Beyma 8LW30

Woofer

8″ / 200 mm
Nominal diameter
70 Hz
Resonance
0.37
Q factor
93 dB
Sensitivity
± 4.5 mm
Linear excursion
500 W
Program Power
Discontinued
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
92.9
dB
Frequency response
65 - 6000
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
70.0
Hz
Mechanical quality factor
QMS
7.00
Electrical quality factor
QES
0.39
Total quality factor
QTS
0.37

Large signal parameters

Maximum linear excursion
xmax
4.5
mm
Maximum excursion before damage
xlim
11.5
mm
Air volume displaced at xmax
VD
99
cm³
Power handling
P
250
W
Program power
Pmax
500
W

Voice Coil

Nominal impedance
Z
8
Ω
DC resistance
RE
5.8
Ω
Inductance (1kHz)
LE
1.1
mH
VC Diameter
62
mm
Winding height
HVC
16
mm

Magnet

Force factor
Bl
12.0
N/A
Motor constant
Bl/√RE
4.98
N/√W
Air gap height
HAG
7
mm
Material
Neodymium

Diaphragm

Effective diameter
167
mm
Effective area
SD
220
cm²
Moving mass
MMS
22
g
Moving mass (without air load)
MMD
19.7
g

Suspensions

Stiffness
KMS
4.31
N/mm
Compliance
CMS
232
µm/N
Equivalent volume to the compliance
VAS
16
L
Mechanical resistance
RMS
1.4
N·s/m

Dimensions

Nominal diameter
8
200
mm
Volume occupied by the driver (estimated)
0.98
L
Net weight
2.35
kg

Export this driver to a simulation software:

WinISDWinISDBasta!Basta!HornrespHornrespQSpeakersQSpeakersSpeakerSimSpeakerSimMfbLabsMfbLabsSpeakerbenchSpeakerbench

Similar woofers to Beyma 8LW30

Beyma 8G40 Woofer
8Woofer
fS
70 Hz
SD
220 cm²
70 - 6000 Hz
QTS
0.36
xmax
6.5 mm
SPL1W
93 dB
Bl/√RE
4.94
Pmax
500 W
B&C Speaker 8FCX51 Coaxial
8Coaxial
fS
69 Hz
SD
220 cm²
70 - 18000 Hz
QTS
0.34
xmax
6.5 mm
SPL1W
93 dB
Bl/√RE
5.2
Pmax
500 W
B&C Speaker 8CX21 Coaxial
8Coaxial
fS
74 Hz
SD
220 cm²
75 - 20000 Hz
QTS
0.36
xmax
5.0 mm
SPL1W
93 dB
Bl/√RE
5.04
Pmax
400 W