Ciare 12.75W1

Woofer

12″ / 320 mm
Nominal diameter
49 Hz
Resonance
0.33
Q factor
95 dB
Sensitivity
± 6 mm
Linear excursion
700 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
Discard
Apply
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
Ciare 12.75W1 Impedance
Ciare 12.75W1 SPL
Ciare 12.75W1 Dimensions

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