Yamaha NS-SW700BR Owner's Manual - Page 17

ADJUSTING THE SUBWOOFER BEFORE USE Frequency characteristics This subwoofer's frequency characteristics dB HIGH CUT 40 Hz HIGH CUT 90 Hz 90 HIGH CUT 140 Hz 80 70 60 50 40 20 50 100 200 500Hz The figures below show the optimum adjustment of each control and the frequency characteristics when this subwoofer is combined with a typical front speaker system. ■ EX.1 When combined with 10 cm (4") or 13 cm (5") acoustic suspension, 2-way system front speakers dB PHASE 90 NORM REV 80 (70Hz) (REV) 70 60 Front speaker 50 40 20 50 100 200 500Hz Frequency response graph* ■ EX.2 When combined with 20 cm (8") or 25 cm (10") acoustic suspension, 2-way system front speakers (50Hz) PHASE NORM REV (REV) dB 90 80 70 60 Front speaker 50 40 20 50 100 200 500Hz Frequency response graph* *This diagram does not depict actual frequency response characteristics. English 13 En