JBL 4312 Studio Monitors, Highly Efficient... For Sale | Audiogon
JBL 4312G Classic 3-Way 12" Studio Monitor Bookshelf Loudspeakers Ghos — Safe and Sound HQ
jbl 4312 M | eBay
4312A - JBL 4312A - Audiofanzine
JBL 4312M Compact 3 Way LoudSpeaker Speaker Set Blue Line Harman Japan | eBay
Just picked up a set of super clean JBL 4312 Control Monitors to replace my Marantz Imperial 7s. The Sansui 881 powers them quite well! : r/vintageaudio