JBL 2311 horns and JBL 2440 drivers with original diaphragms Photo #575554 - US Audio Mart
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
JBL 2311 Short Horn, Fits 2440 and others (Lowered Price) Photo #1281040 - UK Audio Mart