18W/8546-00 - Scan-Speak

Classic6½″ MidwooferType Number: 18W/8546-00Features:The Classic line consists of all the highly regarded transducersthat have been appraised and loved by so many customers overthe years. The goal has been to assemble all the diamonds,developed over the years, speakers that fully live up to theheritage of the brand.Driver Highlights: Low loss rubber surround, kevlar cone, SD-1motorSpecs:Electrical DataNominal impedanceMinimum impedanceMaximum impedanceDC resistanceVoice coil inductanceZn 8 ohmZmin -- ohmZo -- ohmRe 5.5 ohmLe 0.4 mHT-S ParametersResonance Frequencyfs 22 HzMechanical Q factor Qms 1.7Electrical Q factor Qes 0.22Total Q factor Qts 0.19Force factorBl 8 TmMechanical resistanceRms 1.5 Kg/sMoving massMms 18.5 gSuspension complianceCms -- mm/NEffective cone diameterD -- cmEffective piston areaSd 145 cmEquivalent volumeVas 84 ltrsSensitivity (2.83V/1m) 88 dBRatio BL/ √ (Re) --Ratio fs/Qts F --2Power handling100h RMS noise test (IEC)Long-term Max Power (IEC 18.3)Max linear SPL (rms) @ powerShort Term Max power (IEC 18.2)100 W-- W-- dB/W-- WVoice Coil and Magnet ParametersVoice coil diameter42 mmVoice coil height-- mmVoice coil layers --Height of the gap-- mmLinear excursion +/-6.5 mmMax mech. excursion +/-10 mmFlux density of gap-- mWbTotal useful flux-- mWbDiameter of magnet-- mmHeight of magnet-- mmWeight of magnet-- KgNotes:IEC specs refer to IEC 60268-5 third edition.All ScanSpeak products are RoHScompliant.

Frequency: 18W/8546-00Mechanical Dimensions:18W/8546-00Drawing DimensionsOutside DiameterFlange ThicknessMagnet DiameterCutout DiameterInterior DepthHole DiameterScrew Circle Diameter© 2009, ScanSpeak. All rights reserved.