Scan Speak 18 W 8545-01 Carbon/Paper buy at hifisound.de

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18W/8545-01

This unit is an improved version of the highly praised 18W/8545-00 midwoofer, where a new aluminum chassis, an updated cone and a new spider as wells as a few other details are introduced, these updates improves mechanical stability and sound performance. High-quality magnet system design with patented Symmetric Drive (SD-1) continues to be key feature.

Key features:

Patented Symmetrical Drive Motor Design
42mm Voice Coil w. Alu foil
Low Damping SBR Rubber Surround
Coated Air Dried Paper/Carbon Fibre Cone
Low-Loss linear suspension
Aluminium Chassis

Short data

Usage as	Bass-Midrange
Power Handling	100 Watt
Impedance	8 Ohm

Frequency from	25 Hz
Max. Frequency	5 kHz
Sound pressure	88 dB

Chassis-data

Overall dimensions	177 mm
Baffle cutout	158 mm
Depth (Total)	74.5 mm
Frame Material	Aluminium diecast
Membrane Type	Cone
Membrane Material	Paper coated / Carbon Fibre

Voice coil Ø	42 mm
Voice coil height	19 mm
Air gap height	6 mm
Magnet Ø	121 mm

Thiele-Small-Parameter

Resonance fs	fs: 25 Hz
Mechanical Q	Qms: 1.55
Electrical Q	Qes: 0.22
Total Q	Qts: 0.20
Equivalent Air-Volumen	Vas: 68.6 Liter
DC-Resistance	Re: 5.7 Ohm
Coil Inductance	Le: 0.39 mH

Mech. Compliance	Cms: 2.3 mm/N
Moving Mass	Mms: 18 g
mech. Resistance	Rms: 1.8 kg/s-¹
Max. Excursion +/-	Xmax: 10 mm
BL Product	Bl: 8.4 N/A
Membrane Ø	Md: 136
Membrane Area	Sd: 145 cm²
Sound pressure	dB: 88 SPL

Frequency & Impedance

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