Micro-Precision Z-Studio 100

Mid-range

4″ / 100 mm
Nominal diameter
122 Hz
Resonance
0.93
Q factor
88 dB
Sensitivity
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
88.3
dB

Thiele & Small parameters

Resonance frequency (free air)
fS
122
Hz
Mechanical quality factor
QMS
6.42
Electrical quality factor
QES
1.08
Total quality factor
QTS
0.93

Large signal parameters

Voice Coil

Nominal impedance
Z
8
Ω
DC resistance
RE
8.8
Ω
Inductance (1kHz)
LE
0.24
mH
VC Diameter
25
mm

Magnet

Force factor
Bl
4.1
N/A
Motor constant
Bl/√RE
1.38
N/√W

Diaphragm

Effective diameter
83
mm
Effective area
SD
54
cm²
Moving mass
MMS
2.7
g
Moving mass (without air load)
MMD
2.4
g

Suspensions

Stiffness
KMS
1.16
N/mm
Compliance
CMS
860
µm/N
Equivalent volume to the compliance
VAS
3.6
L
Mechanical resistance
RMS
0.27
N·s/m

Dimensions

Nominal diameter
4
100
mm
Overall diameter
110
mm
Baffle cutout diameter
90
mm
Overall depth
40
mm
Flange thickness
5
mm
Mounting depth
35
mm
Volume occupied by the driver (estimated)
0.14
L
Net weight
0.61
kg
Micro-Precision Z-Studio 100 SPL

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