EASTECH FSI523565-6E00

Woofer

6.5″ / 165 mm
Nominal diameter
57 Hz
Resonance
0.62
Q factor
87 dB
Sensitivity
± 1.45 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
Sensitivity (1W, 1m, infinite baffle)
SPL1W
86.8
dB

Thiele & Small parameters

Resonance frequency (free air)
fS
57.0
Hz
Mechanical quality factor
QMS
19.87
Electrical quality factor
QES
0.64
Total quality factor
QTS
0.62

Large signal parameters

Maximum linear excursion
xmax
1.45
mm
Air volume displaced at xmax
VD
19
cm³
Power handling
P
25
W
Program power
Pmax
50
W

Voice Coil

Nominal impedance
Z
14
Ω
DC resistance
RE
13.0
Ω
Inductance (1kHz)
LE
2.12
mH
VC Diameter
36
mm
Winding height
HVC
8.9
mm
Winding material
PESVW
Former material
Glass Fiber

Magnet

Force factor
Bl
11.2
N/A
Motor constant
Bl/√RE
3.11
N/√W
Air gap height
HAG
6
mm
Material
Ferrite

Diaphragm

Effective diameter
128
mm
Effective area
SD
129
cm²
Moving mass
MMS
17.3
g
Moving mass (without air load)
MMD
16.2
g
Material
Paper

Suspensions

Stiffness
KMS
2.23
N/mm
Compliance
CMS
449
µm/N
Equivalent volume to the compliance
VAS
10.5
L
Mechanical resistance
RMS
0.312
N·s/m
Surround material
Rubber

Dimensions

Nominal diameter
6.5
165
mm
Volume occupied by the driver (estimated)
0.46
L
Net weight
1.16
kg
Frame material
Steel
EASTECH FSI523565-6E00 SPL & Impedance
EASTECH FSI523565-6E00 Dimensions

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