JBL 4312BMkII User Manual

12 Inch 3-Way Studio Monitor
Model 4312BMkII
4312MkIIWX
Owner's Manual
The 4312BMlII and 4312MkIIWX are new members of the classic 4312 family of bookshelf studio monitors. This
line dates back to 1968 with the original 4310. The B and WX differ from each other in finish. The WX is
traditional oiled walnut whereas the B is black tolex vinyl.
MID FREQUENCY LEVEL
JBL Incorporated, Northridge, California, USA
MODEL 4312B MKII CONTROL MONITOR
HIGH FREQUENCY LEVEL
JBL Incorporated

JBL 4312BMkII Specifications

General

Sensitivity	93dB (2.83V/1m)
Woofer	12-inch (300 mm)
Midrange	5-inch (125mm) polymer-coated pulp cone midrange (105H-1)
Tweeter	1-inch (25mm) magnesium/aluminum alloy dome tweeter (054ALMg-1)
Nominal Impedance	8 ohms