P.Audio GM12-100F
Low frequency
12″ / 305 mm
Nominal diameter
56 Hz
Resonance
0.35
Q factor
95 dB
Sensitivity
± 2.55 mm
Linear excursion
1600 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
94.8
dB
Frequency response
50 - 2500
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
56.0
Hz
Mechanical quality factor
QMS
5.97
Electrical quality factor
QES
0.38
Total quality factor
QTS
0.35
Large signal parameters
Maximum linear excursion
xmax
2.55
mm
Air volume displaced at xmax
VD
135
cm³
Power handling
P
800
W
Program power
Pmax
1600
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
5.4
Ω
Inductance (1kHz)
LE
0.55
mH
VC Diameter
102
mm
Winding height
HVC
15.1
mm
Winding material
CCA-W
Former material
Glass fiber
Magnet
Flux density
B
1.0
T
Force factor
Bl
18.99
N/A
Motor constant
Bl/√RE
8.17
N/√W
Air gap height
HAG
10
mm
Material
Ferrite
Diaphragm
Effective diameter
261
mm
Effective area
SD
531
cm²
Moving mass
MMS
72.2
g
Moving mass (without air load)
MMD
63.4
g
Material
Waterproof Paper
Suspensions
Stiffness
KMS
8.93
N/mm
Compliance
CMS
112
µm/N
Equivalent volume to the compliance
VAS
44.7
L
Mechanical resistance
RMS
4.25
N·s/m
Surround material
Cloth
Spider material
Cotton (Silicone Impregnated)
Dimensions
Nominal diameter
12
″
305
mm
Overall diameter
313
mm
Baffle cutout diameter
283
mm
Overall depth
144
mm
Flange thickness
13
mm
Mounting depth
131
mm
Volume occupied by the driver (estimated)
4.0
L
Net weight
11.1
kg
Frame material
Aluminium
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12″Low frequency
fS
55 Hz
SD
531 cm²
60 - 2500 Hz
QTS
0.32
xmax
2.6 mm
SPL1W
95 dB
Bl/√RE
8.46
Pmax
1200 W
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12″Mid-range
fS
54 Hz
SD
573 cm²
55 - 5500 Hz
QTS
0.34
xmax
6.2 mm
SPL1W
95 dB
Bl/√RE
8.86
Pmax
2000 W
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12″Subwoofer
fS
54 Hz
SD
531 cm²
50 - 3500 Hz
QTS
0.34
xmax
8.3 mm
SPL1W
95 dB
Bl/√RE
8.59
Pmax
1600 W