Scan Speak 18 W 4531 G00 Revelator buy at hifisound.de

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18W/4531G00

The Revelator midrange and midwoofers, both well known for their sliced paper cone technology. The slices are filled with damping glue, which dramatically reduces break- up modes in the diaphragm. In combination with Scan-Speaks low-loss linear suspension and the patented Symmetrical Drive (SD-1) it represented a breakthrough in midrange clarity and overall smooth frequency response characteristics.

Key features:

Patented Symmetrical Drive Motor Design
Low-Loss linear suspension
Die cast Alu Chassis vented below spider
Sliced Cone (Controls Cone Breakups)
Low Damping SBR Rubber Surround
Large Ferrite Magnet System

Short data

Usage as	Bass-Midrange
Power Handling	70 Watt
Impedance	4 Ohm

Frequency from	33 Hz
Max. Frequency	5 kHz
Sound pressure	90 dB

Chassis-data

Overall dimensions	182 mm
Baffle cutout	156 mm
Depth (Total)	82.5 mm
Frame Material	Aluminium diecast
Membrane Type	Cone
Membrane Surround	Rubber
Membrane Material	Paper
Dustcap Material	Paper

Voice coil Ø	38 mm
Voice coil height	17.5 mm
Air gap height	5 mm
Magnet Ø	110 mm

Thiele-Small-Parameter

Resonance fs	fs: 33 Hz
Mechanical Q	Qms: 5.2
Electrical Q	Qes: 0.38
Total Q	Qts: 0.35
Equivalent Air-Volumen	Vas: 41.9 Liter
DC-Resistance	Re: 3.4 Ohm
Coil Inductance	Le: 0.3 mH

Mech. Compliance	Cms: 1.33 mm/N
Moving Mass	Mms: 17.5 g
mech. Resistance	Rms: 0.7 kg/s-¹
Max. Excursion +/-	Xmax: 11 mm
BL Product	Bl: 5.7 N/A
Membrane Area	Sd: 150 cm²
Sound pressure	dB: 90 SPL

Frequency & Impedance

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