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
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
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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
B&C Speaker 8PE21 Impedance
B&C Speaker 8PE21 SPL
B&C Speaker 8PE21 Dimensions

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