Eminence RED WHITE AND BLUES

Guitar Speaker

12″ / 305 mm
Nominal diameter
110 Hz
Resonance
0.79
Q factor
100 dB
Sensitivity
± 0.8 mm
Linear excursion
240 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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Specifications

Sensitivity (1W, 1m, infinite baffle)
SPL1W
99.6
dB
Frequency response
80 - 4300
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
110
Hz
Mechanical quality factor
QMS
7.19
Electrical quality factor
QES
0.89
Total quality factor
QTS
0.79

Large signal parameters

Maximum linear excursion
xmax
0.8
mm
Air volume displaced at xmax
VD
43
cm³
Power handling
P
120
W
Program power
Pmax
240
W

Voice Coil

Nominal impedance
Z
8
Ω
DC resistance
RE
6.4
Ω
Inductance (1kHz)
LE
0.43
mH
VC Diameter
44
mm
Winding material
Copper
Former material
Polyimide

Magnet

Force factor
Bl
12.3
N/A
Motor constant
Bl/√RE
4.85
N/√W
Air gap height
HAG
7.9
mm
Weight
1.077
kg
Material
Ferrite

Diaphragm

Effective diameter
260
mm
Effective area
SD
532
cm²
Moving mass
MMS
30
g
Moving mass (without air load)
MMD
21.4
g
Material
Paper

Suspensions

Stiffness
KMS
14.29
N/mm
Compliance
CMS
70
µm/N
Equivalent volume to the compliance
VAS
30.8
L
Mechanical resistance
RMS
2.88
N·s/m
Surround material
Paper

Dimensions

Nominal diameter
12
305
mm
Overall diameter
306
mm
Baffle cutout diameter
281
mm
Overall depth
130
mm
Volume occupied by the driver
2.0
L
Net weight
3.72
kg
Frame material
Pressed steel
Eminence RED WHITE AND BLUES SPL & Impedance

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