12″ / 320 mm
Nominal diameter
49 Hz
Resonance
0.33
Q factor
95 dB
Sensitivity
± 6 mm
Linear excursion
700 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
95.1
dB
Frequency response
45 - 2000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
49.0
Hz
Mechanical quality factor
QMS
15.00
Electrical quality factor
QES
0.34
Total quality factor
QTS
0.33
Large signal parameters
Maximum linear excursion
xmax
6.0
mm
Air volume displaced at xmax
VD
326
cm³
Power handling
P
350
W
Program power
Pmax
700
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
5.9
Ω
Inductance (1kHz)
LE
1.6
mH
VC Diameter
75
mm
Winding height
HVC
17
mm
Winding material
Copper
Former material
Kapton
Magnet
Force factor
Bl
18.9
N/A
Motor constant
Bl/√RE
7.78
N/√W
Air gap height
HAG
10
mm
Material
Ferrite
Diaphragm
Effective diameter
263
mm
Effective area
SD
543
cm²
Moving mass
MMS
65
g
Moving mass (without air load)
MMD
56
g
Material
Treated Cellulose
Suspensions
Stiffness
KMS
6.33
N/mm
Compliance
CMS
158
µm/N
Equivalent volume to the compliance
VAS
67
L
Mechanical resistance
RMS
1.33
N·s/m
Surround material
Doped fabric
Spider material
Nomex Fabric
Dimensions
Nominal diameter
12
″
320
mm
Overall diameter
315
mm
Baffle cutout diameter
282
mm
Overall depth
146
mm
Flange thickness
13
mm
Mounting depth
133
mm
Volume occupied by the driver (estimated)
3.1
L
Net weight
7.4
kg
Frame material
Diecast Aluminium
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SpeakerbenchSimilar woofers to Ciare 12.75W1
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12″Mid-range
fS
48 Hz
SD
530 cm²
45 - 4000 Hz
QTS
0.34
xmax
6.0 mm
SPL1W
96 dB
Bl/√RE
7.46
Pmax
1100 W
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12″Low frequency
fS
50 Hz
SD
531 cm²
48 - 3700 Hz
QTS
0.30
xmax
6.5 mm
SPL1W
96 dB
Bl/√RE
7.38
Pmax
600 W
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15″Subwoofer
fS
45 Hz
SD
855 cm²
45 - 2000 Hz
QTS
0.30
xmax
8.0 mm
SPL1W
95 dB
Bl/√RE
12
Pmax
2000 W