Amazon.com: SS Audio Diaphragm Compatible with JBL 2440, 2441, 2445, 16 Ohm, D-2445-16 : Electronics
Bernard Žvokelj on Twitter: "duelund pure copper foil test on JBL 2441 with 2311 horn 2308 lens radian 1245 alumunium https://t.co/FDbg56GD4g" / Twitter