Eminence DELTA-12LFC

4Ω
8Ω

Bass Guitar Speaker

12″ / 305 mm
Nominal diameter
52 Hz
Resonance
0.44
Q factor
94 dB
Sensitivity
± 4.8 mm
Linear excursion
1000 W
Program Power
Eminence DELTA-12LFC Bass Guitar SpeakerEminence DELTA-12LFC Bass Guitar SpeakerEminence DELTA-12LFC Bass Guitar Speaker
Impedance
Excursion
Velocity
SPL
Phase
Group delay
Step response
Tone Burst
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

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Specifications

Sensitivity (1W, 1m, infinite baffle)
SPL1W
94.1
dB
Frequency response
45 - 2300
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
52.0
Hz
Mechanical quality factor
QMS
8.21
Electrical quality factor
QES
0.47
Total quality factor
QTS
0.44

Large signal parameters

Maximum linear excursion
xmax
4.8
mm
Maximum excursion before damage
xlim
13.5
mm
Air volume displaced at xmax
VD
243
cm³
Power handling
P
500
W
Program power
Pmax
1000
W

Voice Coil

Nominal impedance
Z
4
Ω
DC resistance
RE
3.2
Ω
Inductance (1kHz)
LE
0.94
mH
VC Diameter
64
mm
Winding material
Copper
Former material
Kapton

Magnet

Force factor
Bl
10.9
N/A
Motor constant
Bl/√RE
6.09
N/√W
Air gap height
HAG
9.5
mm
Weight
1.588
kg
Material
Ferrite

Diaphragm

Effective diameter
254
mm
Effective area
SD
507
cm²
Moving mass
MMS
53
g
Moving mass (without air load)
MMD
44.9
g
Material
Treated 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
2.11
N·s/m
Surround material
Cloth

Dimensions

Nominal diameter
12
″
305
mm
Overall diameter
306
mm
Baffle cutout diameter
281
mm
Overall depth
136
mm
Volume occupied by the driver
2.25
L
Net weight
5.35
kg
Frame material
Pressed steel
SPL & Impedance
Eminence DELTA-12LFC SPL & Impedance
DatasheetDatasheet

Export this driver to a simulation software:

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