Micro-Precision Z 170 MK IV
Mid Bass
6.5″ / 170 mm
Nominal diameter
48 Hz
Resonance
0.79
Q factor
86 dB
Sensitivity
120 W
Program Power
.png)
Sensitivity (1w, 1m, infinite baffle)
SPL1W
86.4
dB
Thiele & Small parameters
Resonance frequency (free air)
fS
47.8
Hz
Mechanical quality factor
QMS
9.43
Electrical quality factor
QES
0.87
Total quality factor
QTS
0.79
Large signal parameters
Power handling
P
60
W
Program power
Pmax
120
W
Voice Coil
Nominal impedance
Z
4
Ω
DC resistance
RE
4.2
Ω
Inductance (1kHz)
LE
0.2
mH
VC Diameter
25
mm
Magnet
Force factor
Bl
4.2
N/A
Motor constant
Bl/√RE
2.06
N/√W
Diaphragm
Effective diameter
130
mm
Effective area
SD
133
cm²
Moving mass
MMS
12.3
g
Moving mass (without air load)
MMD
11.1
g
Suspensions
Stiffness
KMS
1.11
N/mm
Compliance
CMS
899
µm/N
Equivalent volume to the compliance
VAS
22.5
L
Mechanical resistance
RMS
0.39
N·s/m
Dimensions
Nominal diameter
6.5
″
170
mm
Overall diameter
170
mm
Baffle cutout diameter
145
mm
Overall depth
74
mm
Flange thickness
5
mm
Mounting depth
69
mm
Volume occupied by the driver (estimated)
0.6
L
Net weight
2.1
kg
.png)
Similar speaker drivers to Micro-Precision Z 170 MK IV
.png.webp)
.jpg.webp)
8″Woofer
fS
44 Hz
SD
218 cm²
25 - 6000 Hz
QTS
0.73
xmax
2.5 mm
SPL1W
86 dB
Bl/√RE
2.92
Pmax
190 W
.png.webp)