SEAS H1215-08 CA18RNX

Woofer

8″ / 180 mm
Nominal diameter
35 Hz
Resonance
0.31
Q factor
88 dB
Sensitivity
± 6 mm
Linear excursion
250 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
88.2
dB
Frequency response
45 - 3000
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
35.0
Hz
Mechanical quality factor
QMS
1.90
Electrical quality factor
QES
0.37
Total quality factor
QTS
0.31

Large signal parameters

Maximum linear excursion
xmax
6.0
mm
Maximum excursion before damage
xlim
11.0
mm
Air volume displaced at xmax
VD
82
cm³
Power handling
P
80
W
Program power
Pmax
250
W

Voice Coil

Nominal impedance
Z
8
Ω
DC resistance
RE
5.8
Ω
Inductance (1kHz)
LE
1.2
mH
VC Diameter
39
mm
Winding height
HVC
18
mm

Magnet

Flux density
B
1.0
T
Force factor
Bl
7.2
N/A
Motor constant
Bl/√RE
2.99
N/√W
Air gap height
HAG
6
mm
Weight
0.64
kg

Diaphragm

Effective diameter
132
mm
Effective area
SD
136
cm²
Moving mass
MMS
14
g
Moving mass (without air load)
MMD
12.8
g

Suspensions

Stiffness
KMS
0.71
N/mm
Compliance
CMS
1400
µm/N
Equivalent volume to the compliance
VAS
33
L
Mechanical resistance
RMS
1.72
N·s/m

Dimensions

Nominal diameter
8
180
mm
Volume occupied by the driver (estimated)
0.78
L
Net weight
1.91
kg
SEAS H1215-08 CA18RNX SPL & Impedance
SEAS H1215-08 CA18RNX Dimensions

Export this driver to a simulation software:

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fS
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SD
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