Scan Speak 18 WU 8747 T00 buy at hifisound.de

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18WU 8747 T00

The Illuminator midranges and midwoofers are in every aspect unusual designs with the open construction, the extremely long linear excursion and patented under-hung SD-3 (Symmetrical Drive) neodymium motor system, which due to copper caps and its construction ensures very low distortion, adding the unique patented cones, low-loss linear suspension the result is: “The Very Best Money Can Buy”!

Key features:

Under-Hung Neodymium Motor Design
Patented Sandwich Paper Cone
Low-loss linear suspension
Patented Symmetrical Drive (SD-3)
Exceptionally Long Linear Excursion
Patented Design

Short data

Usage as	Bass-Midrange
Power Handling	80 Watt
Impedance	8 Ohm

Frequency from	30 Hz
Max. Frequency	5 kHz
Sound pressure	85.5 dB

Chassis-data

Overall dimensions	184 mm
Baffle cutout	158 mm
Depth (Total)	97.3 mm
Frame Material	Aluminium diecast
Membrane Type	Cone
Membrane Surround	Rubber
Membrane Material	Paper

Voice coil Ø	42 mm
Voice coil height	8 mm
Air gap height	20 mm
Magnet Ø	90 mm
Magnet-height	4 mm
Magnet-weight	130 g

Thiele-Small-Parameter

Resonance fs	fs: 33 Hz
Mechanical Q	Qms: 3.31
Electrical Q	Qes: 0.35
Total Q	Qts: 0.31
Equivalent Air-Volumen	Vas: 42 Liter
DC-Resistance	Re: 5.9 Ohm
Coil Inductance	Le: 0.41 mH

Mech. Compliance	Cms: 1.46 mm/N
Moving Mass	Mms: 16 g
mech. Resistance	Rms: 1 kg/s-¹
Max. Excursion +/-	Xmax: 9 mm
BL Product	Bl: 7.5 N/A
Membrane Area	Sd: 154 cm²
Sound pressure	dB: 85.5 SPL

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