12″ / 320 mm
Nominal diameter
55 Hz
Resonance
0.35
Q factor
96 dB
Sensitivity
± 4.5 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
95.6
dB
Thiele & Small parameters
Resonance frequency (free air)
fS
55.0
Hz
Mechanical quality factor
QMS
15.60
Electrical quality factor
QES
0.36
Total quality factor
QTS
0.35
Large signal parameters
Maximum linear excursion
xmax
4.5
mm
Maximum excursion before damage
xlim
20.0
mm
Air volume displaced at xmax
VD
239
cm³
Power handling
P
300
W
Program power
Pmax
600
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
5.7
Ω
Inductance (1kHz)
LE
0.85
mH
VC Diameter
64
mm
Winding height
HVC
13
mm
Former material
Glass Fiber
Magnet
Force factor
Bl
17.6
N/A
Motor constant
Bl/√RE
7.37
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
6.76
N/mm
Compliance
CMS
148
µm/N
Equivalent volume to the compliance
VAS
58
L
Mechanical resistance
RMS
1.26
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
55 Hz
SD
540 cm²
50 - 20000 Hz
QTS
0.37
xmax
9.3 mm
SPL1W
96 dB
Bl/√RE
7.35
Pmax
800 W
12″Low frequency
fS
55 Hz
SD
552 cm²
45 - 3000 Hz
QTS
0.34
xmax
3.9 mm
SPL1W
97 dB
Bl/√RE
7.27
Pmax
600 W
12″Subwoofer
fS
57 Hz
SD
550 cm²
65 - 5000 Hz
QTS
0.36
xmax
8.0 mm
SPL1W
96 dB
Bl/√RE
7.44
Pmax
1000 W