Radian 5215Neo
Coaxial
15″ / 380 mm
Nominal diameter
44 Hz
Resonance
0.23
Q factor
97 dB
Sensitivity
± 5.5 mm
Linear excursion
1400 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
97.0
dB
Frequency response
40 - 20000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
44.0
Hz
Mechanical quality factor
QMS
3.21
Electrical quality factor
QES
0.25
Total quality factor
QTS
0.23
Large signal parameters
Maximum linear excursion
xmax
5.5
mm
Air volume displaced at xmax
VD
484
cm³
Power handling
P
700
W
Program power
Pmax
1400
W
Voice Coil
Nominal impedance
Z
5
Ω
DC resistance
RE
6.3
Ω
Inductance (1kHz)
LE
1.4
mH
VC Diameter
102
mm
Winding height
HVC
16.5
mm
Winding material
Copper Clad Aluminum
Former material
Fiberglass
Magnet
Force factor
Bl
20.0
N/A
Motor constant
Bl/√RE
7.97
N/√W
Air gap height
HAG
10
mm
Material
Neodymium
Diaphragm
Effective diameter
335
mm
Effective area
SD
880
cm²
Moving mass
MMS
82
g
Moving mass (without air load)
MMD
64
g
Material
Paper/Kevlar composite
Suspensions
Stiffness
KMS
6.29
N/mm
Compliance
CMS
159
µm/N
Equivalent volume to the compliance
VAS
175
L
Mechanical resistance
RMS
7.06
N·s/m
Dimensions
Nominal diameter
15
″
380
mm
Overall diameter
388
mm
Baffle cutout diameter
356
mm
Overall depth
185
mm
Flange thickness
15
mm
Mounting depth
170
mm
Volume occupied by the driver (estimated)
3.9
L
Net weight
6.85
kg
Frame material
Cast Aluminum
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SpeakerbenchSimilar speaker drivers to Radian 5215Neo
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Radian 5215B8 Ω
15″Coaxial
fS
40 Hz
SD
880 cm²
40 - 18000 Hz
QTS
0.26
xmax
5.5 mm
SPL1W
97 dB
Bl/√RE
8.69
Pmax
1250 W
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15″Subwoofer
fS
40 Hz
SD
900 cm²
50 - 4800 Hz
QTS
0.26
xmax
4.0 mm
SPL1W
98 dB
Bl/√RE
8.53
Pmax
600 W
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18″Subwoofer
fS
37 Hz
SD
1134 cm²
37 - 3000 Hz
QTS
0.25
xmax
7.0 mm
SPL1W
98 dB
Bl/√RE
11
Pmax
2400 W