12″ / 320 mm
Nominal diameter
53 Hz
Resonance
0.3
Q factor
95 dB
Sensitivity
± 5.8 mm
Linear excursion
900 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
94.9
dB
Frequency response
50 - 3000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
53.0
Hz
Mechanical quality factor
QMS
4.10
Electrical quality factor
QES
0.32
Total quality factor
QTS
0.30
Large signal parameters
Maximum linear excursion
xmax
5.8
mm
Maximum excursion before damage
xlim
30.0
mm
Air volume displaced at xmax
VD
308
cm³
Power handling
P
450
W
Program power
Pmax
900
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
5.4
Ω
Inductance (1kHz)
LE
1.06
mH
VC Diameter
75
mm
Winding height
HVC
16.5
mm
Former material
Glass Fiber
Magnet
Force factor
Bl
19.6
N/A
Motor constant
Bl/√RE
8.43
N/√W
Air gap height
HAG
10
mm
Diaphragm
Effective diameter
260
mm
Effective area
SD
531
cm²
Moving mass
MMS
70
g
Moving mass (without air load)
MMD
61.3
g
Suspensions
Stiffness
KMS
7.58
N/mm
Compliance
CMS
132
µm/N
Equivalent volume to the compliance
VAS
52
L
Mechanical resistance
RMS
5.69
N·s/m
Surround material
Triple 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 PWA12.75
12″Woofer
fS
53 Hz
SD
531 cm²
50 - 3000 Hz
QTS
0.33
xmax
8.0 mm
SPL1W
95 dB
Bl/√RE
8.63
Pmax
1400 W
12″Subwoofer
fS
54 Hz
SD
531 cm²
50 - 3500 Hz
QTS
0.34
xmax
8.3 mm
SPL1W
95 dB
Bl/√RE
8.59
Pmax
1600 W
12″Low frequency
fS
48 Hz
SD
540 cm²
40 - 2000 Hz
QTS
0.27
xmax
6.0 mm
SPL1W
95 dB
Bl/√RE
9.02
Pmax
1400 W