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
Vintage HiFi Club JBL 4312 mkII Control Monitor - Vintage HiFi Club
JBL - 4312 MKii Control Monitor - Speaker set - Catawiki
JBL 4312 (Pair) | Reverb
JBL 4312 mk2 | Speakers | Gumtree Australia Hawkesbury Area - Colo Heights | 1309141398
JBL 4312 Monitor Loudspeaker System Manual | HiFi Engine
Jbl 4312 mkII control monitor 藍色版本, 音響器材, Soundbar、揚聲器、藍牙喇叭、耳擴- Carousell
JBL 4312-MK2 4312B- MK2 crossovers NEW (each) | eBay