Celestion CF0617M
Low frequency
6.5″ / 165 mm
Nominal diameter
117 Hz
Resonance
0.45
Q factor
94 dB
Sensitivity
± 2.7 mm
Linear excursion
400 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
94.3
dB
Frequency response
300 - 7000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
117
Hz
Mechanical quality factor
QMS
6.93
Electrical quality factor
QES
0.48
Total quality factor
QTS
0.45
Large signal parameters
Maximum linear excursion
xmax
2.7
mm
Air volume displaced at xmax
VD
42
cm³
Power handling
P
200
W
Program power
Pmax
400
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
5.3
Ω
Inductance (1kHz)
LE
1.73
mH
VC Diameter
45
mm
Winding height
HVC
8.4
mm
Winding material
Edgewound copper clad aluminium
Former material
Glass fibre
Magnet
Force factor
Bl
9.68
N/A
Motor constant
Bl/√RE
4.2
N/√W
Air gap height
HAG
6
mm
Weight
0.6
kg
Material
Ferrite
Diaphragm
Effective diameter
140
mm
Effective area
SD
154
cm²
Moving mass
MMS
11.6
g
Moving mass (without air load)
MMD
10.1
g
Material
Kevlar loaded paper
Suspensions
Stiffness
KMS
6.25
N/mm
Compliance
CMS
160
µm/N
Equivalent volume to the compliance
VAS
5.39
L
Mechanical resistance
RMS
1.23
N·s/m
Surround material
Temperature-resistant foam
Dimensions
Nominal diameter
6.5
″
165
mm
Overall diameter
189
mm
Baffle cutout diameter
150
mm
Overall depth
79
mm
Volume occupied by the driver (estimated)
0.63
L
Net weight
1.9
kg
Frame material
Cast aluminium
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SpeakerbenchSimilar speaker drivers to Celestion CF0617M
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6″Mid Bass
fS
107 Hz
SD
150 cm²
110 - 6500 Hz
QTS
0.53
xmax
5.5 mm
SPL1W
92 dB
Bl/√RE
4.32
Pmax
500 W
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6.5″Mid-range
fS
110 Hz
SD
128 cm²
100 - 10000 Hz
QTS
0.50
xmax
1.2 mm
SPL1W
92 dB
Bl/√RE
3.63
Pmax
400 W
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6″Mid Bass
fS
107 Hz
SD
127 cm²
95 - 5500 Hz
QTS
0.45
xmax
3.5 mm
SPL1W
93 dB
Bl/√RE
3.58
Pmax
200 W