EASTECH 85K60EHC19255

Full-range

3.25″ / 83 mm
Nominal diameter
125 Hz
Resonance
1.49
Q factor
86 dB
Sensitivity
± 1.6 mm
Linear excursion
20 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
85.9
dB

Thiele & Small parameters

Resonance frequency (free air)
fS
125
Hz
Mechanical quality factor
QMS
7.75
Electrical quality factor
QES
1.85
Total quality factor
QTS
1.49

Large signal parameters

Maximum linear excursion
xmax
1.6
mm
Air volume displaced at xmax
VD
5.7
cm³
Power handling
P
10
W
Program power
Pmax
20
W

Voice Coil

Nominal impedance
Z
8
Ω
DC resistance
RE
6.3
Ω
Inductance (1kHz)
LE
0.07
mH
VC Diameter
19
mm
Winding height
HVC
7.2
mm
Winding material
Copper Clad Aluminium
Former material
Aluminum

Magnet

Force factor
Bl
2.93
N/A
Motor constant
Bl/√RE
1.17
N/√W
Air gap height
HAG
4
mm
Material
Ferrite

Diaphragm

Effective diameter
68
mm
Effective area
SD
36
cm²
Moving mass
MMS
3.1
g
Moving mass (without air load)
MMD
2.9
g
Material
Paper

Suspensions

Stiffness
KMS
1.99
N/mm
Compliance
CMS
502
µm/N
Equivalent volume to the compliance
VAS
0.911
L
Mechanical resistance
RMS
0.32
N·s/m
Surround material
Rubber

Dimensions

Nominal diameter
3.25
83
mm
Volume occupied by the driver (estimated)
0.11
L
Net weight
0.287
kg
Frame material
Plastic
EASTECH 85K60EHC19255 SPL & Impedance
EASTECH 85K60EHC19255 Dimensions

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SD
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