Radian 2216
Subwoofer
15″ / 387 mm
Nominal diameter
39 Hz
Resonance
0.37
Q factor
95 dB
Sensitivity
± 4.75 mm
Linear excursion
1500 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
95.1
dB
Frequency response
34 - 3500
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
38.7
Hz
Mechanical quality factor
QMS
2.95
Electrical quality factor
QES
0.43
Total quality factor
QTS
0.37
Large signal parameters
Maximum linear excursion
xmax
4.75
mm
Air volume displaced at xmax
VD
395
cm³
Power handling
P
750
W
Program power
Pmax
1500
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
6.2
Ω
Inductance (1kHz, estimated)
LE
1.34
mH
VC Diameter
102
mm
Winding material
Edgewood Aluminum
Magnet
Force factor
Bl
17.8
N/A
Motor constant
Bl/√RE
7.15
N/√W
Material
Ferrite
Diaphragm
Effective diameter
325
mm
Effective area
SD
832
cm²
Moving mass
MMS
90.4
g
Moving mass (without air load)
MMD
73.5
g
Material
Kevlar Reinforced Paper
Suspensions
Stiffness
KMS
5.35
N/mm
Compliance
CMS
187
µm/N
Equivalent volume to the compliance
VAS
184
L
Mechanical resistance
RMS
7.45
N·s/m
Dimensions
Nominal diameter
15
″
387
mm
Overall diameter
387
mm
Baffle cutout diameter
355
mm
Overall depth
156
mm
Volume occupied by the driver (estimated)
4.9
L
Net weight
11.36
kg
Frame material
Cast Aluminum
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SD
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