MATCH MW 8BMW-D

Shallow Subwoofer

8″ / 216 mm
Nominal diameter
46 Hz
Resonance
0.52
Q factor
87 dB
Sensitivity
± 4 mm
Linear excursion
400 W
Program Power
MATCH MW 8BMW-D Shallow SubwooferMATCH MW 8BMW-D Shallow Subwoofer
Excursion
Velocity
SPL
Phase
Group delay
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
86.6
dB

Thiele & Small parameters

Resonance frequency (free air)
fS
46.0
Hz
Mechanical quality factor
QMS
4.45
Electrical quality factor
QES
0.59
Total quality factor
QTS
0.52

Large signal parameters

Maximum linear excursion
xmax
4.0
mm
Air volume displaced at xmax
VD
86
cm³
Power handling
P
200
W
Program power
Pmax
400
W

Voice Coil

Nominal impedance
Z
2 x 2
Ω
DC resistance (in series)
RE
3.4
Ω
Inductance (1kHz, in series, estimated)
LE
0.47
mH
VC Diameter
43
mm
Winding height
HVC
12.5
mm

Magnet

Force factor (in series)
Bl
8.6
N/A
Motor constant
Bl/√RE
4.66
N/√W

Diaphragm

Effective diameter
165
mm
Effective area
SD
214
cm²
Moving mass
MMS
44.2
g
Moving mass (without air load)
MMD
41.8
g
Material
Hand-scooped paper cone

Suspensions

Stiffness
KMS
3.68
N/mm
Compliance
CMS
272
µm/N
Equivalent volume to the compliance
VAS
17.3
L
Mechanical resistance
RMS
0.74
N·s/m

Dimensions

Nominal diameter
8
″
216
mm
Overall diameter
216
mm
Baffle cutout diameter
175
mm
Mounting depth
40
mm
Volume occupied by the driver (estimated)
1.0
L
Impedance
Step response
Tone Burst
DatasheetDatasheet

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