EASTECH FSIFD3625-2400

Full-range

2.5″ / 64 mm
Nominal diameter
204 Hz
Resonance
1.17
Q factor
85 dB
Sensitivity
± 1.9 mm
Linear excursion
72 W
Program Power
EASTECH FSIFD3625-2400 Full-rangeEASTECH FSIFD3625-2400 Full-range
Impedance
Excursion
Velocity
SPL
Phase
Group delay
Step response
Tone Burst
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
Sensitivity (1W, 1m, infinite baffle)
SPL1W
85.4
dB

Thiele & Small parameters

Resonance frequency (free air)
fS
204
Hz
Mechanical quality factor
QMS
5.67
Electrical quality factor
QES
1.48
Total quality factor
QTS
1.17

Large signal parameters

Maximum linear excursion
xmax
1.9
mm
Air volume displaced at xmax
VD
4.2
cm³
Power handling
P
36
W
Program power
Pmax
72
W

Voice Coil

Nominal impedance
Z
4
Ω
DC resistance
RE
3.4
Ω
Inductance (1kHz)
LE
0.14
mH
VC Diameter
14
mm
Winding height
HVC
6.8
mm
Winding material
PESVW
Former material
Kapton

Magnet

Force factor
Bl
2.33
N/A
Motor constant
Bl/√RE
1.26
N/√W
Air gap height
HAG
3
mm
Material
Ferrite

Diaphragm

Effective diameter
53
mm
Effective area
SD
22
cm²
Moving mass
MMS
1.8
g
Moving mass (without air load)
MMD
1.8
g
Material
Paper

Suspensions

Stiffness
KMS
3.13
N/mm
Compliance
CMS
320
µm/N
Equivalent volume to the compliance
VAS
0.22
L
Mechanical resistance
RMS
0.41
N·s/m
Surround material
Rubber Coated Cloth

Dimensions

Nominal diameter
2.5
″
64
mm
Volume occupied by the driver (estimated)
0.15
L
Net weight
0.4
kg
Frame material
Steel
SPL & Impedance
EASTECH FSIFD3625-2400 SPL & Impedance
EASTECH FSIFD3625-2400 Dimensions
DatasheetDatasheet

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