Skar Audio IX-8 D4

2x2Ω
2x4Ω

Subwoofer

8″ / 214 mm
Nominal diameter
49 Hz
Resonance
0.64
Q factor
83 dB
Sensitivity
± 7 mm
Linear excursion
300 W
Program Power
Skar Audio IX-8 D4 SubwooferSkar Audio IX-8 D4 SubwooferSkar Audio IX-8 D4 Subwoofer
Excursion
Velocity
SPL
Phase
Group delay
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
Discard
Apply
Sensitivity (1W, 1m, infinite baffle)
SPL1W
82.9
dB

Thiele & Small parameters

Resonance frequency (free air)
fS
48.9
Hz
Mechanical quality factor
QMS
4.29
Electrical quality factor
QES
0.75
Total quality factor
QTS
0.64

Large signal parameters

Maximum linear excursion
xmax
7.0
mm
Air volume displaced at xmax
VD
141
cm³
Power handling
P
150
W
Program power
Pmax
300
W

Voice Coil

Nominal impedance
Z
2 x 4
Ω
DC resistance (in series)
RE
6.0
Ω
Inductance (1kHz, in series, estimated)
LE
1.18
mH
VC Diameter
51
mm
Winding material
Copper

Magnet

Force factor (in series)
Bl
13.8
N/A
Motor constant
Bl/√RE
5.63
N/√W
Diameter
119
mm

Diaphragm

Effective diameter
160
mm
Effective area
SD
201
cm²
Moving mass
MMS
77.9
g
Moving mass (without air load)
MMD
75.7
g
Material
Pressed Paper

Suspensions

Stiffness
KMS
7.35
N/mm
Compliance
CMS
136
µm/N
Equivalent volume to the compliance
VAS
7.8
L
Mechanical resistance
RMS
5.58
N·s/m
Surround material
Foam

Dimensions

Nominal diameter
8
″
214
mm
Overall diameter
214
mm
Baffle cutout diameter
187
mm
Overall depth
127
mm
Flange thickness
19
mm
Mounting depth
108
mm
Volume occupied by the driver (estimated)
1.2
L
Impedance
Step response
Tone Burst

Export this driver to a simulation software:

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Similar subwoofers to Skar Audio IX-8 D4

Skar Audio IX-8 D2 Subwoofer
Skar Audio  IX-8 D22 x 2 Ω
8″Subwoofer
fS
48 Hz
SD
201 cm²
QTS
0.66
xmax
7.0 mm
SPL1W
83 dB
Bl/√RE
5.37
Pmax
300 W