Peerless TC9FD18-08
Full-range
3.5″ / 89 mm
Nominal diameter
130 Hz
Resonance
0.97
Q factor
85 dB
Sensitivity
± 3.88 mm
Linear excursion
60 W
Program Power
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Available on (affiliate link)
Parts Express
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Specifications
Sensitivity (1w, 1m, infinite baffle)
SPL1W
85.1
dB
Frequency response
70 - 20000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
130
Hz
Mechanical quality factor
QMS
2.97
Electrical quality factor
QES
1.44
Total quality factor
QTS
0.97
Large signal parameters
Maximum linear excursion
xmax
3.88
mm
Air volume displaced at xmax
VD
14
cm³
Power handling
P
30
W
Program power
Pmax
60
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
6.2
Ω
Inductance (1kHz)
LE
0.11
mH
VC Diameter
19
mm
Magnet
Force factor
Bl
3.13
N/A
Motor constant
Bl/√RE
1.26
N/√W
Air gap height
HAG
4
mm
Material
Ferrite
Diaphragm
Effective diameter
68
mm
Effective area
SD
36
cm²
Moving mass
MMS
2.7
g
Moving mass (without air load)
MMD
2.5
g
Material
Aluminum
Suspensions
Stiffness
KMS
1.92
N/mm
Compliance
CMS
520
µm/N
Equivalent volume to the compliance
VAS
0.978
L
Mechanical resistance
RMS
0.73
N·s/m
Surround material
NBR Rubber
Dimensions
Nominal diameter
3.5
″
89
mm
Volume occupied by the driver (estimated)
0.11
L
Net weight
0.3
kg
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SpeakerbenchSimilar speaker drivers to Peerless TC9FD18-08
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3.5″Full-range
fS
130 Hz
SD
36 cm²
100 - 20000 Hz
QTS
1.10
xmax
3.9 mm
SPL1W
85 dB
Bl/√RE
1.23
Pmax
40 W
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3″Full-range
fS
130 Hz
SD
33 cm²
80 - 20000 Hz
QTS
0.96
xmax
3.4 mm
SPL1W
85 dB
Bl/√RE
1.21
Pmax
50 W
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3.5″Full-range
fS
130 Hz
SD
36 cm²
100 - 10000 Hz
QTS
0.87
xmax
3.9 mm
SPL1W
85 dB
Bl/√RE
1.44
Pmax
20 W