JBL 2311 Professional Series Horn for 2" Drivers #18196 | Reverb
Vintage JBL 2311 2 Inch Throat Horns - One Pair - JBL Professional | eBay
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 Professional Series Horn for 2" Drivers #18196 | Reverb