Micro-Precision 7.16 MK III

Mid Bass

6.5″ / 170 mm
Nominal diameter
50 Hz
Resonance
0.65
Q factor
88 dB
Sensitivity
120 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
88.4
dB

Thiele & Small parameters

Resonance frequency (free air)
fS
49.9
Hz
Mechanical quality factor
QMS
10.90
Electrical quality factor
QES
0.69
Total quality factor
QTS
0.65

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
0.1
mH
VC Diameter
25
mm

Magnet

Force factor
Bl
4.2
N/A
Motor constant
Bl/√RE
2.05
N/√W

Diaphragm

Effective diameter
130
mm
Effective area
SD
123
cm²
Moving mass
MMS
9.3
g
Moving mass (without air load)
MMD
8.3
g

Suspensions

Stiffness
KMS
0.92
N/mm
Compliance
CMS
1085
µm/N
Equivalent volume to the compliance
VAS
23.2
L
Mechanical resistance
RMS
0.26
N·s/m

Dimensions

Nominal diameter
6.5
170
mm
Overall diameter
170
mm
Baffle cutout diameter
145
mm
Overall depth
73
mm
Flange thickness
5
mm
Mounting depth
68
mm
Volume occupied by the driver (estimated)
0.61
L
Net weight
2.2
kg
Micro-Precision 7.16 MK III Impedance

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