6.5″ / 165 mm
Nominal diameter
61 Hz
Resonance
0.39
Q factor
88 dB
Sensitivity
± 6.25 mm
Linear excursion
400 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
88.4
dB
Thiele & Small parameters
Resonance frequency (free air)
fS
61.0
Hz
Mechanical quality factor
QMS
4.48
Electrical quality factor
QES
0.43
Total quality factor
QTS
0.39
Large signal parameters
Maximum linear excursion
xmax
6.25
mm
Air volume displaced at xmax
VD
71
cm³
Power handling
P
200
W
Program power
Pmax
400
W
Voice Coil
Nominal impedance
Z
2 x 2
Ω
DC resistance (in series)
RE
3.6
Ω
Inductance (1kHz, in series, estimated)
LE
0.57
mH
Magnet
Force factor (in series)
Bl
26.0
N/A
Motor constant
Bl/√RE
9.69
N/√W
Diameter
138
mm
Diaphragm
Effective diameter
120
mm
Effective area
SD
113
cm²
Moving mass
MMS
54
g
Moving mass (without air load)
MMD
53.1
g
Suspensions
Stiffness
KMS
7.94
N/mm
Compliance
CMS
126
µm/N
Equivalent volume to the compliance
VAS
2.3
L
Mechanical resistance
RMS
4.62
N·s/m
Dimensions
Nominal diameter
6.5
″
165
mm
Baffle cutout diameter
146
mm
Mounting depth
89
mm
Volume occupied by the driver
0.5
L
Similar subwoofers to Skar Audio EVL-65 D2
6.5″Subwoofer
fS
50 Hz
SD
120 cm²
QTS
0.43
xmax
10.0 mm
SPL1W
80 dB
Bl/√RE
7.85
Pmax
500 W
8″Woofer
fS
69 Hz
SD
220 cm²
70 - 4000 Hz
QTS
0.30
xmax
6.0 mm
SPL1W
93 dB
Bl/√RE
6.38
Pmax
600 W
8″Subwoofer
fS
51 Hz
SD
220 cm²
50 - 3000 Hz
QTS
0.31
xmax
7.0 mm
SPL1W
90 dB
Bl/√RE
6.56
Pmax
600 W