Yamaha YST-SW150 Owner's Manual - Page 6

If your amplifier has two sets of speaker terminals Right speaker This unit OUTPUT TO SPEAKERS INPUT2 AUTO PHASE POWER FROM AMPLIFIER INPUT1 ON OFF NOM REV OUTPUT TO SPEAKERS INPUT2 AUTO PHASE POWER FROM AMPLIFIER INPUT1 ON OFF NOM REV Left speaker To AC outlet A B Amplifier (Both "A" and "B" outputs must be ON.) Connecting to this unit's OUTPUT/INPUT terminals For connections, cut the speaker wires 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, your amplifier and/or speakers. * Banana Plug connections are also possible (except for U.K. and Europe models). Simply insert the Banana Plug connector into the corresponding terminal. How to Connect: Red: positive (+) Black: negative (-) 2 1 3 Œ Unscrew the knob.  Insert the bare wire. [Remove approx. 5mm (1/4") insulation from the speaker wires.] Ž Tighten the knob and secure the wire. 6