Audes 75W87-8

4Ω
8Ω

Woofer

8″ / 203 mm
Nominal diameter
36 Hz
Resonance
0.31
Q factor
88 dB
Sensitivity
± 4.5 mm
Linear excursion
200 W
Program Power
Audes 75W87-8 Woofer
Impedance
Excursion
Velocity
SPL
Phase
Group delay
Step response
Tone Burst
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
88.1
dB
Frequency response
40 - 1000
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
36.0
Hz
Mechanical quality factor
QMS
1.99
Electrical quality factor
QES
0.37
Total quality factor
QTS
0.31

Large signal parameters

Maximum linear excursion
xmax
4.5
mm
Air volume displaced at xmax
VD
94
cm³
Power handling
P
130
W
Program power
Pmax
200
W

Voice Coil

Nominal impedance
Z
8
Ω
DC resistance
RE
6.4
Ω
Inductance (1kHz)
LE
1.1
mH
VC Diameter
50
mm
Winding height
HVC
16
mm

Magnet

Force factor
Bl
11.1
N/A
Motor constant
Bl/√RE
4.39
N/√W
Air gap height
HAG
7
mm
Weight
1.36
kg

Diaphragm

Effective diameter
163
mm
Effective area
SD
209
cm²
Moving mass
MMS
32.2
g
Moving mass (without air load)
MMD
30
g

Suspensions

Stiffness
KMS
1.61
N/mm
Compliance
CMS
620
µm/N
Equivalent volume to the compliance
VAS
38.2
L
Mechanical resistance
RMS
3.64
N·s/m

Dimensions

Nominal diameter
8
″
203
mm
Volume occupied by the driver (estimated)
1.4
L
Net weight
3.2
kg
SPL & Impedance
Audes 75W87-8 SPL & Impedance
Audes 75W87-8 Dimensions

Export this driver to a simulation software:

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Similar woofers to Audes 75W87-8

Audes 75W87-4 Woofer
Audes  75W87-44 Ω
8″Woofer
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