Ciare HW321
Woofer
12″ / 320 mm
Nominal diameter
27 Hz
Resonance
0.33
Q factor
92 dB
Sensitivity
± 7.3 mm
Linear excursion
400 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
91.9
dB
Thiele & Small parameters
Resonance frequency (free air)
fS
27.0
Hz
Mechanical quality factor
QMS
3.04
Electrical quality factor
QES
0.37
Total quality factor
QTS
0.33
Large signal parameters
Maximum linear excursion
xmax
7.3
mm
Air volume displaced at xmax
VD
399
cm³
Power handling
P
150
W
Program power
Pmax
400
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
5.7
Ω
Inductance (1kHz)
LE
0.9
mH
VC Diameter
50
mm
Winding height
HVC
18.5
mm
Former material
Aluminum
Magnet
Force factor
Bl
13.17
N/A
Motor constant
Bl/√RE
5.52
N/√W
Air gap height
HAG
8
mm
Diaphragm
Effective diameter
260
mm
Effective area
SD
547
cm²
Moving mass
MMS
67
g
Moving mass (without air load)
MMD
58
g
Material
Treated Cellulose
Suspensions
Stiffness
KMS
1.92
N/mm
Compliance
CMS
520
µm/N
Equivalent volume to the compliance
VAS
205
L
Mechanical resistance
RMS
3.74
N·s/m
Surround material
Rubber
Dimensions
Nominal diameter
12
″
320
mm
Overall diameter
315
mm
Baffle cutout diameter
282
mm
Overall depth
139
mm
Flange thickness
14
mm
Mounting depth
125
mm
Volume occupied by the driver (estimated)
2.3
L
Net weight
4.9
kg
Frame material
Aluminium
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SpeakerbenchSimilar woofers to Ciare HW321
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12″Woofer
fS
30 Hz
SD
495 cm²
30 - 4000 Hz
QTS
0.31
xmax
2.5 mm
SPL1W
93 dB
Bl/√RE
4.59
Pmax
200 W
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MONACOR SPH-390TC2 x 8 Ω
15″Subwoofer
fS
23 Hz
SD
850 cm²
23 - 1500 Hz
QTS
0.26
xmax
7.0 mm
SPL1W
93 dB
Bl/√RE
9.65
Pmax
600 W