Yamaha DSP-E390 Owner's Manual - Page 8

CONNECTING SPEAKERS Connect the SPEAKERS terminals to your speakers with wire of the proper gauge, cut as short as possible. If the connections are faulty, no sound will be heard from the speakers. Make sure that the polarity of the speaker wires is correct, that is, + and - markings are observed. If these wires are reversed, the sound will be unnatural and will lack bass. Do not let the bare speaker wires touch each other and do not let them touch the metal parts of this unit as this could damage this unit and/or speakers. Note Use speakers with the specified impedance shown on the rear of this unit. Red: positive (+) Black: negative (-) Œ Ž  Œ Press and open the tab.  Insert the bare wire. [Remove approx. 5mm (1/4") insulation from the speaker wires.] Ž Press the tab back to the original position and secure the wire. ABOUT THE ACCESSORY TERMINALS AC OUTLET (UNSWITCHED) This unswitched AC outlet can be used for connection of the power cord from another audio component. Note that the power to that component is not affected by the ON or OFF setting of the POWER switch of this unit. Note: The maximum power (total power consumption of components) that can be connected here is 100 watts. REAR OUTPUT terminals These terminals are for rear channel line output. There is no connection to these terminals when you use the built-in amplifier. However, if you drive rear speakers with an external stereo power amplifier, connect the input terminals of the external amplifier (MAIN IN or AUX terminals of a power amplifier or an integrated amplifier) to these terminals. LOW PASS terminal This terminal is for output to a monaural amplifier driving a subwoofer. Only frequencies below 200 Hz from the front and center channels are output. ADDING A SUBWOOFER You may wish to add a subwoofer to reinforce the bass frequencies. Connect the LOW PASS terminal to the INPUT terminal of the subwoofer amplifier, and connect the speaker terminals of the subwoofer amplifier to the subwoofer. With some subwoofers, including the Yamaha Active Servo Processing Subwoofer System, the amplifier and subwoofer are in the same unit. CENTER OUTPUT terminal This terminal is for center channel line output. There is no connection to this terminal when you use the built-in amplifier. However, if you drive a center speaker with an external power amplifier, connect the input terminal of the external amplifier to this terminal. OUTPUT LOW PASS fc:200Hz REAR OUT CENTER OUT Subwoofer system FRONT LEVEL switch Normally set to "0 dB". If desired, you can decrease the output level at the FRONT OUT terminals by 10 dB by setting this switch to "-10 dB". (Refer to "Notes" on page 11.) -l0dB 0 dB FRONT LEVEL 8