Radian 5312Neo

Coaxial

12″ / 381 mm
Nominal diameter
51 Hz
Resonance
0.2
Q factor
95 dB
Sensitivity
± 4.47 mm
Linear excursion
1400 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
94.6
dB
Frequency response
46 - 20000
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
51.0
Hz
Mechanical quality factor
QMS
2.40
Electrical quality factor
QES
0.22
Total quality factor
QTS
0.20

Large signal parameters

Maximum linear excursion
xmax
4.47
mm
Air volume displaced at xmax
VD
199
cm³
Power handling
P
700
W
Program power
Pmax
1400
W

Voice Coil

Nominal impedance
Z
8
Ω
DC resistance
RE
5.9
Ω
Inductance (1kHz, estimated)
LE
1.16
mH
VC Diameter
102
mm
Winding material
Aluminum

Magnet

Force factor
Bl
25.7
N/A
Motor constant
Bl/√RE
10.6
N/√W
Material
Neodymium

Diaphragm

Effective diameter
238
mm
Effective area
SD
445
cm²
Moving mass
MMS
77.3
g
Moving mass (without air load)
MMD
70.2
g
Material
Reinforced Paper

Suspensions

Stiffness
KMS
7.94
N/mm
Compliance
CMS
126
µm/N
Equivalent volume to the compliance
VAS
35.5
L
Mechanical resistance
RMS
10.3
N·s/m

Dimensions

Nominal diameter
12
381
mm
Overall diameter
308
mm
Baffle cutout diameter
279
mm
Overall depth
185
mm
Volume occupied by the driver (estimated)
3.3
L
Net weight
6.58
kg
Frame material
Cast Aluminum
Radian 5312Neo SPL
Radian 5312Neo Dimensions

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