Harman Kardon PA 2000 Owners Manual - Page 8

Channel Configuration and Speaker Connections Two-Pair Output For use in multiroom applications, the PA 2000 may be used to send the same signal feed to two separate locations, such as living room and dining room speakers. While each room will receive the same feed, the volume may be controlled by using the channel Output Level Trim Controls ¢ or optional in-wall volume controls. The PA 2000 is factory-shipped to operate in this configuration, but it is always a good idea to double-check the switch setting to make certain that it is correct. For two-pair output, the Bridge/Normal Switch ∞ should be set so that the switch is on the right side, over the word "NORMAL". To ensure that the switch setting is not changed, make certain that the plastic switch guard is installed once the proper setting is made. To connect speakers when the PA 2000 is used in the two-pair output mode, connect one pair of speakers to the Channel 1 Output Speaker Terminals ¶, and the other pair to the Channel 2 Output Speaker Terminals •. (See Figure 1.) Right Speaker + - Channel One Left Speaker + - One-Pair Output (Bridged Operation) The PA 2000 is a bridgeable amplifier, which means that the two pairs of medium-powered amplifiers may also be combined, or "bridged", to form a higher-powered stereo amplifier with a single pair of outputs. This type of operation is suitable for use in powering the rear surround channels of a 7.1 surround-sound system, or for general use as a high-quality, highpower stereo amplifier for a main listening room or remote room applications. To configure the PA 2000 for use as a singlepair stereo amplifier, follow these steps: • Disconnect the power from the unit. • Locate the Bridge/Normal Switch ∞ on the rear panel, and use a #1 Phillips screwdriver to carefully remove the screws on either side of the plastic switch guard. Remove the plastic guard and set it aside with the screws. • Slide the switch to the left so that it is under the word "BRIDGE". • Replace the plastic switch guard so that it secures the switch in the desired position. • Replace the two screws to secure the plastic guard. To connect speakers when the PA 2000 is used as a stereo amplifier, an alternative connection method is used. As shown in Figure 2, connect the speakers to the terminals shown on the rear panel as "BRIDGE +/-", with the connections made vertically, as opposed to the horizontally oriented connections used in twopair output use. Note that the negative, or "-", terminal used for bridged operation is normally marked as "+" for use in two-pair use. For bridged operation, please observe the Bridge markings, not the markings used for the Ch. 2 output. + - Right Speaker Figure 1 Channel Two + - Left Speaker + - Right Speaker Figure 2 8 CHANNEL CONFIGURATION + - Left Speaker