B&C Speaker 12PE32
Mid Bass
12″ / 320 mm
Nominal diameter
51 Hz
Resonance
0.18
Q factor
99 dB
Sensitivity
± 2.8 mm
Linear excursion
500 W
Program Power
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Available on (affiliate links)
Parts Express
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Specifications
Sensitivity (1w, 1m, infinite baffle)
SPL1W
99.2
dB
Frequency response
50 - 4000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
51.0
Hz
Mechanical quality factor
QMS
7.60
Electrical quality factor
QES
0.19
Total quality factor
QTS
0.18
Large signal parameters
Maximum linear excursion
xmax
2.8
mm
Air volume displaced at xmax
VD
146
cm³
Power handling
P
250
W
Program power
Pmax
500
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
5.8
Ω
Inductance (1kHz)
LE
1.2
mH
VC Diameter
65
mm
Winding height
HVC
12
mm
Winding material
Aluminium
Former material
Glass Fibre
Magnet
Flux density
B
1.4
T
Force factor
Bl
19.1
N/A
Motor constant
Bl/√RE
7.93
N/√W
Air gap height
HAG
7
mm
Material
Ferrite
Diaphragm
Effective diameter
258
mm
Effective area
SD
522
cm²
Moving mass
MMS
37
g
Moving mass (without air load)
MMD
28.4
g
Suspensions
Stiffness
KMS
3.83
N/mm
Compliance
CMS
261
µm/N
Equivalent volume to the compliance
VAS
101
L
Mechanical resistance
RMS
1.56
N·s/m
Dimensions
Nominal diameter
12
″
320
mm
Overall diameter
315
mm
Baffle cutout diameter
282
mm
Overall depth
135
mm
Flange thickness
15
mm
Mounting depth
120
mm
Volume occupied by the driver
3.1
L
Net weight
7.6
kg
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fS
52 Hz
SD
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60 - 6000 Hz
QTS
0.20
xmax
5.0 mm
SPL1W
99 dB
Bl/√RE
8.05
Pmax
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fS
49 Hz
SD
531 cm²
60 - 5000 Hz
QTS
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xmax
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SPL1W
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Bl/√RE
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Pmax
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fS
49 Hz
SD
531 cm²
60 - 5000 Hz
QTS
0.19
xmax
4.5 mm
SPL1W
99 dB
Bl/√RE
7.96
Pmax
600 W