Scan-Speak 15M/8631G00
Mid-range
5.5″ / 150 mm
Nominal diameter
42 Hz
Resonance
0.35
Q factor
87 dB
Sensitivity
± 3 mm
Linear excursion
110 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
87.0
dB
Thiele & Small parameters
Resonance frequency (free air)
fS
42.0
Hz
Mechanical quality factor
QMS
5.80
Electrical quality factor
QES
0.37
Total quality factor
QTS
0.35
Large signal parameters
Maximum linear excursion
xmax
3.0
mm
Maximum excursion before damage
xlim
8.0
mm
Air volume displaced at xmax
VD
29
cm³
Power handling
P
50
W
Program power
Pmax
110
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
5.9
Ω
Inductance (1kHz)
LE
0.22
mH
VC Diameter
38
mm
Winding height
HVC
11
mm
Magnet
Force factor
Bl
6.8
N/A
Motor constant
Bl/√RE
2.8
N/√W
Air gap height
HAG
5
mm
Material
Ferrite
Diaphragm
Effective diameter
110
mm
Effective area
SD
95
cm²
Moving mass
MMS
10.9
g
Moving mass (without air load)
MMD
10.2
g
Material
Sliced Paper
Suspensions
Stiffness
KMS
0.78
N/mm
Compliance
CMS
1280
µm/N
Equivalent volume to the compliance
VAS
16.2
L
Mechanical resistance
RMS
0.5
N·s/m
Dimensions
Nominal diameter
5.5
″
150
mm
Volume occupied by the driver (estimated)
0.69
L
Net weight
1.7
kg
Frame material
Aluminium
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QSpeakers
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SpeakerbenchSimilar speaker drivers to Scan-Speak 15M/8631G00
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6.5″Woofer
fS
40 Hz
SD
104 cm²
20 - 4000 Hz
QTS
0.32
xmax
7.0 mm
SPL1W
87 dB
Bl/√RE
3.12
Pmax
300 W
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6″Woofer
fS
45 Hz
SD
85 cm²
48 - 4000 Hz
QTS
0.33
xmax
4.4 mm
SPL1W
87 dB
Bl/√RE
2.33
Pmax
80 W
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6.5″Woofer
fS
42 Hz
SD
133 cm²
42 - 10000 Hz
QTS
0.34
xmax
4.0 mm
SPL1W
87 dB
Bl/√RE
4.35
Pmax
100 W