Micro-Precision Z-Studio 170
Mid Bass
6.5″ / 170 mm
Nominal diameter
49 Hz
Resonance
0.72
Q factor
88 dB
Sensitivity
150 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
87.6
dB
Thiele & Small parameters
Resonance frequency (free air)
fS
49.0
Hz
Mechanical quality factor
QMS
8.40
Electrical quality factor
QES
0.78
Total quality factor
QTS
0.72
Large signal parameters
Power handling
P
70
W
Program power
Pmax
150
W
Voice Coil
Nominal impedance
Z
4
Ω
DC resistance
RE
4.0
Ω
Inductance (1kHz)
LE
0.31
mH
VC Diameter
25
mm
Magnet
Force factor
Bl
3.9
N/A
Motor constant
Bl/√RE
1.95
N/√W
Diaphragm
Effective diameter
130
mm
Effective area
SD
133
cm²
Moving mass
MMS
9.8
g
Moving mass (without air load)
MMD
8.7
g
Suspensions
Stiffness
KMS
0.95
N/mm
Compliance
CMS
1053
µm/N
Equivalent volume to the compliance
VAS
26.3
L
Mechanical resistance
RMS
0.36
N·s/m
Dimensions
Nominal diameter
6.5
″
170
mm
Overall diameter
170
mm
Baffle cutout diameter
145
mm
Overall depth
79
mm
Flange thickness
7
mm
Mounting depth
72
mm
Volume occupied by the driver (estimated)
0.32
L
Net weight
0.728
kg
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Similar speaker drivers to Micro-Precision Z-Studio 170
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8″Woofer
fS
52 Hz
SD
206 cm²
45 - 7000 Hz
QTS
0.70
xmax
2.5 mm
SPL1W
87 dB
Bl/√RE
3.08
Pmax
200 W