12″ / 320 mm
Nominal diameter
56 Hz
Resonance
0.3
Q factor
96 dB
Sensitivity
± 4.3 mm
Linear excursion
600 W
Program Power
Driver
Port
Combined
Frequency response
Hz
Impedance
Ω
Impedance Phase
°
Excursion
mm
Velocity
m/s
SPL
dB
Acoustical Phase
°
Group Delay
ms
Transient response
ms
Sensitivity (1w, 1m, infinite baffle)
SPL1W
96.3
dB
Frequency response
50 - 3000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
56.0
Hz
Mechanical quality factor
QMS
7.60
Electrical quality factor
QES
0.31
Total quality factor
QTS
0.30
Large signal parameters
Maximum linear excursion
xmax
4.3
mm
Maximum excursion before damage
xlim
30.0
mm
Air volume displaced at xmax
VD
228
cm³
Power handling
P
300
W
Program power
Pmax
600
W
Voice Coil
Nominal impedance
Z
4
Ω
DC resistance
RE
2.9
Ω
Inductance (1kHz)
LE
0.52
mH
VC Diameter
64
mm
Winding height
HVC
12.5
mm
Former material
Glass Fiber
Magnet
Force factor
Bl
13.7
N/A
Motor constant
Bl/√RE
8.04
N/√W
Air gap height
HAG
8
mm
Diaphragm
Effective diameter
260
mm
Effective area
SD
531
cm²
Moving mass
MMS
57
g
Moving mass (without air load)
MMD
48.3
g
Suspensions
Stiffness
KMS
7.04
N/mm
Compliance
CMS
142
µm/N
Equivalent volume to the compliance
VAS
57
L
Mechanical resistance
RMS
2.64
N·s/m
Surround material
M-Roll - Polycotton
Dimensions
Nominal diameter
12
″
320
mm
Overall diameter
313
mm
Baffle cutout diameter
282
mm
Overall depth
136
mm
Flange thickness
9
mm
Mounting depth
127
mm
Volume occupied by the driver (estimated)
2.0
L
Net weight
4.2
kg
Similar woofers to Ciare PWA12.64
12″Coaxial
fS
57 Hz
SD
531 cm²
60 - 4000 Hz
QTS
0.30
xmax
6.9 mm
SPL1W
97 dB
Bl/√RE
7.86
Pmax
900 W
12″Coaxial
fS
57 Hz
SD
531 cm²
60 - 4000 Hz
QTS
0.30
xmax
6.9 mm
SPL1W
97 dB
Bl/√RE
7.86
Pmax
900 W
12″Coaxial
fS
57 Hz
SD
531 cm²
60 - 4000 Hz
QTS
0.30
xmax
6.9 mm
SPL1W
97 dB
Bl/√RE
7.86
Pmax
900 W