This Diaphragm Fits for JBL 2446, 2446H, 2447, 2447H, 2450, 2450H, 2451, 2451H, 2451SLH, 2452, 2452H driver / horn. replacement for the JBL part numb for Sale in Los Angeles, CA - OfferUp
Joseph Crowe's DIY Speaker Building Blog: Carbon Diaphragms for JBL 2446H