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
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
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
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
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
Similar speaker drivers to BMS 8CN552
6.5″Mid Bass
fS
95 Hz
SD
130 cm²
200 - 7000 Hz
QTS
0.32
xmax
3.0 mm
SPL1W
97 dB
Bl/√RE
3.73
Pmax
260 W
8″Woofer
fS
88 Hz
SD
222 cm²
80 - 3000 Hz
QTS
0.31
xmax
4.3 mm
SPL1W
96 dB
Bl/√RE
5.85
Pmax
400 W
8″Woofer
fS
88 Hz
SD
222 cm²
80 - 3000 Hz
QTS
0.30
xmax
4.0 mm
SPL1W
96 dB
Bl/√RE
5.94
Pmax
400 W