12″ / 305 mm
Nominal diameter
51 Hz
Resonance
0.34
Q factor
99 dB
Sensitivity
± 2.22 mm
Linear excursion
400 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
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Parts Express
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Specifications
Sensitivity (1w, 1m, infinite baffle)
SPL1W
98.8
dB
Frequency response
60 - 4200
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
51.0
Hz
Mechanical quality factor
QMS
7.74
Electrical quality factor
QES
0.35
Total quality factor
QTS
0.34
Large signal parameters
Maximum linear excursion
xmax
2.22
mm
Air volume displaced at xmax
VD
118
cm³
Power handling
P
200
W
Program power
Pmax
400
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
7.4
Ω
Inductance (1kHz)
LE
0.49
mH
VC Diameter
64
mm
Winding material
Edge wound aluminum
Magnet
Force factor
Bl
16.0
N/A
Motor constant
Bl/√RE
5.89
N/√W
Air gap height
HAG
9.5
mm
Weight
0.312
kg
Diaphragm
Effective diameter
260
mm
Effective area
SD
532
cm²
Moving mass
MMS
38
g
Moving mass (without air load)
MMD
29.4
g
Suspensions
Stiffness
KMS
3.85
N/mm
Compliance
CMS
260
µm/N
Equivalent volume to the compliance
VAS
102
L
Mechanical resistance
RMS
1.57
N·s/m
Dimensions
Nominal diameter
12
″
305
mm
Overall diameter
309
mm
Baffle cutout diameter
283
mm
Overall depth
127
mm
Volume occupied by the driver
1.81
L
Net weight
2.99
kg
Frame material
Pressed Steel
Similar woofers to Eminence LEGEND EM12N
12″Subwoofer
fS
50 Hz
SD
533 cm²
50 - 5000 Hz
QTS
0.36
xmax
4.9 mm
SPL1W
98 dB
Bl/√RE
6.07
Pmax
600 W
15″Subwoofer
fS
45 Hz
SD
908 cm²
45 - 1500 Hz
QTS
0.31
xmax
10.5 mm
SPL1W
98 dB
Bl/√RE
11
Pmax
1400 W
15″Subwoofer
fS
49 Hz
SD
880 cm²
50 - 4000 Hz
QTS
0.31
xmax
7.0 mm
SPL1W
97 dB
Bl/√RE
9.91
Pmax
1400 W