6.5″ / 165 mm
Nominal diameter
42 Hz
Resonance
0.27
Q factor
89 dB
Sensitivity
± 4.5 mm
Linear excursion
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
89.1
dB
Frequency response
45 - 2500
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
42.0
Hz
Mechanical quality factor
QMS
2.80
Electrical quality factor
QES
0.30
Total quality factor
QTS
0.27
Large signal parameters
Maximum linear excursion
xmax
4.5
mm
Air volume displaced at xmax
VD
56
cm³
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
6.2
Ω
Inductance (1kHz)
LE
0.28
mH
Magnet
Force factor
Bl
8.8
N/A
Motor constant
Bl/√RE
3.53
N/√W
Diameter
100
mm
Diaphragm
Effective diameter
126
mm
Effective area
SD
125
cm²
Moving mass
MMS
14.3
g
Moving mass (without air load)
MMD
13.2
g
Suspensions
Stiffness
KMS
1.0
N/mm
Compliance
CMS
1004
µm/N
Equivalent volume to the compliance
VAS
22.2
L
Mechanical resistance
RMS
1.35
N·s/m
Dimensions
Nominal diameter
6.5
″
165
mm
Overall diameter
164
mm
Baffle cutout diameter
143
mm
Overall depth
72
mm
Flange thickness
5
mm
Mounting depth
67
mm
Volume occupied by the driver (estimated)
0.41
L
Similar woofers to Kartesian Wom165_vMS
6.5″Mid-range
fS
38 Hz
SD
127 cm²
38 - 3500 Hz
QTS
0.26
xmax
4.0 mm
SPL1W
89 dB
Bl/√RE
3.85
Pmax
120 W
6.5″Woofer
fS
46 Hz
SD
133 cm²
QTS
0.32
xmax
5.0 mm
SPL1W
89 dB
Bl/√RE
3.26
Pmax
180 W
5.25″Mid-range
fS
45 Hz
SD
95 cm²
45 - 10000 Hz
QTS
0.30
xmax
3.3 mm
SPL1W
88 dB
Bl/√RE
3.06
Pmax
80 W