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
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
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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
Eminence HEMPDOG 12 SPL & Impedance

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