JBL Project EVEREST DD66000 User Manual

Also see for Project EVEREST DD66000: Datasheet User guide Brochure & specs Technical manual

Contents

grille removal

Project EVEREST DD66000CHAPTER 8Project EVEREST DD66000 Switch OperationsThe EVEREST DD66000 has 2 control panels underthe cover at the center bottom of the front baffle.Shorting bars or switches inside the control panelenable to switch orientation of the system andbiamplifier and also to adjust woofer andhigh-frequency levels. They also provide access tothe 9-volt batteries used for capacitor bias. Removethe control panel cover referring the illustrations onthe right, and make necessary adjustments.To change setups using shorting bars, use thesupplied hexagonal driver to remove the screwsfixing the bar. Then, move the bar according to setup you prefer. Then, putscrews back.Attention: As loose mounting screws on the terminals could cause bad contact,make sure that they are firmly affixed. However, if you screw too strong, thereis a risk of damaging the terminals themselves. Please use the suppliedhexagonal driver and tighten screws with reasonable torque.The Project EVEREST DD66000 can set up and adjust the following by usingthe above procedures.System OrientationThe two low frequency drivers operate over different ranges as described earlier.For proper imaging, it is necessary that the midrange woofer (LF2) be in theinboard position for the pair of systems. The proper setting of the systemorientation jumper bars can configure a single DD66000 system as either a “leftor right” system. It is necessary that both bars be moved together. Impropersound will result from staggering the bars. The bars select which woofer