BC18SG49-08 - Tymphany

BC/OC6½″ MidwooferType Number: BC18SG49-08Features:The BC/OC product line is known for its quality tweeters andmidwoofers. Designed in Denmark by our experienced team ofaudio engineers, Peerless BC/OC products can meet the mostdemanding needs for both volume and audio excellence. TheBC/OC product line has ferrofluid in the magnet gap for improvedcooling of the driver.Driver Highlights: Polymer-chassis, coated NRSC paper cone,magnetically shieldedSpecs:Electrical DataNominal impedance Zn 8 ohmMinimum impedance Zmin -- ohmMaximum impedance Zo -- ohmDC resistance Re 5.7 ohmVoice coil inductance Le 0.82 mHT-S ParametersResonance Frequency fs 46.9 HzMechanical Q factor Qms 2.68Electrical Q factor Qes 0.67Total Q factor Qts 0.54Force factor Bl 5 TmMechanical resistance Rms -- Kg/sMoving mass Mms 10 gSuspension compliance Cms -- mm/NEffective cone diameter D -- cmEffective piston area Sd 138 cm 2Equivalent volume Vas 31 ltrsSensitivity (2.83V/1m) 87 dBRatio BL/√(Re) --Ratio fs/Qts F --Power handling100h RMS noise test (IEC) -- WLong-term Max Power (IEC 18.3) 160 WMax linear SPL (rms) @ power -- dB/WShort Term Max power (IEC 18.2) 200 WVoice Coil and Magnet ParametersVoice coil diameter 25 mmVoice coil height 11.8 mmVoice coil layers --Height of the gap 4 mmLinear excursion +/- -- mmMax mech. excursion +/- -- 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 Tymphany products are RoHS compliant.

Frequency: BC18SG49-08Mechanical Dimensions:BC18SG49-08Tymphany and are trademarks of Tymphany Corporation. © 2009, Tymphany Corporation. All rights reserved. 012409