6.5″ / 165 mm
Nominal diameter
29 Hz
Resonance
0.44
Q factor
81 dB
Sensitivity
± 10 mm
Linear excursion
110 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
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Specifications
Sensitivity (1w, 1m, infinite baffle)
SPL1W
81.1
dB
Frequency response
29 - 300
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
29.0
Hz
Mechanical quality factor
QMS
5.20
Electrical quality factor
QES
0.48
Total quality factor
QTS
0.44
Large signal parameters
Maximum linear excursion
xmax
10.0
mm
Air volume displaced at xmax
VD
176
cm³
Power handling
P
55
W
Program power
Pmax
110
W
Voice Coil
Nominal impedance
Z
4
Ω
DC resistance
RE
3.6
Ω
Inductance (1kHz)
LE
0.46
mH
VC Diameter
50
mm
Magnet
Force factor
Bl
10.48
N/A
Motor constant
Bl/√RE
5.52
N/√W
Air gap height
HAG
8
mm
Diaphragm
Effective diameter
150
mm
Effective area
SD
176
cm²
Moving mass
MMS
79.8
g
Moving mass (without air load)
MMD
78.3
g
Material
Polypropylene-Mica
Suspensions
Stiffness
KMS
2.71
N/mm
Compliance
CMS
369
µm/N
Equivalent volume to the compliance
VAS
16.2
L
Mechanical resistance
RMS
2.8
N·s/m
Surround material
Santoprene
Dimensions
Nominal diameter
6.5
″
165
mm
Volume occupied by the driver (estimated)
2.1
L
Net weight
4.85
kg
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8″Subwoofer
fS
30 Hz
SD
214 cm²
30 - 1500 Hz
QTS
0.40
xmax
11.0 mm
SPL1W
82 dB
Bl/√RE
6.32
Pmax
600 W
8″Subwoofer
fS
30 Hz
SD
213 cm²
30 - 1500 Hz
QTS
0.39
xmax
12.0 mm
SPL1W
82 dB
Bl/√RE
6.42
Pmax
500 W
10″Subwoofer
fS
33 Hz
SD
337 cm²
QTS
0.49
xmax
19.0 mm
SPL1W
82 dB
Bl/√RE
9.8
Pmax
2400 W