ATOHM LD165CR08
Mid Bass
6.5″ / 165 mm
Nominal diameter
43 Hz
Resonance
0.45
Q factor
85 dB
Sensitivity
± 5.5 mm
Linear excursion
300 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
85.4
dB
Thiele & Small parameters
Resonance frequency (free air)
fS
43.0
Hz
Mechanical quality factor
QMS
11.16
Electrical quality factor
QES
0.47
Total quality factor
QTS
0.45
Large signal parameters
Maximum linear excursion
xmax
5.5
mm
Maximum excursion before damage
xlim
7.0
mm
Air volume displaced at xmax
VD
66
cm³
Power handling
P
90
W
Program power
Pmax
300
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
6.7
Ω
Inductance (1kHz)
LE
0.47
mH
VC Diameter
35
mm
Winding height
HVC
17
mm
Magnet
Flux density
B
1.0
T
Force factor
Bl
9.1
N/A
Motor constant
Bl/√RE
3.52
N/√W
Air gap height
HAG
6
mm
Diaphragm
Effective diameter
124
mm
Effective area
SD
120
cm²
Moving mass
MMS
21
g
Moving mass (without air load)
MMD
20
g
Suspensions
Stiffness
KMS
1.61
N/mm
Compliance
CMS
620
µm/N
Equivalent volume to the compliance
VAS
14.7
L
Mechanical resistance
RMS
0.51
N·s/m
Dimensions
Nominal diameter
6.5
″
165
mm
Volume occupied by the driver (estimated)
0.5
L
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SpeakerbenchSimilar woofers to ATOHM LD165CR08
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5.5″Mid-range
fS
45 Hz
SD
95 cm²
45 - 4000 Hz
QTS
0.41
xmax
3.5 mm
SPL1W
86 dB
Bl/√RE
2.56
Pmax
80 W
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