JBL Speaker System User Manual

HORIZONTAL VERTICALBoundary Loading - This is a good trick for increasing basswithout taxing the amplifier. It is also possible to make a systemsound too "muddy", so use caution. If you move the speaker fromopen space to a wall, bass notes will increase by + 3dB. If youmove it to a 2 boundary corner, another t3dB ...and another t3dBfor a three boundary corner! (see diag. 4).frequencies go where you point them.Simply aim the center axis of thespeaker into the plane slightly abovethe listening area. The 90" x 90"horns of the Control@ContractorSeries disperse the high notes by 45"off axis in every direction. For large orunusually shaped rooms, divide thearea into zones and let the hornpatterns dictate the spacing betweenthe speakers (see diag. 5)-AMPLIFIER -fTYPICAL DAISY CHAIN CONFIGURATIONTYPICAL "HOME RUN" CONFIGURATIONDaisy Chaining - It is most common, easiest, and cheapestto run wires from the amp to a speaker, then from thatspeaker to another (see diag. 6A).Home Runs - If you desire true stereo L & R from eachlistening position, "home runs" are best, from the amplifierdirectly to each speaker (see diag. 6B).