12″ / 300 mm
Nominal diameter
45 Hz
Resonance
0.52
Q factor
94 dB
Sensitivity
± 7.27 mm
Linear excursion
600 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
94.0
dB
Frequency response
45 - 5000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
45.0
Hz
Mechanical quality factor
QMS
7.60
Electrical quality factor
QES
0.56
Total quality factor
QTS
0.52
Large signal parameters
Maximum linear excursion
xmax
7.27
mm
Maximum excursion before damage
xlim
17.0
mm
Air volume displaced at xmax
VD
392
cm³
Power handling
P
300
W
Program power
Pmax
600
W
Voice Coil
Nominal impedance
Z
16
Ω
DC resistance
RE
11.3
Ω
Inductance (1kHz)
LE
0.96
mH
VC Diameter
65
mm
Winding height
HVC
17.2
mm
Winding material
Aluminium
Former material
Glass Fiber
Magnet
Flux density
B
1.2
T
Force factor
Bl
17.3
N/A
Motor constant
Bl/√RE
5.15
N/√W
Air gap height
HAG
8
mm
Material
Neodymium Slug
Diaphragm
Effective diameter
262
mm
Effective area
SD
539
cm²
Moving mass
MMS
52.5
g
Moving mass (without air load)
MMD
43.6
g
Suspensions
Stiffness
KMS
4.17
N/mm
Compliance
CMS
240
µm/N
Equivalent volume to the compliance
VAS
96.7
L
Mechanical resistance
RMS
1.9
N·s/m
Dimensions
Nominal diameter
12
″
300
mm
Overall diameter
316
mm
Baffle cutout diameter
282
mm
Overall depth
120
mm
Flange thickness
12
mm
Mounting depth
108
mm
Volume occupied by the driver
1.9
L
Net weight
2.75
kg
Frame material
Aluminium
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SD
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SD
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