BMS 8CN552

Coaxial

8″ / 205 mm
Nominal diameter
88 Hz
Resonance
0.29
Q factor
96 dB
Sensitivity
± 4 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
Discard
Apply
Sensitivity (1W, 1m, infinite baffle)
SPL1W
96.0
dB
Frequency response
70 - 3000
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
87.6
Hz
Mechanical quality factor
QMS
5.28
Electrical quality factor
QES
0.30
Total quality factor
QTS
0.29

Large signal parameters

Maximum linear excursion
xmax
4.0
mm
Air volume displaced at xmax
VD
80
cm³
Power handling
P
200
W
Program power
Pmax
400
W

Voice Coil

Nominal impedance
Z
8
Ω
DC resistance
RE
5.4
Ω
Inductance (1kHz)
LE
0.18
mH
VC Diameter
52
mm
Winding height
HVC
15
mm
Winding material
Copper
Former material
Kapton

Magnet

Flux density
B
2.0
T
Force factor
Bl
13.44
N/A
Motor constant
Bl/√RE
5.78
N/√W
Air gap height
HAG
7
mm
Material
Neodymium

Diaphragm

Effective diameter
160
mm
Effective area
SD
200
cm²
Moving mass
MMS
18.3
g
Moving mass (without air load)
MMD
16.2
g
Material
Polyester

Suspensions

Stiffness
KMS
5.56
N/mm
Compliance
CMS
180
µm/N
Equivalent volume to the compliance
VAS
10.1
L
Mechanical resistance
RMS
1.91
N·s/m

Dimensions

Nominal diameter
8
205
mm
Overall diameter
205
mm
Baffle cutout diameter
182
mm
Overall depth
115
mm
Volume occupied by the driver (estimated)
0.91
L
Net weight
2.15
kg
Frame material
Cast Aluminum
BMS 8CN552 Impedance
BMS 8CN552 SPL
BMS 8CN552 Dimensions

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