6.5″ / 170 mm
Nominal diameter
57 Hz
Resonance
0.69
Q factor
88 dB
Sensitivity
± 2 mm
Linear excursion
70 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
Available on (affiliate links)
Parts Express
$$
Amazon.com
$$
Specifications
Sensitivity (1w, 1m, infinite baffle)
SPL1W
88.4
dB
Frequency response
57 - 6000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
57.0
Hz
Mechanical quality factor
QMS
2.92
Electrical quality factor
QES
0.90
Total quality factor
QTS
0.69
Large signal parameters
Maximum linear excursion
xmax
2.0
mm
Maximum excursion before damage
xlim
7.5
mm
Air volume displaced at xmax
VD
27
cm³
Power handling
P
40
W
Program power
Pmax
70
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
7.2
Ω
Inductance (1kHz)
LE
0.9
mH
VC Diameter
25
mm
Winding height
HVC
7
mm
Magnet
Flux density
B
1.0
T
Force factor
Bl
5.0
N/A
Motor constant
Bl/√RE
1.86
N/√W
Air gap height
HAG
3
mm
Diaphragm
Effective diameter
132
mm
Effective area
SD
137
cm²
Moving mass
MMS
8.7
g
Moving mass (without air load)
MMD
7.5
g
Suspensions
Stiffness
KMS
1.11
N/mm
Compliance
CMS
902
µm/N
Equivalent volume to the compliance
VAS
24
L
Mechanical resistance
RMS
1.07
N·s/m
Dimensions
Nominal diameter
6.5
″
170
mm
Baffle cutout diameter
146
mm
Volume occupied by the driver (estimated)
0.3
L
Net weight
0.77
kg
Similar woofers to VISATON W 170 - 8 Ohm
6 x 9″2 way
fS
56 Hz
SD
205 cm²
50 - 22000 Hz
QTS
0.54
xmax
2.0 mm
SPL1W
90 dB
Bl/√RE
3.24
Pmax
150 W
8″Woofer
fS
52 Hz
SD
201 cm²
35 - 2500 Hz
QTS
0.69
xmax
3.9 mm
SPL1W
87 dB
Bl/√RE
3.23
Pmax
225 W
8″Woofer
fS
52 Hz
SD
206 cm²
45 - 7000 Hz
QTS
0.70
xmax
2.5 mm
SPL1W
87 dB
Bl/√RE
3.08
Pmax
200 W