Scan-Speak 18W/8542-10
Mid Bass
8″ / 180 mm
Nominal diameter
43 Hz
Resonance
0.35
Q factor
88 dB
Sensitivity
± 6.5 mm
Linear excursion
130 W
Program Power
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- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 88.2
- dB
- Frequency response
- 43 - 3000
- Hz
- Resonance frequency (free air)
- fS
- 43.0
- Hz
- Mechanical quality factor
- QMS
- 1.70
- Electrical quality factor
- QES
- 0.44
- Total quality factor
- QTS
- 0.35
- Maximum linear excursion
- xmax
- 6.5
- mm
- Maximum excursion before damage
- xlim
- 10.0
- mm
- Air volume displaced at xmax
- VD
- 88
- cm³
- Power handling
- P
- 70
- W
- Program power
- Pmax
- 130
- W
- Nominal impedance
- Z
- 8
- Ω
- DC resistance
- RE
- 5.7
- Ω
- Inductance (1kHz, estimated)
- LE
- 0.38
- mH
- VC Diameter
- 42
- mm
- Winding height
- HVC
- 19
- mm
- Force factor
- Bl
- 6.9
- N/A
- Motor constant
- Bl/√RE
- 2.89
- N/√W
- Air gap height
- HAG
- 6
- mm
- Effective diameter
- 131
- mm
- Effective area
- SD
- 135
- cm²
- Moving mass
- MMS
- 13.6
- g
- Moving mass (without air load)
- MMD
- 12.4
- g
- Material
- Paper/Nylon Fibre
- Stiffness
- KMS
- 1.0
- N/mm
- Compliance
- CMS
- 1000
- µm/N
- Equivalent volume to the compliance
- VAS
- 26
- L
- Mechanical resistance
- RMS
- 2.1
- N·s/m
- Surround material
- Coated Foam
- Nominal diameter
- 8
- ″
- 180
- mm
- Volume occupied by the driver
- 0.54
- L
- Net weight
- 2.2
- kg
- Frame material
- Die cast Aluminium
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
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