Peerless FSL-1830R06-08
Subwoofer
18″ / 457 mm
Nominal diameter
31 Hz
Resonance
0.56
Q factor
93 dB
Sensitivity
± 9.4 mm
Linear excursion
1400 W
Program Power
Discontinued
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Available on (affiliate link)
Parts Express
$$$
Specifications
Sensitivity (1w, 1m, infinite baffle)
SPL1W
92.9
dB
Frequency response
40 - 400
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
30.6
Hz
Mechanical quality factor
QMS
12.86
Electrical quality factor
QES
0.59
Total quality factor
QTS
0.56
Large signal parameters
Maximum linear excursion
xmax
9.4
mm
Air volume displaced at xmax
VD
1152
cm³
Power handling
P
700
W
Program power
Pmax
1400
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
6.2
Ω
Inductance (1kHz)
LE
4.31
mH
VC Diameter
76
mm
Former material
Glass Fiber
Magnet
Force factor
Bl
20.41
N/A
Motor constant
Bl/√RE
8.21
N/√W
Air gap height
HAG
10
mm
Diaphragm
Effective diameter
395
mm
Effective area
SD
1225
cm²
Moving mass
MMS
206.2
g
Moving mass (without air load)
MMD
176.8
g
Suspensions
Stiffness
KMS
7.63
N/mm
Compliance
CMS
131
µm/N
Equivalent volume to the compliance
VAS
279
L
Mechanical resistance
RMS
3.08
N·s/m
Dimensions
Nominal diameter
18
″
457
mm
Volume occupied by the driver (estimated)
3.3
L
Net weight
7.5
kg
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SD
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SD
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