Peerless TC2X4FB00-08
Full-range
4″ / 102 mm
Nominal diameter
85 Hz
Resonance
0.79
Q factor
80 dB
Sensitivity
± 1.5 mm
Linear excursion
20 W
Program Power
Discontinued
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Specifications
Sensitivity (1w, 1m, infinite baffle)
SPL1W
79.6
dB
Frequency response
200 - 20000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
85.0
Hz
Mechanical quality factor
QMS
7.65
Electrical quality factor
QES
0.88
Total quality factor
QTS
0.79
Large signal parameters
Maximum linear excursion
xmax
1.5
mm
Air volume displaced at xmax
VD
3.6
cm³
Power handling
P
10
W
Program power
Pmax
20
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
6.2
Ω
Inductance (1kHz)
LE
0.62
mH
VC Diameter
16
mm
Former material
Kapton
Magnet
Force factor
Bl
3.84
N/A
Motor constant
Bl/√RE
1.54
N/√W
Air gap height
HAG
6
mm
Diaphragm
Effective diameter
56
mm
Effective area
SD
24
cm²
Moving mass
MMS
3.9
g
Moving mass (without air load)
MMD
3.8
g
Suspensions
Stiffness
KMS
1.11
N/mm
Compliance
CMS
899
µm/N
Equivalent volume to the compliance
VAS
0.74
L
Mechanical resistance
RMS
0.27
N·s/m
Dimensions
Nominal diameter
4
″
102
mm
Volume occupied by the driver (estimated)
0.14
L
Net weight
0.25
kg
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3.5″Full-range
fS
90 Hz
SD
31 cm²
80 - 15000 Hz
QTS
0.63
xmax
4.0 mm
SPL1W
82 dB
Bl/√RE
1.83
Pmax
40 W
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4″Mid-range
fS
100 Hz
SD
39 cm²
100 - 20000 Hz
QTS
0.67
xmax
2.0 mm
SPL1W
82 dB
Bl/√RE
1.6
Pmax
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2.5″Full-range
fS
90 Hz
SD
16 cm²
85 - 20000 Hz
QTS
0.61
xmax
3.5 mm
SPL1W
79 dB
Bl/√RE
1.43
Pmax
30 W