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
4312A - JBL 4312A - Audiofanzine
JBL 4312G | 12-inch (300mm) 3-way Studio Monitor Bookshelf Loudspeaker
JBL 4312 Control Monitor Speakers | eBay
JBL 4312 Control Monitors - "Killer", With Stands - SOLD – Holt Hill Audio