6.5″ / 165 mm
Nominal diameter
70 Hz
Resonance
0.79
Q factor
87 dB
Sensitivity
± 5.5 mm
Linear excursion
200 W
Program Power
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
87.4
dB
Frequency response
60 - 6000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
70.0
Hz
Mechanical quality factor
QMS
10.50
Electrical quality factor
QES
0.86
Total quality factor
QTS
0.79
Large signal parameters
Maximum linear excursion
xmax
5.5
mm
Air volume displaced at xmax
VD
73
cm³
Power handling
P
100
W
Program power
Pmax
200
W
Voice Coil
Nominal impedance
Z
4
Ω
DC resistance
RE
2.7
Ω
Inductance (1kHz, estimated)
LE
0.19
mH
VC Diameter
80
mm
Winding material
Copper Clad Aluminium
Former material
Glass Fiber
Magnet
Force factor
Bl
4.4
N/A
Motor constant
Bl/√RE
2.68
N/√W
Diameter
75
mm
Height
4
mm
Diaphragm
Effective diameter
130
mm
Effective area
SD
133
cm²
Moving mass
MMS
14.5
g
Moving mass (without air load)
MMD
13.4
g
Suspensions
Stiffness
KMS
2.78
N/mm
Compliance
CMS
360
µm/N
Equivalent volume to the compliance
VAS
8.5
L
Mechanical resistance
RMS
0.61
N·s/m
Dimensions
Nominal diameter
6.5
″
165
mm
Baffle cutout diameter
141
mm
Mounting depth
52
mm
Volume occupied by the driver (estimated)
0.42
L
Net weight
1.05
kg
Similar woofers to Focal 6 WM
6.5″Mid Bass
fS
67 Hz
SD
141 cm²
45 - 4000 Hz
QTS
0.77
xmax
3.0 mm
SPL1W
87 dB
Bl/√RE
2.6
Pmax
200 W
6.5″Mid Bass
fS
70 Hz
SD
133 cm²
60 - 3500 Hz
QTS
0.84
xmax
3.2 mm
SPL1W
88 dB
Bl/√RE
2.31
Pmax
150 W
6.5″2 Way
fS
65 Hz
SD
125 cm²
50 - 25000 Hz
QTS
0.70
xmax
3.7 mm
SPL1W
88 dB
Bl/√RE
2.78
Pmax
150 W