B&C Speaker 8PE21
Mid-range
8″ / 200 mm
Nominal diameter
87 Hz
Resonance
0.19
Q factor
98 dB
Sensitivity
± 2.5 mm
Linear excursion
400 W
Program Power
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Available on (affiliate links)
Parts Express
$$$
Amazon.com
$$$
Specifications
Sensitivity (1w, 1m, infinite baffle)
SPL1W
97.8
dB
Frequency response
90 - 5000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
87.0
Hz
Mechanical quality factor
QMS
3.80
Electrical quality factor
QES
0.20
Total quality factor
QTS
0.19
Large signal parameters
Maximum linear excursion
xmax
2.5
mm
Air volume displaced at xmax
VD
55
cm³
Power handling
P
200
W
Program power
Pmax
400
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
5.6
Ω
Inductance (1kHz)
LE
0.5
mH
VC Diameter
51
mm
Winding height
HVC
9
mm
Winding material
Copper
Former material
Kapton
Magnet
Flux density
B
1.25
T
Force factor
Bl
16.6
N/A
Motor constant
Bl/√RE
7.01
N/√W
Air gap height
HAG
8
mm
Material
Ferrite
Diaphragm
Effective diameter
167
mm
Effective area
SD
220
cm²
Moving mass
MMS
18
g
Moving mass (without air load)
MMD
15.5
g
Suspensions
Stiffness
KMS
5.38
N/mm
Compliance
CMS
186
µm/N
Equivalent volume to the compliance
VAS
13
L
Mechanical resistance
RMS
2.59
N·s/m
Dimensions
Nominal diameter
8
″
200
mm
Overall diameter
225
mm
Baffle cutout diameter
187
mm
Overall depth
91
mm
Flange thickness
11
mm
Mounting depth
80
mm
Volume occupied by the driver
1.2
L
Net weight
4.25
kg
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Export this driver to a simulation software:
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SpeakerbenchSimilar speaker drivers to B&C Speaker 8PE21
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8″Mid-range
fS
84 Hz
SD
202 cm²
100 - 4000 Hz
QTS
0.20
xmax
2.8 mm
SPL1W
97 dB
Bl/√RE
6.49
Pmax
400 W
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8″Mid-range
fS
75 Hz
SD
214 cm²
90 - 5000 Hz
QTS
0.18
xmax
2.6 mm
SPL1W
97 dB
Bl/√RE
7.2
Pmax
400 W
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8″Mid-range
fS
74 Hz
SD
202 cm²
90 - 5000 Hz
QTS
0.20
xmax
2.8 mm
SPL1W
97 dB
Bl/√RE
6.13
Pmax
500 W