JBL manual Chapter, Project EVEREST DD66000 Switch Operations, System Orientation

Models: DD66000

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Project EVEREST DD66000 Switch Operations

Project EVEREST DD66000

CHAPTER 8

Project EVEREST DD66000 Switch Operations

The EVEREST DD66000 has 2 control panels under the cover at the center bottom of the front baffle. Shorting bars or switches inside the control panel enable to switch orientation of the system and biamplifier and also to adjust woofer and high-frequency levels. They also provide access to the 9-volt batteries used for capacitor bias. Remove the control panel cover referring the illustrations on the right, and make necessary adjustments.

To change setups using shorting bars, use the supplied hexagonal driver to remove the screws

fixing the bar. Then, move the bar according to setup you prefer. Then, put screws 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, there is a risk of damaging the terminals themselves. Please use the supplied hexagonal driver and tighten screws with reasonable torque.

The Project EVEREST DD66000 can set up and adjust the following by using the above procedures.

System Orientation

The two low frequency drivers operate over different ranges as described earlier. For proper imaging, it is necessary that the midrange woofer (LF2) be in the inboard position for the pair of systems. The proper setting of the system orientation jumper bars can configure a single DD66000 system as either a “left or right” system. It is necessary that both bars be moved together. Improper sound will result from staggering the bars. The bars select which woofer

Page 21
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JBL manual Chapter, Project EVEREST DD66000 Switch Operations, System Orientation