Harman Kardon CIT22 Owners Manual - Page 11
Ope ra, Speake, rs in Parallel
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Eigh t -Ohm Mono Ope ra t i on The Citation 22 and Citation 24 have exceptional capabilities as mono amplifiers, either in pairs (dual mono) or for use with a single 8-ohm subwoofer. Operation in this mode differs from stereo in four important ways. 1. The Bridged-Mono switch is set to the ON position. 2. The Speaker Operating Mode switch is set to the 4-ohm set- ting (even though mono operation should only be with 8-16-ohm loads). 3. Input signal is received only through the LEFT input socket. 4. The single set of speaker conductors are connected to the LEFT and RIGHT (positive/red) output terminals. In this special case, the LEFT terminal acts as positive and the RIGHT terminal acts as ground. Make sure that the Indicator button on the far right amplifier front panel is set to the "4-ohm or 8-ohm mono" setting. Mul t iple Speake rs in Parallel It is possible to add extension speakers, for use in another part of your home, or for matrix surround sound-if the total impedance of both speaker pairs is no less than 4 ohms. Total impedance (Z) of such as system is calculated with the following formula: Z - R1 X R2 RI + R2 Where R1 and R2 are the individual impedances of the two speaker systems. Therefore, two sets of 8-ohm speakers in parallel represents a 4-ohm total load, well within the operating parameters of your Citation Amplifier, providing you adjust the Speaker Operating Mode switch to the 4-ohm setting. However, two sets of 4-ohm speakers is a 2-ohm load and is not recommended. If you have any questions, consult your Harman Kardon Dealer before adding a second set of speakers. Wa r r a n t y and Se r v i c e If you have followed the suggestions in this manual and are reasonably sure that your power amplifier requires service, call the Harman Kardon dealer from which you purchased your Citation 22 or Citation 24. It is important that service be carried out only by a designated Harman Kardon Service agent to insure both proper service and to comply with the terms of the Citation 22 and Citation 24 Limited Warranty. Remember to keep your sales slip or receipt in a safe place since you will be required to show it for service during the duration of the Limited Warranty. harmanikarckin A Harman International Company 240 Crossways Park West Woodbury, NY 11797