Eminence PF-400
Guitar Speaker
15″ / 381 mm
Nominal diameter
58 Hz
Resonance
0.5
Q factor
100 dB
Sensitivity
± 0.79 mm
Linear excursion
800 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
100.2
dB
Frequency response
60 - 3600
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
58.0
Hz
Mechanical quality factor
QMS
6.37
Electrical quality factor
QES
0.55
Total quality factor
QTS
0.50
Large signal parameters
Maximum linear excursion
xmax
0.79
mm
Air volume displaced at xmax
VD
70
cm³
Power handling
P
400
W
Program power
Pmax
800
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
7.5
Ω
Inductance (1kHz)
LE
0.46
mH
VC Diameter
102
mm
Winding material
Edge Wound Aluminum
Former material
Polyimide
Magnet
Force factor
Bl
18.33
N/A
Motor constant
Bl/√RE
6.72
N/√W
Air gap height
HAG
7.2
mm
Weight
3.09
kg
Material
Ferrite
Diaphragm
Effective diameter
337
mm
Effective area
SD
890
cm²
Moving mass
MMS
67
g
Moving mass (without air load)
MMD
48.8
g
Material
Paper
Suspensions
Stiffness
KMS
9.09
N/mm
Compliance
CMS
110
µm/N
Equivalent volume to the compliance
VAS
121
L
Mechanical resistance
RMS
3.83
N·s/m
Surround material
Coth
Dimensions
Nominal diameter
15
″
381
mm
Overall diameter
388
mm
Baffle cutout diameter
357
mm
Overall depth
152
mm
Volume occupied by the driver
4.31
L
Net weight
10.25
kg
Frame material
Die-cast aluminum
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SpeakerbenchSimilar speaker drivers to Eminence PF-400
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15″Low frequency
fS
54 Hz
SD
855 cm²
50 - 4000 Hz
QTS
0.59
xmax
4.8 mm
SPL1W
97 dB
Bl/√RE
6.82
Pmax
1400 W
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15″Guitar Speaker
fS
51 Hz
SD
792 cm²
60 - 3500 Hz
QTS
0.45
xmax
2.2 mm
SPL1W
101 dB
Bl/√RE
5.69
Pmax
400 W
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12″Mid Bass
fS
58 Hz
SD
520 cm²
65 - 5000 Hz
QTS
0.48
xmax
2.7 mm
SPL1W
98 dB
Bl/√RE
4.74
Pmax
800 W