7.5″ / 191 mm
Nominal diameter
33 Hz
Resonance
0.27
Q factor
89 dB
Sensitivity
± 6.7 mm
Linear excursion
140 W
Program Power
.png)
.png)
Sensitivity (1w, 1m, infinite baffle)
SPL1W
89.0
dB
Thiele & Small parameters
Resonance frequency (free air)
fS
32.5
Hz
Mechanical quality factor
QMS
4.41
Electrical quality factor
QES
0.29
Total quality factor
QTS
0.27
Large signal parameters
Maximum linear excursion
xmax
6.7
mm
Air volume displaced at xmax
VD
106
cm³
Power handling
P
70
W
Program power
Pmax
140
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
6.0
Ω
Inductance (1kHz)
LE
0.2
mH
VC Diameter
39
mm
Winding height
HVC
19.4
mm
Magnet
Flux density
B
1.1
T
Force factor
Bl
7.5
N/A
Motor constant
Bl/√RE
3.06
N/√W
Air gap height
HAG
6
mm
Weight
0.15
kg
Diaphragm
Effective diameter
142
mm
Effective area
SD
158
cm²
Moving mass
MMS
16.3
g
Moving mass (without air load)
MMD
14.8
g
Suspensions
Stiffness
KMS
0.46
N/mm
Compliance
CMS
2170
µm/N
Equivalent volume to the compliance
VAS
76.1
L
Mechanical resistance
RMS
0.6
N·s/m
Dimensions
Nominal diameter
7.5
″
191
mm
Volume occupied by the driver (estimated)
0.6
L
Net weight
1.48
kg
.png)
.png)
Export this driver to a simulation software:
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
MfbLabs
SpeakerbenchSimilar woofers to SB Acoustics MW19PNW-8
.png.webp)
.jpg.webp)
8″Woofer
fS
25 Hz
SD
220 cm²
25 - 3500 Hz
QTS
0.23
xmax
8.0 mm
SPL1W
89 dB
Bl/√RE
4.01
Pmax
300 W
.jpg.webp)
8″Mid-range
fS
28 Hz
SD
210 cm²
28 - 4000 Hz
QTS
0.24
xmax
3.5 mm
SPL1W
90 dB
Bl/√RE
4.04
Pmax
100 W