Celestion NTR06-1705B
Low frequency
6.5″ / 165 mm
Nominal diameter
133 Hz
Resonance
0.44
Q factor
94 dB
Sensitivity
± 4 mm
Linear excursion
300 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
93.8
dB
Frequency response
150 - 7000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
133
Hz
Mechanical quality factor
QMS
1.91
Electrical quality factor
QES
0.58
Total quality factor
QTS
0.44
Large signal parameters
Maximum linear excursion
xmax
4.0
mm
Air volume displaced at xmax
VD
62
cm³
Power handling
P
150
W
Program power
Pmax
300
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
5.9
Ω
Inductance (1kHz)
LE
0.21
mH
VC Diameter
44
mm
Winding height
HVC
11
mm
Winding material
Copper clad aluminium
Former material
Polyimide
Magnet
Force factor
Bl
10.69
N/A
Motor constant
Bl/√RE
4.39
N/√W
Air gap height
HAG
6
mm
Material
Neodymium
Diaphragm
Effective diameter
140
mm
Effective area
SD
154
cm²
Moving mass
MMS
13.3
g
Moving mass (without air load)
MMD
11.8
g
Material
Kevlar loaded paper
Suspensions
Stiffness
KMS
9.09
N/mm
Compliance
CMS
110
µm/N
Equivalent volume to the compliance
VAS
3.63
L
Mechanical resistance
RMS
5.79
N·s/m
Surround material
Cloth-sealed
Dimensions
Nominal diameter
6.5
″
165
mm
Overall diameter
189
mm
Baffle cutout diameter
150
mm
Overall depth
71
mm
Volume occupied by the driver (estimated)
0.35
L
Net weight
0.85
kg
Frame material
Cast aluminium
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SpeakerbenchSimilar speaker drivers to Celestion NTR06-1705B
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6.5″Mid-range
fS
130 Hz
SD
132 cm²
150 - 6000 Hz
QTS
0.44
xmax
2.0 mm
SPL1W
93 dB
Bl/√RE
4.4
Pmax
240 W
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6.5″Mid-range
fS
138 Hz
SD
132 cm²
150 - 6000 Hz
QTS
0.47
xmax
3.0 mm
SPL1W
93 dB
Bl/√RE
4.22
Pmax
400 W
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6.5″Mid Bass
fS
115 Hz
SD
132 cm²
115 - 5000 Hz
QTS
0.35
xmax
3.5 mm
SPL1W
94 dB
Bl/√RE
4.56
Pmax
400 W