Eminence DOUBLE-T 12

Guitar Speaker

12″ / 305 mm
Nominal diameter
53 Hz
Resonance
0.3
Q factor
97 dB
Sensitivity
± 2.35 mm
Linear excursion
600 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
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Specifications

Sensitivity (1w, 1m, infinite baffle)
SPL1W
96.8
dB
Frequency response
50 - 3800
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
53.0
Hz
Mechanical quality factor
QMS
19.59
Electrical quality factor
QES
0.30
Total quality factor
QTS
0.30

Large signal parameters

Maximum linear excursion
xmax
2.35
mm
Air volume displaced at xmax
VD
122
cm³
Power handling
P
300
W
Program power
Pmax
600
W

Voice Coil

Nominal impedance
Z
8
Ω
DC resistance
RE
5.6
Ω
Inductance (1kHz)
LE
0.57
mH
VC Diameter
76
mm
Winding material
Copper
Former material
Polyimide

Magnet

Force factor
Bl
18.23
N/A
Motor constant
Bl/√RE
7.7
N/√W
Air gap height
HAG
9.1
mm
Weight
0.312
kg
Material
Neodymium

Diaphragm

Effective diameter
257
mm
Effective area
SD
520
cm²
Moving mass
MMS
54
g
Moving mass (without air load)
MMD
45.5
g
Material
Paper

Suspensions

Stiffness
KMS
5.88
N/mm
Compliance
CMS
170
µm/N
Equivalent volume to the compliance
VAS
63.7
L
Mechanical resistance
RMS
0.92
N·s/m
Surround material
Cloth

Dimensions

Nominal diameter
12
305
mm
Overall diameter
315
mm
Baffle cutout diameter
280
mm
Overall depth
143
mm
Volume occupied by the driver
2.54
L
Net weight
3.22
kg
Frame material
Die-cast aluminum
Eminence DOUBLE-T 12 SPL & Impedance

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