Micro-Precision 5.16 MK II
Woofer
6.5″ / 170 mm
Nominal diameter
43 Hz
Resonance
0.91
Q factor
86 dB
Sensitivity
140 W
Program Power
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Sensitivity (1W, 1m, infinite baffle)
SPL1W
86.0
dB
Thiele & Small parameters
Resonance frequency (free air)
fS
43.0
Hz
Mechanical quality factor
QMS
7.15
Electrical quality factor
QES
1.05
Total quality factor
QTS
0.91
Large signal parameters
Power handling
P
70
W
Program power
Pmax
140
W
Voice Coil
Nominal impedance
Z
4
Ω
DC resistance
RE
4.1
Ω
Inductance (1kHz)
LE
0.19
mH
VC Diameter
25
mm
Magnet
Force factor
Bl
3.5
N/A
Motor constant
Bl/√RE
1.73
N/√W
Diaphragm
Effective diameter
130
mm
Effective area
SD
133
cm²
Moving mass
MMS
11.3
g
Moving mass (without air load)
MMD
10.2
g
Suspensions
Stiffness
KMS
0.83
N/mm
Compliance
CMS
1200
µm/N
Equivalent volume to the compliance
VAS
30
L
Mechanical resistance
RMS
0.42
N·s/m
Dimensions
Nominal diameter
6.5
″
170
mm
Overall diameter
170
mm
Baffle cutout diameter
147
mm
Overall depth
70
mm
Flange thickness
5
mm
Mounting depth
65
mm
Volume occupied by the driver (estimated)
0.45
L
Net weight
1.4
kg
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Similar woofers to Micro-Precision 5.16 MK II
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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
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8″Mid-range
fS
37 Hz
SD
210 cm²
37 - 5000 Hz
QTS
0.70
xmax
3.0 mm
SPL1W
86 dB
Bl/√RE
2.42
Pmax
150 W