Eminence HEMPDOG 12
Guitar Speaker
12″ / 315 mm
Nominal diameter
69 Hz
Resonance
0.35
Q factor
102 dB
Sensitivity
± 1.27 mm
Linear excursion
300 W
Program Power
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Specifications
Sensitivity (1w, 1m, infinite baffle)
SPL1W
101.9
dB
Frequency response
80 - 3800
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
69.0
Hz
Mechanical quality factor
QMS
10.02
Electrical quality factor
QES
0.36
Total quality factor
QTS
0.35
Large signal parameters
Maximum linear excursion
xmax
1.27
mm
Air volume displaced at xmax
VD
69
cm³
Power handling
P
150
W
Program power
Pmax
300
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
6.6
Ω
Inductance (1kHz)
LE
0.41
mH
VC Diameter
64
mm
Winding material
Edge Wound Aluminum
Former material
Polyimide
Magnet
Force factor
Bl
15.23
N/A
Motor constant
Bl/√RE
5.95
N/√W
Air gap height
HAG
9.5
mm
Weight
2.268
kg
Material
Ferrite
Diaphragm
Effective diameter
264
mm
Effective area
SD
545
cm²
Moving mass
MMS
30
g
Moving mass (without air load)
MMD
21
g
Material
Paper
Suspensions
Stiffness
KMS
5.56
N/mm
Compliance
CMS
180
µm/N
Equivalent volume to the compliance
VAS
74.3
L
Mechanical resistance
RMS
1.3
N·s/m
Surround material
Paper
Dimensions
Nominal diameter
12
″
315
mm
Overall diameter
315
mm
Baffle cutout diameter
281
mm
Overall depth
137
mm
Volume occupied by the driver
0.09
L
Net weight
7.39
kg
Frame material
Die-cast aluminum
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12″Guitar Speaker
fS
79 Hz
SD
520 cm²
80 - 5500 Hz
QTS
0.42
xmax
1.2 mm
SPL1W
101 dB
Bl/√RE
5.71
Pmax
150 W
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12″Guitar Speaker
fS
63 Hz
SD
545 cm²
65 - 3500 Hz
QTS
0.42
xmax
0.8 mm
SPL1W
99 dB
Bl/√RE
6.15
Pmax
700 W
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