Scan Speak 18 W 4531G01 Paper-Wood buy at hifisound.de

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Scan Speak 18W/4531G01

18 cm Midwoofer
4 ohm, Sliced Woodfibre Cone, Large Ferrite Magnet

Patented Symmetrical Drive Motor Design
Wood Fibre Cone
Low Damping SBR Rubber Surround
Sliced Cone (Controls Cone Breakups)
Low-Loss linear suspension
Large Ferrite Magnet System

Short data

Usage as	Midrange
Power Handling	110 Watt
Impedance	4 Ohm

Frequency from	100 Hz
Max. Frequency	7000 kHz

Chassis-data

Overall dimensions	182.2 mm
Baffle cutout	156 mm
Depth (Total)	77.6 mm
Front material	Plastic
Frame Material	Aluminium diecast
Membrane Type	Konus
Membrane Surround	Rubber
Membrane Material	Paper
Dustcap Material	Fibreglass

Voice coil Ø	38 mm
Voice coil height	18 mm
Voice coil material	Fibreglass
Air gap height	110 mm
Magnet Ø	110 mm

Thiele-Small-Parameter

Resonance fs	fs: 34 Hz
Mechanical Q	Qms: 4.9
Electrical Q	Qes: 0.38
Total Q	Qts: 0.35
Equivalent Air-Volumen	Vas: 45.6 Liter
Coil Inductance	Le: 0.27 mH

Mech. Compliance	Cms: 1.3 mm/N
Moving Mass	Mms: 16.9 g
mech. Resistance	Rms: 0.74 kg/s-¹
Max. Excursion +/-	Xmax: 11 mm
BL Product	Bl: 5.7 N/A
Membrane Ø	Md: 142
Membrane Area	Sd: 157 cm²
Sound pressure	dB: 89 SPL

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