P81BB, P941BB OM 11/16/05 3:04 PM Page 1 JBL PERFORMANCE™ SERIES INSTALLATION INSTRUCTIONS P81BB P941BB BACK BOXES FOR P81 AND P941 LOUDSPEAKERS
P81BB, P941BB OM 11/16/05 3:04 PM Page 2 P81BB/P941BB BACK BOXES FOR P81 AND P941 LOUDSPEAKERS DOCUMENTATION CONVENTIONS This document contains general installation instructions for the JBL® Performance™ Series P81BB and P941BB Back Boxes. It is important to read this document before attempting to use this product. Pay particular attention to safety instructions.
P81BB, P941BB OM 11/16/05 3:04 PM Page 3 IMPORTANT SAFETY INSTRUCTIONS Read before starting installation: • Product contains fiberglass wool. • Disturbing the insulation in this product during installation, maintenance, or repair will expose you to fiberglass wool. Breathing this may cause lung cancer. Fiberglass wool is known to the state of California to cause cancer. • Fiberglass wool may also cause respiratory, skin and eye irritation.
P81BB, P941BB OM 11/16/05 3:04 PM Page 4 ABOUT THE BACK BOX INSTALLATION INSTRUCTIONS Thank you for purchasing the JBL Performance P81BB/P941BB Back Boxes, which are optional rear enclosures for the JBL P81 and P941 In-Wall Loudspeakers. The P81BB/P941BB Back Boxes which provide optimal volume for woofer alignment and reduce acoustic bleed-through to rooms adjacent to your listening area.
P81BB, P941BB OM 11/16/05 3:04 PM Page 5 TO INSTALL THE BACK BOX 3.375 inches (85.7mm) TOP Rear 1. Use a tape measure to determine the location where the speaker is to be mounted. Refer to the JBL P81/P941 In-Wall Loudspeaker owner’s manual for speaker placement considerations. Record exact measurements from the floor, ceiling and an adjacent drywall section.
P81BB, P941BB OM 11/16/05 3:04 PM Page 6 CAUTION Installers must adhere to local building codes to ensure proper installation. JBL is not responsible for any possible damage caused by improper installation. 4. Feed the power amplifier wires from the wall cavity down through the cable clamp located on top of the enclosure. Pull approximately two feet of wire through the clamp to create a generous service loop inside the enclosure for ease of hookup, as shown in Figure 6. 8.
P81BB, P941BB OM 11/16/05 3:04 PM Page 7 B A In-Wall Speaker Rear C Make Connections Observing Proper Polarity Binding Posts Insert Stripped Wires Into Exposed Holes Terminal Connectors Figure 9: Speaker Connections 13. Locate the loudspeaker’s binding posts, as shown in illustration A of Figure 9. From the top of the speaker, run the wires down to the loudspeaker’s binding posts, as shown in illustrations B and C. 14.
P81BB, P941BB OM 11/16/05 3:04 PM Page 8 ® JBL Consumer Products 250 Crossways Park Drive Woodbury, New York 11797 USA www.jbl.com © 2005 Harman International Industries, Incorporated. All rights reserved. Part No. 360863-001 All features and specifications are subject to change without notice. 11/05 JBL and Harman International are trademarks of Harman International Industries, Incorporated, registered in the United States and/or other countries.
