Celestion TF0615
Low frequency
6″ / 152 mm
Nominal diameter
105 Hz
Resonance
0.61
Q factor
92 dB
Sensitivity
± 1.75 mm
Linear excursion
200 W
Program Power
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Parts Express
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Specifications
Sensitivity (1w, 1m, infinite baffle)
SPL1W
91.6
dB
Frequency response
85 - 6000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
105
Hz
Mechanical quality factor
QMS
3.95
Electrical quality factor
QES
0.72
Total quality factor
QTS
0.61
Large signal parameters
Maximum linear excursion
xmax
1.75
mm
Air volume displaced at xmax
VD
27
cm³
Power handling
P
100
W
Program power
Pmax
200
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
7.1
Ω
Inductance (1kHz)
LE
0.47
mH
VC Diameter
38
mm
Winding height
HVC
6.5
mm
Winding material
Round copper
Former material
Polyimide
Magnet
Force factor
Bl
8.85
N/A
Motor constant
Bl/√RE
3.33
N/√W
Air gap height
HAG
6
mm
Weight
0.48
kg
Material
Ferrite
Diaphragm
Effective diameter
140
mm
Effective area
SD
154
cm²
Moving mass
MMS
12.1
g
Moving mass (without air load)
MMD
10.7
g
Material
Kevlar loaded paper
Suspensions
Stiffness
KMS
5.26
N/mm
Compliance
CMS
190
µm/N
Equivalent volume to the compliance
VAS
6.41
L
Mechanical resistance
RMS
2.01
N·s/m
Surround material
Cloth-sealed
Dimensions
Nominal diameter
6
″
152
mm
Overall diameter
178
mm
Baffle cutout diameter
147
mm
Overall depth
74
mm
Volume occupied by the driver (estimated)
0.48
L
Net weight
1.4
kg
Frame material
Pressed steel
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SpeakerbenchSimilar speaker drivers to Celestion TF0615
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6″Mid Bass
fS
109 Hz
SD
154 cm²
115 - 6500 Hz
QTS
0.58
xmax
4.3 mm
SPL1W
92 dB
Bl/√RE
4.01
Pmax
250 W
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6″Mid Bass
fS
114 Hz
SD
152 cm²
115 - 6500 Hz
QTS
0.71
xmax
4.3 mm
SPL1W
92 dB
Bl/√RE
3.47
Pmax
250 W
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6.5″Mid Bass
fS
104 Hz
SD
133 cm²
100 - 7000 Hz
QTS
0.59
xmax
2.0 mm
SPL1W
92 dB
Bl/√RE
2.86
Pmax
400 W