{"product_id":"celestion-lf-cast-chassis-ferrite-cf18vjd","title":"Celestion LF Cast Chassis Ferrite CF18VJD","description":"\u003cp\u003e* 18\" ferrite magnet, cast aluminium chassis LF driver delivering 1600Wrms (AES Standard) power handling and 97dB sensitivity\u003c\/p\u003e\r\n\r\n\u003cp\u003e \u003c\/p\u003e\r\n\r\n\u003cp\u003e* 5\" high temperature, dual layer, Inside\/Outside voice coil for higher efficiency, preventing sensitivity loss through thermal compression\u003c\/p\u003e\r\n\r\n\u003cp\u003e \u003c\/p\u003e\r\n\r\n\u003cp\u003e* FEA optimized magnet assembly delivers highly symmetrical cone - movement, leading to exceptionally low harmonic distortion\u003c\/p\u003e\r\n\r\n\u003cp\u003e \u003c\/p\u003e\r\n\r\n\u003cp\u003e* Vented front plate increases airflow to provide enhanced cooling\u003c\/p\u003e\r\n\r\n\u003cp\u003e \u003c\/p\u003e\r\n\r\n\u003cp\u003e* Twin demodulation rings reduce flux modulation, minimizing electromagnetic distortion\u003c\/p\u003e\r\n\r\n\u003cp\u003e \u003c\/p\u003e\r\n\r\n\u003cp\u003e* Double suspension and \"multi-roll\" surround provide exceptional linearity at extremes of cone excursion\u003c\/p\u003e\r\n\r\n\u003cp\u003e \u003c\/p\u003e\r\n\r\n\u003cp\u003e \u003c\/p\u003e\r\n\r\n\u003cp\u003e8 Ohm Frequency Response\u003c\/p\u003e\r\n\r\n\u003cp\u003e \u003c\/p\u003e\r\n\r\n\u003cp\u003e\u003cbr\u003e\r\n\u003cimg alt=\"\" src=\"http:\/\/www.citraintirama.com\/files\/upload\/graph%20(15).gif\"\u003e\u003c\/p\u003e\r\n\r\n\u003cp\u003e \u003c\/p\u003e\r\n\r\n\u003cp\u003e1. 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\/p\u003e\r\n\r\n\u003cp\u003e \u003c\/p\u003e\r\n\r\n\u003cp\u003e2. Measured on axis at 1W, 1m in 2p anechoic environment.\u003c\/p\u003e\r\n\r\n\u003cp\u003e \u003c\/p\u003e\r\n\r\n\u003cp\u003e3. Xmax derived from: (voice coil winding width-gap depth)\/2.\u003c\/p\u003e\r\n\u003cp\u003e\u003cs\u003e#\u003c\/s\u003e\u003c\/p\u003e\r\n\u003cp\u003eGeneral\u003c\/p\u003e\r\n\r\n\u003cp\u003e \u003c\/p\u003e\r\n\r\n\u003cp\u003e* Nominal diameter 460mm\/18in\u003c\/p\u003e\r\n\r\n\u003cp\u003e* Power rating (1) 1600Wrms\u003c\/p\u003e\r\n\r\n\u003cp\u003e* Nominal impedance 8 ohm\u003c\/p\u003e\r\n\r\n\u003cp\u003e* Sensitivity (2) 97dB\u003c\/p\u003e\r\n\r\n\u003cp\u003e* Frequency range 25Hz-1500Hz\u003c\/p\u003e\r\n\r\n\u003cp\u003e* Voice coil diameter 125mm\/5in\u003c\/p\u003e\r\n\r\n\u003cp\u003e* Chassis type Cast aluminium\u003c\/p\u003e\r\n\r\n\u003cp\u003e* Magnet type Ferrite\u003c\/p\u003e\r\n\r\n\u003cp\u003e* Coil material Round copper\u003c\/p\u003e\r\n\r\n\u003cp\u003e* Former material Glass fibre\u003c\/p\u003e\r\n\r\n\u003cp\u003e* Cone materialCarbon and Kevlar loaded paper\u003c\/p\u003e\r\n\r\n\u003cp\u003e* Surround material Cloth sealed\u003c\/p\u003e\r\n\r\n\u003cp\u003e* Suspension Double\u003c\/p\u003e\r\n\r\n\u003cp\u003e* Xmax (3) 9mm\/0.35in\u003c\/p\u003e\r\n\r\n\u003cp\u003e* Gap depth 12mm\/0.47in\u003c\/p\u003e\r\n\r\n\u003cp\u003e* Voice coil winding width 30mm\/1.18in\u003c\/p\u003e\r\n\r\n\u003cp\u003e \u003c\/p\u003e\r\n\r\n\u003cp\u003e \u003c\/p\u003e\r\n\r\n\u003cp\u003eSmall Signal Parameters\u003c\/p\u003e\r\n\r\n\u003cp\u003e \u003c\/p\u003e\r\n\r\n\u003cp\u003e* D 0.38m\/14.96in\u003c\/p\u003e\r\n\r\n\u003cp\u003e* Fs 34.3Hz\u003c\/p\u003e\r\n\r\n\u003cp\u003e* Mms 259.72g\/9.16oz\u003c\/p\u003e\r\n\r\n\u003cp\u003e* Qms 5.152\u003c\/p\u003e\r\n\r\n\u003cp\u003e* Qes 0.360\u003c\/p\u003e\r\n\r\n\u003cp\u003e* Mmd 238.11g\/8.39oz\u003c\/p\u003e\r\n\r\n\u003cp\u003e* Qts 0.336\u003c\/p\u003e\r\n\r\n\u003cp\u003e* Re 5.98O\u003c\/p\u003e\r\n\r\n\u003cp\u003e* Vas 150.58lt\/5.32ft3\u003c\/p\u003e\r\n\r\n\u003cp\u003e* BI 30.52Tm\u003c\/p\u003e\r\n\r\n\u003cp\u003e* Cms 0.083mm\/N\u003c\/p\u003e\r\n\r\n\u003cp\u003e* Rms 10.88kg\/s\u003c\/p\u003e\r\n\r\n\u003cp\u003e* Le (at 1kHz) 1.48mH\u003c\/p\u003e\r\n\r\n\u003cp\u003e \u003c\/p\u003e\r\n\r\n\u003cp\u003e \u003c\/p\u003e\r\n\r\n\u003cp\u003eMounting Information\u003c\/p\u003e\r\n\r\n\u003cp\u003e \u003c\/p\u003e\r\n\r\n\u003cp\u003e* Diameter 462mm\/18.19in\u003c\/p\u003e\r\n\r\n\u003cp\u003e* Overall depth 233mm\/9.17in\u003c\/p\u003e\r\n\r\n\u003cp\u003e* Cut-out diameter 416mm\/16.38in\u003c\/p\u003e\r\n\r\n\u003cp\u003e* Mounting slot dimensions 11mm x 7mm\/0.43in x 0.28in\u003c\/p\u003e\r\n\r\n\u003cp\u003e* Number of mounting slots 8\u003c\/p\u003e\r\n\r\n\u003cp\u003e* Mounting PCD range 432-441mm\/17.0-17.36in\u003c\/p\u003e\r\n\r\n\u003cp\u003e* Unit weight 23kg\/50.6lb\u003c\/p\u003e\r\n","brand":"Citra Intirama","offers":[{"title":"Default Title","offer_id":47485039804644,"sku":null,"price":0.0,"currency_code":"IDR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0789\/5302\/1668\/files\/849.png?v=1768897516","url":"https:\/\/citraintirama.com\/products\/celestion-lf-cast-chassis-ferrite-cf18vjd","provider":"Citra Intirama","version":"1.0","type":"link"}