Scan-Speak Illuminator 18WU/4741T00
Mid Bass
8″ / 180 mm
Nominal diameter
34 Hz
Resonance
0.36
Q factor
88 dB
Sensitivity
± 9 mm
Linear excursion
150 W
Program Power
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- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 87.5
- dB
- Frequency response
- 34 - 4000
- Hz
- Resonance frequency (free air)
- fS
- 34.0
- Hz
- Mechanical quality factor
- QMS
- 3.76
- Electrical quality factor
- QES
- 0.39
- Total quality factor
- QTS
- 0.36
- Maximum linear excursion
- xmax
- 9.0
- mm
- Maximum excursion before damage
- xlim
- 16.0
- mm
- Air volume displaced at xmax
- VD
- 139
- cm³
- Power handling
- P
- 70
- W
- Program power
- Pmax
- 150
- W
- Nominal impedance
- Z
- 4
- Ω
- DC resistance
- RE
- 3.3
- Ω
- Inductance (1kHz, estimated)
- LE
- 0.27
- mH
- VC Diameter
- 42
- mm
- Winding height
- HVC
- 8
- mm
- Force factor
- Bl
- 5.9
- N/A
- Motor constant
- Bl/√RE
- 3.25
- N/√W
- Air gap height
- HAG
- 20
- mm
- Material
- Neodymium
- Effective diameter
- 140
- mm
- Effective area
- SD
- 154
- cm²
- Moving mass
- MMS
- 19.1
- g
- Moving mass (without air load)
- MMD
- 17.7
- g
- Material
- Paper sandwich
- Stiffness
- KMS
- 0.83
- N/mm
- Compliance
- CMS
- 1200
- µm/N
- Equivalent volume to the compliance
- VAS
- 38.4
- L
- Mechanical resistance
- RMS
- 1.1
- N·s/m
- Nominal diameter
- 8
- ″
- 180
- mm
- Volume occupied by the driver
- 0.45
- L
- Net weight
- 1.7
- kg
Thiele & Small parameters
Large signal parameters
Voice Coil
Magnet
Diaphragm
Suspensions
Dimensions
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Export this driver to a simulation software:
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
MfbLabs
Speakerbench.png.webp)
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