15″ / 381 mm
Nominal diameter
40 Hz
Resonance
0.53
Q factor
98 dB
Sensitivity
± 2.7 mm
Linear excursion
800 W
Program Power
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Specifications
Sensitivity (1w, 1m, infinite baffle)
SPL1W
97.7
dB
Frequency response
48 - 4000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
40.0
Hz
Mechanical quality factor
QMS
8.05
Electrical quality factor
QES
0.57
Total quality factor
QTS
0.53
Large signal parameters
Maximum linear excursion
xmax
2.7
mm
Maximum excursion before damage
xlim
11.1
mm
Air volume displaced at xmax
VD
233
cm³
Power handling
P
400
W
Program power
Pmax
800
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
6.3
Ω
Inductance (1kHz)
LE
0.64
mH
VC Diameter
64
mm
Winding material
Aluminum
Former material
Polyimide
Magnet
Force factor
Bl
13.2
N/A
Motor constant
Bl/√RE
5.26
N/√W
Air gap height
HAG
9.5
mm
Weight
1.588
kg
Material
Ferrite
Diaphragm
Effective diameter
332
mm
Effective area
SD
865
cm²
Moving mass
MMS
62
g
Moving mass (without air load)
MMD
44.5
g
Material
Paper
Suspensions
Stiffness
KMS
3.85
N/mm
Compliance
CMS
260
µm/N
Equivalent volume to the compliance
VAS
271
L
Mechanical resistance
RMS
1.94
N·s/m
Surround material
Cloth
Dimensions
Nominal diameter
15
″
381
mm
Overall diameter
385
mm
Baffle cutout diameter
352
mm
Overall depth
154
mm
Volume occupied by the driver
3.62
L
Net weight
5.58
kg
Frame material
Pressed steel
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QSpeakers
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SpeakerbenchSimilar woofers to Eminence DELTA-15A
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15″Bass Guitar Speaker
fS
40 Hz
SD
855 cm²
40 - 4000 Hz
QTS
0.53
xmax
4.3 mm
SPL1W
96 dB
Bl/√RE
5.56
Pmax
400 W
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15″Bass Guitar Speaker
fS
40 Hz
SD
873 cm²
40 - 2200 Hz
QTS
0.49
xmax
6.0 mm
SPL1W
96 dB
Bl/√RE
5.62
Pmax
1200 W
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15″Bass Guitar Speaker
fS
39 Hz
SD
873 cm²
42 - 3200 Hz
QTS
0.48
xmax
4.8 mm
SPL1W
95 dB
Bl/√RE
5.91
Pmax
1000 W