Eminence DELTA-12B

8Ω
16Ω

Mid Bass

12″ / 305 mm
Nominal diameter
58 Hz
Resonance
0.48
Q factor
98 dB
Sensitivity
± 2.7 mm
Linear excursion
800 W
Program Power
Eminence DELTA-12B Mid BassEminence DELTA-12B Mid BassEminence DELTA-12B Mid Bass
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
98.3
dB
Frequency response
65 - 5000
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
58.0
Hz
Mechanical quality factor
QMS
7.04
Electrical quality factor
QES
0.52
Total quality factor
QTS
0.48

Large signal parameters

Maximum linear excursion
xmax
2.7
mm
Maximum excursion before damage
xlim
9.0
mm
Air volume displaced at xmax
VD
140
cm³
Power handling
P
400
W
Program power
Pmax
800
W

Voice Coil

Nominal impedance
Z
16
Ω
DC resistance
RE
11.4
Ω
Inductance (1kHz)
LE
0.77
mH
VC Diameter
64
mm
Winding material
Copper
Former material
Polyimide

Magnet

Force factor
Bl
16.0
N/A
Motor constant
Bl/√RE
4.74
N/√W
Air gap height
HAG
9.5
mm
Weight
1.588
kg
Material
Ferrite

Diaphragm

Effective diameter
257
mm
Effective area
SD
520
cm²
Moving mass
MMS
32
g
Moving mass (without air load)
MMD
23.7
g
Material
Paper

Suspensions

Stiffness
KMS
4.35
N/mm
Compliance
CMS
230
µm/N
Equivalent volume to the compliance
VAS
87
L
Mechanical resistance
RMS
1.66
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
5.17
kg
Frame material
Pressed steel
SPL & Impedance
Eminence DELTA-12B SPL & Impedance
DatasheetDatasheet

Export this driver to a simulation software:

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