Scan-Speak Illuminator 15WU/8741T00

Mid Bass

6″ / 150 mm
Nominal diameter
35 Hz
Resonance
0.26
Q factor
87 dB
Sensitivity
± 9 mm
Linear excursion
150 W
Program Power
Scan-Speak 15WU/8741T00 Mid BassScan-Speak 15WU/8741T00 Mid BassScan-Speak 15WU/8741T00 Mid Bass
Impedance
Excursion
Velocity
SPL
Phase
Group delay
Step response
Tone Burst
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
86.5
dB
Frequency response
35 - 5000
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
35.0
Hz
Mechanical quality factor
QMS
3.37
Electrical quality factor
QES
0.28
Total quality factor
QTS
0.26

Large signal parameters

Maximum linear excursion
xmax
9.0
mm
Maximum excursion before damage
xlim
13.0
mm
Air volume displaced at xmax
VD
83
cm³
Power handling
P
80
W
Program power
Pmax
150
W

Voice Coil

Nominal impedance
Z
8
Ω
DC resistance
RE
5.9
Ω
Inductance (1kHz, estimated)
LE
0.37
mH
VC Diameter
42
mm
Winding height
HVC
8
mm

Magnet

Force factor
Bl
7.5
N/A
Motor constant
Bl/√RE
3.09
N/√W
Air gap height
HAG
20
mm
Material
Neodymium

Diaphragm

Effective diameter
108
mm
Effective area
SD
92
cm²
Moving mass
MMS
12.3
g
Moving mass (without air load)
MMD
11.6
g
Material
Paper sandwich

Suspensions

Stiffness
KMS
0.6
N/mm
Compliance
CMS
1680
µm/N
Equivalent volume to the compliance
VAS
19.9
L
Mechanical resistance
RMS
0.8
N·s/m

Dimensions

Nominal diameter
6
″
150
mm
Volume occupied by the driver
0.35
L
Net weight
1.7
kg
SPL & Impedance
Scan-Speak 15WU/8741T00 SPL & Impedance
Scan-Speak 15WU/8741T00 Dimensions
DatasheetDatasheet

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