EASTECH ASDFD2000-0400

Full-range

2x4″/ 45x100 mm
Nominal size
180 Hz
Resonance
1.2
Q factor
85 dB
Sensitivity
± 1.75 mm
Linear excursion
40 W
Program Power
EASTECH ASDFD2000-0400 Full-rangeEASTECH ASDFD2000-0400 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
84.5
dB

Thiele & Small parameters

Resonance frequency (free air)
fS
180
Hz
Mechanical quality factor
QMS
3.50
Electrical quality factor
QES
1.80
Total quality factor
QTS
1.20

Large signal parameters

Maximum linear excursion
xmax
1.75
mm
Air volume displaced at xmax
VD
4.5
cm³
Power handling
P
20
W
Program power
Pmax
40
W

Voice Coil

Nominal impedance
Z
4
Ω
DC resistance
RE
3.4
Ω
Inductance (1kHz)
LE
0.04
mH
VC Diameter
18
mm
Winding height
HVC
6.5
mm
Winding material
PESVW
Former material
Kapton

Magnet

Force factor
Bl
2.2
N/A
Motor constant
Bl/√RE
1.19
N/√W
Air gap height
HAG
3
mm
Material
Ferrite

Diaphragm

Effective diameter
57
mm
Effective area
SD
26
cm²
Moving mass
MMS
2.4
g
Moving mass (without air load)
MMD
2.4
g
Material
Paper

Suspensions

Stiffness
KMS
3.33
N/mm
Compliance
CMS
300
µm/N
Equivalent volume to the compliance
VAS
1
L
Mechanical resistance
RMS
0.7
N·s/m
Surround material
Cloth

Dimensions

Nominal size
2 x 4
″
45 x 100
mm
Net weight
0.26
kg
Frame material
Steel
SPL & Impedance
EASTECH ASDFD2000-0400 SPL & Impedance
EASTECH ASDFD2000-0400 Dimensions
DatasheetDatasheet

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