705P Master Reference Monitor: Cabinet Bottom Instability and Assembly Corner Separation
Table of Contents
Brand:
- JBL
Affected Products:
- 7 Series Master Reference Monitors
- 705P (705P-CH / Material: S/M, 705P-CH)
Summary:
- Reports indicated instances where JBL 705P monitor cabinets were not sitting flat or stable when placed on a surface. Analysis by Tijuana (TJ) manufacturing revealed two contributing assembly factors:
- The manual cabinet wrap/squaring process allowed joint corners to separate or form gaps before fastening.
- Excess sanding on units treated with primer created uneven "ramps" along the cabinet bottom.
Assembly Work Instructions (VJI0563 & VJI0566) have been updated to enforce cabinet squaring, temporary taping during wrap closure, and mandatory quality inspections to prevent uneven bottom surfaces.
Troubleshooting & Inspection Guidance:
If a 705P studio monitor is reported as unstable or rocking on a flat table:
Step 1: Visual and Surface Inspection
- Check Cabinet Flatness: Place the unit on a verified flat table or reference surface and check for rocking or uneven contact.
- Inspect Joints & Seams: Check the cabinet corners and bottom seams for visible gaps, separation, or uneven finish contours/ramping.
Step 2: Resolution
- Attempting to disassemble and re-assemble an affected cabinet field unit will not correct the structural defect.
- Units affected by cabinet warp or bottom unevenness should be replaced under warranty.