6.5″ / 170 mm
Nominal diameter
45 Hz
Resonance
0.65
Q factor
85 dB
Sensitivity
± 3.5 mm
Linear excursion
90 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
85.1
dB
Frequency response
45 - 7000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
45.0
Hz
Mechanical quality factor
QMS
2.35
Electrical quality factor
QES
0.90
Total quality factor
QTS
0.65
Large signal parameters
Maximum linear excursion
xmax
3.5
mm
Maximum excursion before damage
xlim
6.5
mm
Air volume displaced at xmax
VD
50
cm³
Power handling
P
60
W
Program power
Pmax
90
W
Voice Coil
Nominal impedance
Z
4
Ω
DC resistance
RE
3.2
Ω
Inductance (1kHz)
LE
0.6
mH
VC Diameter
25
mm
Winding height
HVC
12
mm
Magnet
Flux density
B
0.8
T
Force factor
Bl
3.9
N/A
Motor constant
Bl/√RE
2.18
N/√W
Air gap height
HAG
5
mm
Diaphragm
Effective diameter
135
mm
Effective area
SD
143
cm²
Moving mass
MMS
16
g
Moving mass (without air load)
MMD
14.7
g
Suspensions
Stiffness
KMS
1.32
N/mm
Compliance
CMS
759
µm/N
Equivalent volume to the compliance
VAS
22
L
Mechanical resistance
RMS
1.93
N·s/m
Dimensions
Nominal diameter
6.5
″
170
mm
Baffle cutout diameter
150
mm
Volume occupied by the driver (estimated)
0.38
L
Net weight
0.97
kg
Similar woofers to VISATON WS 17 E - 4 Ohm
8″Woofer
fS
46 Hz
SD
201 cm²
40 - 800 Hz
QTS
0.75
xmax
11.1 mm
SPL1W
85 dB
Bl/√RE
3.52
Pmax
180 W
6.5″Woofer
fS
48 Hz
SD
141 cm²
20 - 8000 Hz
QTS
0.58
xmax
8.1 mm
SPL1W
87 dB
Bl/√RE
2.51
Pmax
120 W
6″2 Way Kit
fS
50 Hz
SD
130 cm²
55 - 22000 Hz
QTS
0.63
xmax
3.0 mm
SPL1W
86 dB
Bl/√RE
2.71
Pmax
240 W