS120 Hz
SD77 cm²
90 - 22000 Hz
QTS0.96
xmax2.5 mm
SPL1W86.9 dB
Bl/√RE2.39
Pmax75 W
HELIX CB C165.2-S3 2 way

HELIX CB C165.2-S3

3 Ω
6.5″ 2 way
fS65 Hz
SD139 cm²
60 - 22000 Hz
QTS0.78
xmax2.5 mm
SPL1W87.7 dB
Bl/√RE2.37
Pmax120 W
HELIX CB C130.2-S3 2 way

HELIX CB C130.2-S3

3 Ω
5″ 2 way
fS92 Hz
SD97 cm²
80 - 22000 Hz
QTS0.92
xmax2.5 mm
SPL1W86.9 dB
Bl/√RE2.19
Pmax105 W
HELIX CB C100.2-S3 2 way

HELIX CB C100.2-S3

3 Ω
4″ 2 way
fS113 Hz
SD45 cm²
100 - 22000 Hz
QTS0.87
xmax2.5 mm
SPL1W82.9 dB
Bl/√RE2.25
Pmax90 W