Scan-Speak Discovery 15M/4624G00
Mid-range
5.5″ / 150 mm
Nominal diameter
100 Hz
Resonance
0.43
Q factor
91 dB
Sensitivity
± 1.5 mm
Linear excursion
180 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
90.9
dB
Thiele & Small parameters
Resonance frequency (free air)
fS
100
Hz
Mechanical quality factor
QMS
5.62
Electrical quality factor
QES
0.47
Total quality factor
QTS
0.43
Large signal parameters
Maximum linear excursion
xmax
1.5
mm
Maximum excursion before damage
xlim
8.0
mm
Air volume displaced at xmax
VD
12
cm³
Power handling
P
75
W
Program power
Pmax
180
W
Voice Coil
Nominal impedance
Z
4
Ω
DC resistance
RE
3.2
Ω
Inductance (1kHz)
LE
0.23
mH
VC Diameter
25
mm
Winding height
HVC
8
mm
Magnet
Force factor
Bl
5.3
N/A
Motor constant
Bl/√RE
2.96
N/√W
Air gap height
HAG
5
mm
Material
Ferrite
Diaphragm
Effective diameter
101
mm
Effective area
SD
80
cm²
Moving mass
MMS
6.2
g
Moving mass (without air load)
MMD
5.6
g
Material
Coated NRSC Fibre Glass
Suspensions
Stiffness
KMS
2.44
N/mm
Compliance
CMS
410
µm/N
Equivalent volume to the compliance
VAS
3.7
L
Mechanical resistance
RMS
0.69
N·s/m
Surround material
Foam
Dimensions
Nominal diameter
5.5
″
150
mm
Volume occupied by the driver (estimated)
0.4
L
Net weight
1.0
kg
Frame material
Aluminium
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QSpeakers
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SpeakerbenchSimilar speaker drivers to Scan-Speak 15M/4624G00
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5″Coaxial
fS
100 Hz
SD
85 cm²
100 - 18000 Hz
QTS
0.41
xmax
5.1 mm
SPL1W
91 dB
Bl/√RE
3.29
Pmax
240 W
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6″Woofer
fS
98 Hz
SD
138 cm²
100 - 4000 Hz
QTS
0.41
xmax
3.9 mm
SPL1W
92 dB
Bl/√RE
4.81
Pmax
350 W