SEAS H1085-08 L18RCY/P

Woofer

8″ / 180 mm
Nominal diameter
33 Hz
Resonance
0.31
Q factor
88 dB
Sensitivity
± 4 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
87.7
dB
Frequency response
35 - 2500
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
33.0
Hz
Mechanical quality factor
QMS
2.01
Electrical quality factor
QES
0.37
Total quality factor
QTS
0.31

Large signal parameters

Maximum linear excursion
xmax
4.0
mm
Maximum excursion before damage
xlim
8.0
mm
Air volume displaced at xmax
VD
50
cm³
Power handling
P
80
W
Program power
Pmax
250
W

Voice Coil

Nominal impedance
Z
8
Ω
DC resistance
RE
5.6
Ω
Inductance (1kHz)
LE
0.92
mH
VC Diameter
26
mm
Winding height
HVC
14
mm

Magnet

Flux density
B
1.25
T
Force factor
Bl
6.5
N/A
Motor constant
Bl/√RE
2.75
N/√W
Air gap height
HAG
6
mm
Weight
0.42
kg

Diaphragm

Effective diameter
126
mm
Effective area
SD
125
cm²
Moving mass
MMS
12.7
g
Moving mass (without air load)
MMD
11.6
g

Suspensions

Stiffness
KMS
0.56
N/mm
Compliance
CMS
1800
µm/N
Equivalent volume to the compliance
VAS
38
L
Mechanical resistance
RMS
1.39
N·s/m

Dimensions

Nominal diameter
8
180
mm
Volume occupied by the driver (estimated)
0.57
L
Net weight
1.42
kg
SEAS H1085-08 L18RCY/P SPL & Impedance
SEAS H1085-08 L18RCY/P Dimensions

Export this driver to a simulation software:

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Similar woofers to SEAS H1085-08 L18RCY/P

Audes 75W87-4 Woofer
8Woofer
fS
34 Hz
SD
209 cm²
35 - 1000 Hz
QTS
0.34
xmax
5.5 mm
SPL1W
88 dB
Bl/√RE
4.92
Pmax
200 W