Eminence LEGEND 1275
Guitar Speaker
12″ / 305 mm
Nominal diameter
111 Hz
Resonance
1.02
Q factor
99 dB
Sensitivity
± 0.47 mm
Linear excursion
150 W
Program Power
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Specifications
Sensitivity (1w, 1m, infinite baffle)
SPL1W
99.0
dB
Frequency response
80 - 5100
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
111
Hz
Mechanical quality factor
QMS
15.07
Electrical quality factor
QES
1.09
Total quality factor
QTS
1.02
Large signal parameters
Maximum linear excursion
xmax
0.47
mm
Air volume displaced at xmax
VD
26
cm³
Power handling
P
75
W
Program power
Pmax
150
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
7.4
Ω
Inductance (1kHz)
LE
0.55
mH
VC Diameter
38
mm
Winding material
Copper
Former material
Polyimide
Magnet
Force factor
Bl
11.95
N/A
Motor constant
Bl/√RE
4.4
N/√W
Air gap height
HAG
8
mm
Weight
0.964
kg
Material
Ferrite
Diaphragm
Effective diameter
265
mm
Effective area
SD
552
cm²
Moving mass
MMS
30
g
Moving mass (without air load)
MMD
21
g
Material
Paper
Suspensions
Stiffness
KMS
14.29
N/mm
Compliance
CMS
70
µm/N
Equivalent volume to the compliance
VAS
29.6
L
Mechanical resistance
RMS
1.39
N·s/m
Surround material
Paper
Dimensions
Nominal diameter
12
″
305
mm
Overall diameter
311
mm
Baffle cutout diameter
281
mm
Overall depth
113
mm
Volume occupied by the driver
1.93
L
Net weight
3.18
kg
Frame material
Pressed steel
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fS
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SD
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80 - 5500 Hz
QTS
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xmax
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SPL1W
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Bl/√RE
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SD
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80 - 4500 Hz
QTS
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SPL1W
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Bl/√RE
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