{"product_id":"lowersubstitute-e5769","title":"Celestion TF1225 8 ohm 12\" Bass\/Mid Driver Pressed Steel Chassis\/Ferrite Magnet","description":"\u003cp\u003e\u003cfont style=\"font-family: Arial;\" size=\"5\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eDescription:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/font\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-family: Arial; color: rgb(0, 0, 152);\"\u003e12-inch pressed steel chassis, ferrite magnet bass\/mid driver.\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cfont style=\"font-family: Arial;\" size=\"5\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/font\u003e\u003c\/p\u003e\r\n\u003cul\u003e\r\n  \u003cli\u003e\u003cspan style=\"font-family: Arial;\"\u003eNominal diameter: 305mm \/ 12in\u003c\/span\u003e\u003c\/li\u003e\r\n  \u003cli\u003e\u003cspan style=\"font-family: Arial;\"\u003ePower rating: 250W\u003c\/span\u003e\u003c\/li\u003e\r\n  \u003cli\u003e\u003cspan style=\"font-family: Arial;\"\u003eContinuous power rating: 500W\u003c\/span\u003e\u003c\/li\u003e\r\n  \u003cli\u003e\u003cspan style=\"font-family: Arial;\"\u003eEIA power rating: 400W\u003c\/span\u003e\u003c\/li\u003e\r\n  \u003cli\u003e\u003cspan style=\"font-family: Arial;\"\u003eRated impedance: 8Ω\u003c\/span\u003e\u003c\/li\u003e\r\n  \u003cli\u003e\u003cspan style=\"font-family: Arial;\"\u003eSensitivity: 97dB\u003c\/span\u003e\u003c\/li\u003e\r\n  \u003cli\u003e\u003cspan style=\"font-family: Arial;\"\u003eFrequency range: 50-4000Hz\u003c\/span\u003e\u003c\/li\u003e\r\n  \u003cli\u003e\u003cspan style=\"font-family: Arial;\"\u003eChassis type: Pressed steel\u003c\/span\u003e\u003c\/li\u003e\r\n  \u003cli\u003e\u003cspan style=\"font-family: Arial;\"\u003eMagnet type: Ferrite\u003c\/span\u003e\u003c\/li\u003e\r\n  \u003cli\u003e\u003cspan style=\"font-family: Arial;\"\u003eMagnet weight: 1.2kg \/ 42oz\u003c\/span\u003e\u003c\/li\u003e\r\n  \u003cli\u003e\u003cspan style=\"font-family: Arial;\"\u003eVoice coil diameter: 64mm \/ 2.5in\u003c\/span\u003e\u003c\/li\u003e\r\n  \u003cli\u003e\u003cspan style=\"font-family: Arial;\"\u003eVoice coil material: Round copper\u003c\/span\u003e\u003c\/li\u003e\r\n  \u003cli\u003e\u003cspan style=\"font-family: Arial;\"\u003eFormer material: Polyimide\u003c\/span\u003e\u003c\/li\u003e\r\n  \u003cli\u003e\u003cspan style=\"font-family: Arial;\"\u003eCone material: Kevlar loaded paper\u003c\/span\u003e\u003c\/li\u003e\r\n  \u003cli\u003e\u003cspan style=\"font-family: Arial;\"\u003eSurround material: Cloth-sealed\u003c\/span\u003e\u003c\/li\u003e\r\n  \u003cli\u003e\u003cspan style=\"font-family: Arial;\"\u003eSuspension: Single\u003c\/span\u003e\u003c\/li\u003e\r\n  \u003cli\u003e\u003cspan style=\"font-family: Arial;\"\u003eGap height (Hg): 8mm \/ 0.31in\u003c\/span\u003e\u003c\/li\u003e\r\n  \u003cli\u003e\u003cspan style=\"font-family: Arial;\"\u003eVC winding height (Hvc): 13mm \/ 0.51in\u003c\/span\u003e\u003c\/li\u003e\r\n  \u003cli\u003e\u003cspan style=\"font-family: Arial;\"\u003eAdditional impedances: 4Ω\u003c\/span\u003e\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003cp\u003e\u003cspan style=\"font-family: Arial;\"\u003e\u003cstrong\u003e\u003cfont size=\"5\"\u003eMounting Information:\u003c\/font\u003e\u003cbr\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cul\u003e\r\n  \u003cli\u003e\u003cspan style=\"font-family: Arial;\"\u003eOverall diameter: 309mm \/ 12.17in\u003c\/span\u003e\u003c\/li\u003e\r\n  \u003cli\u003e\u003cspan style=\"font-family: Arial;\"\u003eOverall depth: 130mm \/ 5.1in\u003c\/span\u003e\u003c\/li\u003e\r\n  \u003cli\u003e\u003cspan style=\"font-family: Arial;\"\u003eCut-out diameter: 283mm \/ 11.14in\u003c\/span\u003e\u003c\/li\u003e\r\n  \u003cli\u003e\u003cspan style=\"font-family: Arial;\"\u003eMounting hole dimensions: 7.9mm \/ 0.31in Ø\u003c\/span\u003e\u003c\/li\u003e\r\n  \u003cli\u003e\u003cspan style=\"font-family: Arial;\"\u003eNumber of mounting holes: 4\u003c\/span\u003e\u003c\/li\u003e\r\n  \u003cli\u003e\u003cspan style=\"font-family: Arial;\"\u003eMounting hole PCD: 297mm \/ 11.69in\u003c\/span\u003e\u003c\/li\u003e\r\n  \u003cli\u003e\u003cspan style=\"font-family: Arial;\"\u003eUnit weight: 4.1kg \/ 9.0lb\u003c\/span\u003e\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003cp\u003e\u003cspan style=\"font-family: Arial;\"\u003e\u003cstrong\u003e\u003cfont size=\"5\"\u003ePacked Dimensions \u0026amp; Weight:\u003c\/font\u003e\u003cbr\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cul\u003e\r\n  \u003cli\u003e\u003cspan style=\"font-family: Arial;\"\u003eSingle pack size W x D x H: 330mm x 330mm x 150mm \/ 13in x 13in x 5.9in\u003c\/span\u003e\u003c\/li\u003e\r\n  \u003cli\u003e\u003cspan style=\"font-family: Arial;\"\u003eSingle pack weight: 4.6kg \/ 10.1lb\u003c\/span\u003e\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003cp\u003e\u003cspan style=\"font-family: Arial;\"\u003e\u003cstrong\u003e\u003cfont size=\"5\"\u003eParameters:\u003c\/font\u003e\u003cbr\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cul\u003e\r\n  \u003cli\u003e\u003cspan style=\"font-family: Arial;\"\u003eSd: 530.93cm2 \/ 82.29in2\u003c\/span\u003e\u003c\/li\u003e\r\n  \u003cli\u003e\u003cspan style=\"font-family: Arial;\"\u003eFs: 55.60Hz\u003c\/span\u003e\u003c\/li\u003e\r\n  \u003cli\u003e\u003cspan style=\"font-family: Arial;\"\u003eMms: 48.52g \/ 1.71oz\u003c\/span\u003e\u003c\/li\u003e\r\n  \u003cli\u003e\u003cspan style=\"font-family: Arial;\"\u003eQms: 3.112\u003c\/span\u003e\u003c\/li\u003e\r\n  \u003cli\u003e\u003cspan style=\"font-family: Arial;\"\u003eQes: 0.420\u003c\/span\u003e\u003c\/li\u003e\r\n  \u003cli\u003e\u003cspan style=\"font-family: Arial;\"\u003eQts: 0.370\u003c\/span\u003e\u003c\/li\u003e\r\n  \u003cli\u003e\u003cspan style=\"font-family: Arial;\"\u003eRe: 5.08Ω\u003c\/span\u003e\u003c\/li\u003e\r\n  \u003cli\u003e\u003cspan style=\"font-family: Arial;\"\u003eVas: 67.27l \/ 2.38ft3\u003c\/span\u003e\u003c\/li\u003e\r\n  \u003cli\u003e\u003cspan style=\"font-family: Arial;\"\u003eBI: 14.32Tm\u003c\/span\u003e\u003c\/li\u003e\r\n  \u003cli\u003e\u003cspan style=\"font-family: Arial;\"\u003eCms: 0.17mm\/N\u003c\/span\u003e\u003c\/li\u003e\r\n  \u003cli\u003e\u003cspan style=\"font-family: Arial;\"\u003eRms: 5.45kg\/s\u003c\/span\u003e\u003c\/li\u003e\r\n  \u003cli\u003e\u003cspan style=\"font-family: Arial;\"\u003eLe (at 1kHz): 0.86mH\u003c\/span\u003e\u003c\/li\u003e\r\n  \u003cli\u003e\u003cspan style=\"font-family: Arial;\"\u003eXmax: 4.5mm \/ 0.18in\u003c\/span\u003e\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003cp\u003e\u003cspan style=\"font-family: Arial;\"\u003e\u003cstrong\u003e\u003cfont size=\"5\"\u003eMeasurement Notes:\u003c\/font\u003e\u003cbr\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cul\u003e\r\n  \u003cli\u003e\u003cspan style=\"font-family: Arial;\"\u003ePower rating: Tested for two hours using a continuous, band-limited pink noise signal as per AES standard. Power calculated on minimum impedance. Loudspeaker tested in free air.\u003c\/span\u003e\u003c\/li\u003e\r\n  \u003cli\u003e\u003cspan style=\"font-family: Arial;\"\u003eContinuous power rating: Defined as 3dB greater than the AES rating.\u003c\/span\u003e\u003c\/li\u003e\r\n  \u003cli\u003e\u003cspan style=\"font-family: Arial;\"\u003eSensitivity: Measured on axis at 1W, 1m in 2π anechoic environment.\u003c\/span\u003e\u003c\/li\u003e\r\n  \u003cli\u003e\u003cspan style=\"font-family: Arial;\"\u003eParameters: Measured after unit subjected to pre-conditioning signal.\u003c\/span\u003e\u003c\/li\u003e\r\n  \u003cli\u003e\u003cspan style=\"font-family: Arial;\"\u003eXmax: 0.5*(Hvc-Hg) + 0.25*Hg\u003c\/span\u003e\u003c\/li\u003e\r\n\u003c\/ul\u003e","brand":"Celestion","offers":[{"title":"Default Title","offer_id":52223453528365,"sku":"TF1225 8 ohm","price":93.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0672\/0805\/3037\/files\/3002212.jpg?v=1784082272","url":"https:\/\/audiosavings.com\/products\/lowersubstitute-e5769","provider":"Audio Savings","version":"1.0","type":"link"}