5″ / 125 mm
Nominal diameter
85 Hz
Resonance
0.54
Q factor
88 dB
Sensitivity
± 4.75 mm
Linear excursion
150 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
Sensitivity (1w, 1m, infinite baffle)
SPL1W
87.5
dB
Frequency response
55 - 4000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
84.7
Hz
Mechanical quality factor
QMS
9.23
Electrical quality factor
QES
0.57
Total quality factor
QTS
0.54
Large signal parameters
Maximum linear excursion
xmax
4.75
mm
Air volume displaced at xmax
VD
37
cm³
Power handling
P
75
W
Program power
Pmax
150
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
5.4
Ω
Inductance (1kHz)
LE
0.28
mH
VC Diameter
32
mm
Winding height
HVC
12.5
mm
Winding material
Copper clad aluminium
Magnet
Force factor
Bl
6.71
N/A
Motor constant
Bl/√RE
2.88
N/√W
Air gap height
HAG
6
mm
Weight
0.48
kg
Diaphragm
Effective diameter
100
mm
Effective area
SD
79
cm²
Moving mass
MMS
8.9
g
Moving mass (without air load)
MMD
8.3
g
Material
Kevlar loaded paper
Suspensions
Stiffness
KMS
2.56
N/mm
Compliance
CMS
390
µm/N
Equivalent volume to the compliance
VAS
3.46
L
Mechanical resistance
RMS
0.51
N·s/m
Surround material
Elastomer
Dimensions
Nominal diameter
5
″
125
mm
Overall diameter
151
mm
Baffle cutout diameter
117
mm
Overall depth
72
mm
Volume occupied by the driver (estimated)
0.42
L
Net weight
1.4
kg
Frame material
Pressed steel
Similar speaker drivers to Celestion TF0512HE
6″Coaxial
fS
75 Hz
SD
80 cm²
65 - 3300 Hz
QTS
0.54
xmax
3.5 mm
SPL1W
87 dB
Bl/√RE
2.56
Pmax
200 W
5″Full-range
fS
83 Hz
SD
74 cm²
90 - 15000 Hz
QTS
0.51
xmax
2.0 mm
SPL1W
88 dB
Bl/√RE
2.42
Pmax
100 W
4″Mid-range
fS
92 Hz
SD
68 cm²
92 - 10000 Hz
QTS
0.60
xmax
2.3 mm
SPL1W
87 dB
Bl/√RE
2.25
Pmax
60 W