Ciare PA087
Full-range
3.5″ / 87 mm
Nominal diameter
74 Hz
Resonance
0.62
Q factor
83 dB
Sensitivity
± 2 mm
Linear excursion
80 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
82.8
dB
Thiele & Small parameters
Resonance frequency (free air)
fS
74.0
Hz
Mechanical quality factor
QMS
5.13
Electrical quality factor
QES
0.71
Total quality factor
QTS
0.62
Large signal parameters
Maximum linear excursion
xmax
2.0
mm
Air volume displaced at xmax
VD
6.6
cm³
Power handling
P
40
W
Program power
Pmax
80
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
5.6
Ω
Inductance (1kHz)
LE
0.27
mH
VC Diameter
25
mm
Former material
Kapton
Magnet
Force factor
Bl
3.45
N/A
Motor constant
Bl/√RE
1.46
N/√W
Air gap height
HAG
5
mm
Diaphragm
Effective diameter
65
mm
Effective area
SD
33
cm²
Moving mass
MMS
3.2
g
Moving mass (without air load)
MMD
3.1
g
Material
Cellulose
Suspensions
Stiffness
KMS
0.7
N/mm
Compliance
CMS
1420
µm/N
Equivalent volume to the compliance
VAS
2.2
L
Mechanical resistance
RMS
0.29
N·s/m
Surround material
Rubber
Dimensions
Nominal diameter
3.5
″
87
mm
Overall diameter
87
mm
Baffle cutout diameter
77
mm
Overall depth
50
mm
Flange thickness
5
mm
Mounting depth
45
mm
Volume occupied by the driver (estimated)
0.14
L
Net weight
0.6
kg
Frame material
Steel
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SpeakerbenchSimilar speaker drivers to Ciare PA087
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3″Full-range
fS
82 Hz
SD
30 cm²
80 - 20000 Hz
QTS
0.63
xmax
2.0 mm
SPL1W
83 dB
Bl/√RE
1.34
Pmax
60 W
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4″Woofer
fS
83 Hz
SD
50 cm²
70 - 10000 Hz
QTS
0.70
xmax
1.8 mm
SPL1W
83 dB
Bl/√RE
1.8
Pmax
70 W