Before connecting speakers to the unit, be sure to disconnect the AC power cable.
Make certain that the total impedance is not less than the rated impedance indicated.
Low Impedance Speaker Connection
High Impedance Speaker Connection
8Ω or4Ω Speaker
When SP1~SP5 (100V or 70V) is in use, the '8/4Ω+'
terminal and 'OPT IN' terminal must be bridged
together (Only for PA-60/120).
8/4Ω+, 8/4Ω- Terminal