Scan-Speak Discovery 22W/8534G00

Woofer

8″ / 220 mm
Nominal diameter
30 Hz
Resonance
0.39
Q factor
89 dB
Sensitivity
± 5.8 mm
Linear excursion
120 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
89.3
dB
Frequency response
30 - 5000
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
30.0
Hz
Mechanical quality factor
QMS
4.14
Electrical quality factor
QES
0.43
Total quality factor
QTS
0.39

Large signal parameters

Maximum linear excursion
xmax
5.8
mm
Maximum excursion before damage
xlim
12.0
mm
Air volume displaced at xmax
VD
136
cm³
Power handling
P
70
W
Program power
Pmax
120
W

Voice Coil

Nominal impedance
Z
8
Ω
DC resistance
RE
5.9
Ω
Inductance (1kHz, estimated)
LE
0.55
mH
VC Diameter
38
mm
Winding height
HVC
17.5
mm

Magnet

Force factor
Bl
7.8
N/A
Motor constant
Bl/√RE
3.21
N/√W
Air gap height
HAG
6
mm

Diaphragm

Effective diameter
173
mm
Effective area
SD
235
cm²
Moving mass
MMS
23.1
g
Moving mass (without air load)
MMD
20.4
g
Material
Coated Fibre Glass

Suspensions

Stiffness
KMS
0.82
N/mm
Compliance
CMS
1220
µm/N
Equivalent volume to the compliance
VAS
94.2
L
Mechanical resistance
RMS
1.05
N·s/m
Surround material
SBR Rubber

Dimensions

Nominal diameter
8
220
mm
Volume occupied by the driver
0.55
L
Net weight
2.1
kg
Frame material
Die cast Aluminium
Scan-Speak 22W/8534G00 SPL & Impedance
Scan-Speak 22W/8534G00 Dimensions

Export this driver to a simulation software:

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Similar woofers to Scan-Speak 22W/8534G00

Audes 75W104-8 Woofer
10Woofer
fS
30 Hz
SD
320 cm²
30 - 1000 Hz
QTS
0.35
xmax
4.5 mm
SPL1W
90 dB
Bl/√RE
4.39
Pmax
200 W