Beyma 8BR40/N
Subwoofer
8″ / 200 mm
Nominal diameter
30 Hz
Resonance
0.39
Q factor
89 dB
Sensitivity
± 6.7 mm
Linear excursion
100 W
Program Power
.png)
.png)
Sensitivity (1w, 1m, infinite baffle)
SPL1W
88.6
dB
Frequency response
30 - 6000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
30.0
Hz
Mechanical quality factor
QMS
2.10
Electrical quality factor
QES
0.48
Total quality factor
QTS
0.39
Large signal parameters
Maximum linear excursion
xmax
6.7
mm
Maximum excursion before damage
xlim
20.0
mm
Air volume displaced at xmax
VD
147
cm³
Power handling
P
50
W
Program power
Pmax
100
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
5.5
Ω
Inductance (1kHz)
LE
0.5
mH
VC Diameter
25
mm
Winding height
HVC
16
mm
Magnet
Force factor
Bl
6.8
N/A
Motor constant
Bl/√RE
2.9
N/√W
Air gap height
HAG
6
mm
Diaphragm
Effective diameter
167
mm
Effective area
SD
220
cm²
Moving mass
MMS
21
g
Moving mass (without air load)
MMD
18.6
g
Suspensions
Stiffness
KMS
0.77
N/mm
Compliance
CMS
1300
µm/N
Equivalent volume to the compliance
VAS
89.1
L
Mechanical resistance
RMS
2.0
N·s/m
Dimensions
Nominal diameter
8
″
200
mm
Overall diameter
212
mm
Baffle cutout diameter
181
mm
Overall depth
89
mm
Volume occupied by the driver (estimated)
0.57
L
Net weight
1.3
kg
.png)
.png)
Export this driver to a simulation software:
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
MfbLabs
SpeakerbenchSimilar subwoofers to Beyma 8BR40/N
.jpg.webp)
10″Woofer
fS
30 Hz
SD
353 cm²
29 - 6000 Hz
QTS
0.39
xmax
5.5 mm
SPL1W
88 dB
Bl/√RE
4.82
Pmax
200 W
.jpg.webp)
.jpg.webp)
6.5″Woofer
fS
32 Hz
SD
133 cm²
32 - 8000 Hz
QTS
0.37
xmax
5.0 mm
SPL1W
88 dB
Bl/√RE
2.0
Pmax
120 W