6.5″ / 180 mm
Nominal diameter
50 Hz
Resonance
0.43
Q factor
89 dB
Sensitivity
± 4.2 mm
Linear excursion
170 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
88.9
dB
Thiele & Small parameters
Resonance frequency (free air)
fS
50.0
Hz
Mechanical quality factor
QMS
7.58
Electrical quality factor
QES
0.46
Total quality factor
QTS
0.43
Large signal parameters
Maximum linear excursion
xmax
4.2
mm
Maximum excursion before damage
xlim
8.0
mm
Air volume displaced at xmax
VD
58
cm³
Power handling
P
55
W
Program power
Pmax
170
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
5.6
Ω
Inductance (1kHz)
LE
0.55
mH
VC Diameter
32
mm
Winding height
HVC
13.4
mm
Magnet
Force factor
Bl
7.2
N/A
Motor constant
Bl/√RE
3.04
N/√W
Air gap height
HAG
5
mm
Material
Ferrite
Diaphragm
Effective diameter
132
mm
Effective area
SD
137
cm²
Moving mass
MMS
13.7
g
Moving mass (without air load)
MMD
12.4
g
Material
Coated NRSC Fibre Glass
Suspensions
Stiffness
KMS
1.35
N/mm
Compliance
CMS
740
µm/N
Equivalent volume to the compliance
VAS
19.5
L
Mechanical resistance
RMS
0.57
N·s/m
Surround material
SBR Rubber
Dimensions
Nominal diameter
6.5
″
180
mm
Volume occupied by the driver (estimated)
0.52
L
Net weight
1.3
kg
Frame material
Aluminium
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Export this driver to a simulation software:
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
MfbLabs
SpeakerbenchSimilar woofers to Scan-Speak 18W/8434G00
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6 x 9″3 Way
fS
50 Hz
SD
223 cm²
30 - 24000 Hz
QTS
0.43
xmax
4.0 mm
SPL1W
89 dB
Bl/√RE
4.16
Pmax
260 W
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6.5″Mid Bass
fS
50 Hz
SD
137 cm²
40 - 4000 Hz
QTS
0.48
xmax
4.0 mm
SPL1W
88 dB
Bl/√RE
3.0
Pmax
170 W