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
JBL 4312 MII Compact Monitor - YouTube
Vintage JBL 4312 Control Monitor Speakers pair - Sound Great!! Don't Miss Out!! | #1691004266
JBL 4312A Studio Monitors in Mint Condition. | Home theater surround sound, Studio monitors, Hifi audio
JBL 4312 Monitor Loudspeaker System Manual | HiFi Engine
ヤフオク! - 美品 JBL 4312 CONTROL MONITOR 希少色 GY グレ...
Are These 4312a Control Monitor Crossovers?
JBL 4312 CONTROL MONITOR, Nearly Perfect Photo #1369679 - Canuck Audio Mart