{"product_id":"sb-acoustics-sb12cacs25-ceramic-tiefmitteltoter","title":"SB12CACS25 \/ Ceramic","description":"\u003cp\u003eThe SB Acoustics SB12CACS25 4\" (10cm) midrange driver with Ceramic membrane is available in a 4 Ohm and 8 Ohm variant. The ultra-light and stiff membrane is driven by a powerful ferrite magnet. The resonance frequency around 50 Hz is well outside the usable range, allowing the driver to perform extremely linearly within the usable range and making it ideal for 2-way applications or as a pure midrange driver. The generously ventilated centering spider optimizes the rear compression behavior to a maximum and provides additional cooling.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures: \u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eVentilated aluminum die-cast chassis for optimal strength and low compression\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eCeramic membrane\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eSoft rubber edge with low damping for improved\u003c\/li\u003e\n\u003cli\u003esettling behavior\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eShort-circuit ring in the motor system for reduced distortions\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eNon-conductive glass fiber coil carrier for minimal damping\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eCCAW coil for reduced moving mass\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eDurable silver wires\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eVentilated pole shoe for reduced compression\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eData 4 Ohm variant: \u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eNominal impedance 4 Ω\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eFrequency range 110Hz - 3 kHz\u003c\/li\u003e\n\u003cli\u003eDirect current resistance, Re 3.1 Ω\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eInductance of the oscillating coil, Le 0.26 mH\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eEffective membrane area, Sd 50 cm2\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eWinding coil diameter 25.4 mm\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eHeight of the oscillating coil 15 mm\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eHeight of air gap 5 mm\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eLinear coil stroke (p-p) 10 mm\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eMagnetic flux density 1.07 T\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eWeight of the magnet 0.40 kg\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eNet weight 0.92 kg\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eFree air resonance, Fs 51 Hz\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eSensitivity (2.83 V \/ 1 m) 88 dB\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eMechanical Q-factor, Qms 4.89\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eElectrical Q-factor, Qes 0.33\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eTotal Q factor, Qts 0.31\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eMoving mass including air, Mms 6.1 g\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003ePower factor, Bl 4.3 Tm\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eEquivalence volume, VAS 5.7 liters\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eCompliance, Cms 1.60 mm\/N\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eMechanical loss, Rms 0.4 kg\/s\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eRated load capacity* 30 W\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eIEC 268-5, T\/S-Parameter measured on retracted drive units.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eData 8 Ohm variant: \u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eNominal impedance 8 Ω\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eFrequency range 110Hz - 3 kHz\u003c\/li\u003e\n\u003cli\u003eDirect current resistance, Re 6.4 Ω\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eInductance of the oscillating coil, Le 0.34 mH\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eEffective membrane area, Sd 50 cm2\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eWinding coil diameter 25.4 mm\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eHeight of the oscillating coil 15 mm\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eHeight of air gap 5 mm\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eLinear coil stroke (p-p) 10 mm\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eMagnetic flux density 1.07 T\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eWeight of the magnet 0.40 kg\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eNet weight 0.92 kg\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eFree air resonance, Fs 51 Hz\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eSensitivity (2.83 V \/ 1 m) 85.5 dB\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eMechanical Q-factor, Qms 4.85\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eElectrical Q-factor, Qes 0.4\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eTotal Q factor, Qts 0.37\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eMoving mass including air, Mms 5.3 g\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003ePower factor, Bl 5.2 Tm\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eEquivalence volume, VAS 6.5 liters\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eCompliance, Cms 1.84 mm\/N\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eMechanical loss, Rms 0.35 kg\/s\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eRated load capacity* 30 W\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eIEC 268-5, T\/S-Parameter measured on retracted drive units.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eDimensions:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0271\/9478\/5927\/t\/121\/assets\/4-sb12cacs25-4-drawing.jpg\" alt=\"SB12CACS25 \/ Ceramic\" data-original=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0271\/9478\/5927\/files\/4-SB12CACS25-4-DRAWING_480x480.jpg?v=1631213451\"\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"SB Acoustics","offers":[{"title":"4 Ohm","offer_id":40501088125107,"sku":"SB12CACS25-4","price":75.95,"currency_code":"EUR","in_stock":true},{"title":"8 Ohm","offer_id":40501088157875,"sku":"SB12CACS25-8","price":75.95,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0271\/9478\/5927\/files\/sb-acoustics-sb12cacs25-ceramic-4-10cm-tiefmitteltoner-masori-kaufen.webp?v=1778269407","url":"https:\/\/masori.de\/en\/products\/sb-acoustics-sb12cacs25-ceramic-tiefmitteltoter","provider":"Masori | Shop","version":"1.0","type":"link"}