34
4. Subwoofer mounting:
• Mount the subwoofers at the base of the screen and as close as possible to the wall/floor
intersection.
• Cluster the individual units together in order to take maximum advantage of mutual coupling.
• Watch out for rattles; use plenty of neoprene padding for isolation. (See Figure 45)
VIII. LISTING OF THX
®
APPROVED JBL PROFESSIONAL PRODUCTS
A. Screen systems:
3678
(3678-HF and 3678-LF)
3632T
(3632-M/HF-T and 4639)
4632T
(4632-M/HF-T and 4639)
4675C-8LF
(4675-HFA and 4648A-8)
5671
(5671-M/HF and 5641)
5671
(5674-M/HF and 4648A)
5674
(5674-M/HF and 5644)
B. Subwoofers:
4641
4645C
4642A
4642A-GS (with grilles)
C: Surround Systems:
8330A
8340A
Figure 45: Subwoofer placement, front and side section views.
