JBL 4311 Control Room Monitor System (1973)
A product of JBL’s long experience and intimate involvement with the recording industry, the 4311 is a powerful, yet compact, monitor loudspeaker system. Its wide-band reproduction at loudness levels required in professional work make the 4311 ideally suited for control room installations. small studios, mixdown facilities, broadcast monitors and portable playback systems.
Link for PDF: JBL 4311 Control Room Monitor System (1973)
https://aboutprosound.com/wp-content/uploads/2022/09/JBBL-4311-Control-Room-Monitor-1973.pdf
