Scan-Speak Revelator 15M/4531K00
Mid-range
5.5″ / 150 mm
Nominal diameter
35 Hz
Resonance
0.23
Q factor
88 dB
Sensitivity
± 3 mm
Linear excursion
150 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
88.1
dB
Thiele & Small parameters
Resonance frequency (free air)
fS
35.0
Hz
Mechanical quality factor
QMS
4.80
Electrical quality factor
QES
0.24
Total quality factor
QTS
0.23
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
150
W
Voice Coil
Nominal impedance
Z
4
Ω
DC resistance
RE
3.5
Ω
Inductance (1kHz)
LE
0.17
mH
VC Diameter
38
mm
Winding height
HVC
11
mm
Magnet
Force factor
Bl
6.0
N/A
Motor constant
Bl/√RE
3.21
N/√W
Air gap height
HAG
5
mm
Material
Ferrite
Diaphragm
Effective diameter
110
mm
Effective area
SD
95
cm²
Moving mass
MMS
11
g
Moving mass (without air load)
MMD
10.3
g
Material
Sliced Paper
Suspensions
Stiffness
KMS
0.53
N/mm
Compliance
CMS
1880
µm/N
Equivalent volume to the compliance
VAS
23.8
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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5″Woofer
fS
37 Hz
SD
95 cm²
37 - 4500 Hz
QTS
0.21
xmax
6.0 mm
SPL1W
88 dB
Bl/√RE
3.44
Pmax
300 W