Bernard Žvokelj on X: "#JBL L88 plus 12 speakers. These are a rare version of L100 speakers with the M12 upgrade kit and mid range adition, they are acoustically identical to L100
L88 PLUS JBL - HiFi-Do McIntosh/JBL/audio-technica/Jeff Rowland/Accuphase
△▽JBL L88 Plus 12 L88P/M12 スピーカーペア△▽010541002J-2△▽ | fgaeet.org
Used jbl 88 plus 12 for Sale | HifiShark.com
My set - Sansui AU11000A, Dual 604 with Shure V15-III, Marantz CD73, JBL L88 Plus 12 : r/vintageaudio