12 inch Audio System Speaker Parts Pa Speaker
woofer General SpecificationsNominal
Diameter300/12mm/inchRated Impedance8ohmNominal Power
handling300WattsProgram
Power600WattsSensitivity(lw/lm)97dBFrequency
Range48.3-2.4KHzMinimum Impedance(Zmin)5.6ohmVoice Coil
Diameter75mm/inchVoice Coil Materialcopper Number of
layers2 Magnet gap depth10mmSurround
ShapeW-roll BasketCast Aluminium Magnet190 Mounting
InformationOverall Diameter323mmBolt Circle Diameter304mmBaffle
Cutout Diameter290mmOverall Depth153mmNet Weight7.05kgShipping
weight7.6kgShipping Box320*320*165mmThiele-Small
ParametersResonance frequencyFs78HzDC resistanceRe5.6ohmMechanical
factorQms3.34 Electrical factorQes0.44 Total
factorQts0.39 Mechanical complianceCms0.18mm/NMechanical
resistanceRms5.3mech-ohmof suspension lossesEffective Moving
MassMms59.9grHalf-space efficiencyEff1.76%BL
FactorBL15.2T.mEquivalent Cas air loadVas71.5litersVoice-coil
inductanceLelK0.7mHINTRODUCTIONHengda Audio is a professinal
speaker manufacturer with experience in the PA speaker
field for 10years. We make different
tranducers, compression drivers. We not only provide goods but
technology. OEM and ODM are both welcome. /* March 10, 2023
17:59:20 */!function(){function s(e,r){var
a,o={};try{e&&e.split(",").forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
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