Offered for sale is a rare and original pair of JBL 4312 Control Monitors, manufactured in the USA (Northridge, California) in the 1970s. These are not reissues or later variants — this is the real deal: the iconic studio monitor used in professional environments for decades.

Specs:

  • Model: JBL 4312 (original US version)
  • Configuration: 3-way with 12” woofer, midrange driver, and tweeter
  • Adjustable mid and high-frequency controls
  • Beautiful walnut veneer cabinets
  • Serial numbers in the 67xxx range
  • All original drivers

Cabinets in decent vintage condition with some age-related marks.

One woofer has a minor cosmetic issue near the dust cap 

Functioning tested, works perfectly.






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Listed3 months ago
ConditionVery Good (Used)
Very Good items may show a few slight marks or scratches but are fully functional and in overall great shape.Learn more
Brand
Model
  • JBL 4312 Control Monitor
Finish
  • Black
Categories
Year
  • 1970s
Made In
  • United States

Product safety information may be available here.

Stefan's Gear Locker

Linden, Belgium
Joined Reverb:2025

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