Peerless TC8FD00-04

Full-range

3″ / 76 mm
Nominal diameter
140 Hz
Resonance
0.94
Q factor
84 dB
Sensitivity
± 3.73 mm
Linear excursion
50 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
Discard
Apply

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Specifications

Sensitivity (1W, 1m, infinite baffle)
SPL1W
84.1
dB
Frequency response
100 - 15000
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
140
Hz
Mechanical quality factor
QMS
2.80
Electrical quality factor
QES
1.40
Total quality factor
QTS
0.94

Large signal parameters

Maximum linear excursion
xmax
3.73
mm
Air volume displaced at xmax
VD
12
cm³
Power handling
P
25
W
Program power
Pmax
50
W

Voice Coil

Nominal impedance
Z
4
Ω
DC resistance
RE
3.3
Ω
Inductance (1kHz)
LE
0.05
mH
VC Diameter
19
mm

Magnet

Force factor
Bl
2.43
N/A
Motor constant
Bl/√RE
1.34
N/√W
Air gap height
HAG
4
mm
Material
Ferrite

Diaphragm

Effective diameter
65
mm
Effective area
SD
33
cm²
Moving mass
MMS
2.8
g
Moving mass (without air load)
MMD
2.7
g
Material
Patented PentaCut

Suspensions

Stiffness
KMS
2.22
N/mm
Compliance
CMS
450
µm/N
Equivalent volume to the compliance
VAS
0.696
L
Mechanical resistance
RMS
0.88
N·s/m
Surround material
Rubber

Dimensions

Nominal diameter
3
76
mm
Volume occupied by the driver (estimated)
0.11
L
Net weight
0.3
kg
Frame material
Pressed Steel
Peerless TC8FD00-04 SPL & Impedance
Peerless TC8FD00-04 Dimensions

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3Full-range
fS
129 Hz
SD
33 cm²
120 - 18000 Hz
QTS
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xmax
2.8 mm
SPL1W
84 dB
Bl/√RE
1.85
Pmax
70 W