Harman Kardon HK6850G Owners Manual - Page 8
Connecting, turntable, player, tuner, video, product, external, power, amplifier, preamplifier,
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HK6850 and HK6950R Connections If you are using a single set of 8-ohm speakers, remove the screw and the plate covering one side of the switches. Set both of the SPEAKER OPERATING MODE switches to 852 position and replace the plate so that it covers the other side of the switches. In all other cases, use the 4S2 positions. If you are in doubt about the impedance of your speakers, use the 4-ohm positions, since the power amplifier runs cooler in this mode. Having these switches set to 852 if you are using 4-ohm or 6-ohm speakers may result in overheating of the amplifier or failure of an internal fuse. If you are using two pairs of speakers, it is important to note that the combined total impedance of both sets of speakers must not be less than 4 ohms. If the combined impedance is lower, you may overload the amplifier, resulting in overheating or failure of an internal fuse. Two sets of 8-ohm speakers presents a combined total impedance of 4 ohms, which is an acceptable load for your amplifier as long as you set the SPEAKER OPERATING MODE switches to 4 ohms. If you have questions, consult your Harman Kardon dealer before adding a second set of speakers to your system. Connecting a turntable Your HK6850 or HK6950R has two sets of PHONO input jacks for connecting turntables. One set of jacks is marked MC, for Moving Coil. If you have a moving coil cartridge that generates at least 120µV mounted on your turntable, be sure you connect the turntable to the MC jacks. These jacks are internally wired to a special step-up amplifier stage. GND 0.0NO LE( RIGHT. MC MM The other set of jacks is marked MM, for Moving Magnet. If you have a regular moving magnet cartridge mounted on your turntable, connect the turntable only to the MM inputs, as the sizeable volume boost of the MC jacks will cause volume problems and severe distortion. Make sure you connect the thin ground wire from your tuntable to the GND post located next to the phono input jacks. Failure to connect this ground wire can result in a distracting hum when you play your turntable. When only one turntable is used, be sure to insert the attached shorting pin plug into the PHONO MM or MC jacks that are not being used. Connecting a CD player Attach the patch cord from the CD input jacks to your compact disc player. Connecting a tuner Attach the patch cord from the TUNER input jacks to your tuner. Be sure you connect an antenna to your tuner; otherwise, the quality of your AM and FM signal may be poor. Connecting a tape deck You can have several tape decks connected to your HK6850 or HK6950R. The best choice is to connect your tape deck(s) to the jacks labeled TAPE 1 or TAPE 2. The IN and OUT connectors on your tape deck correspond to the opposite connectors on the back of your amplifier. That is, you connect OUT on the tape deck to IN on the amplifier. A third tape deck can be connected to the AUX connectors if the deck will be used only for playback. Connect a patch cord from the audio OUT connectors on the tape deck to the AUX connectors on your HK6850 or HK6950R. Note that the TAPE input jacks can be used for connecting either a tape deck or a other video source. Video equipment connection is described in the following sections. 7 Connecting a video product Connect a patch cord from the audio out connec- tors on your video product to the video audio connectors. Connecting an external power amplifier If you want to use your HK6850 or HK6950R simply as a preamplifier and connect it to an external power amplifier, use the PRE-OUT connectors in the upper-left corner. Connect the patch cord from the PRE-OUT jacks on the HK6850 or HK6950R to the jacks on your external power amplifier. Then connect your speakers to your external power amplifier. Connecting an external preamplifier To use the HK6850 or HK6950R simply as a power amplifier, connect the Pre-Out jacks of the external preamplifier to the Main-in jacks on the back panel of the HK6850 or HK6950R. Then set the "Integrated-Separate" switch on the back panel to the "Separate" position. Wired Remote Control To control your amplifier with an external infrared remote sensor, connect the wire from the remote sensor to the "Remote In" jack on the back panel. Or, if you have a stereo component with a built-in infrared remote sensor and a "Remote Output" jack, it may be possible to connect this jack to the "Remote In" jack of your amplifier. All Harman Kardon products with "Remote In" and "Remote Out" jacks are compatible with one another, except for the Citation 22, 24 and 25. Other manufacturers' remote sensors may not be compatible, but it will not hurt to experiment. A second wire may be used to connect your amplifier's "Remote Out" jack to the "Remote Input" of another stereo component. Continue this process to include additional components (if compatible). To control your amplifier, you may use the remote control supplied with the HK6950R. Or you may use a universal remote control unit, such as Harman Kardon's MasterworksTm , which can also control other components, such as TVs, VCRs, tape decks and CD players. Masterworks is available from your Harman Kardon dealer.