Yamaha NS-P380 Owner's Manual - Page 11
Using the Subwoofer, Setting the subwoofer volume, Frequency characteristics
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English Using the Subwoofer 2 1 3 4 Rear panel 1 Power indicator Lights up when the POWER switch is set to ON; goes off when the POWER switch is set to OFF. 2 INPUT jack Input jack for connecting the line-level subwoofer output on your amplifier. 3 VOLUME control Adjusts the volume of the subwoofer. Turn it clockwise to increase the volume; counterclockwise to decrease the volume. 4 POWER switch Set this to ON to turn on the subwoofer. Set it to OFF to turn off the subwoofer. Setting the subwoofer volume The very first time you use the subwoofer, you need to set the volume balance between the subwoofer and the front speakers as follows. 1 Turn on your other AV components. 2 Set the subwoofer's VOLUME control to minimum (0). 3 Set the subwoofer's POWER switch to ON. The power indicator on the rear panel lights up. 4 Play a audio source that contains low- frequency bass sounds. Set the amplifier's volume control to a suitable level. 5 Turn the subwoofer's VOLUME control up gradually until you achieve a good balance between the subwoofer and the other speakers. Notes • Once the subwoofer volume has been set, you can leave the subwoofer's VOLUME control set as it is and use your amplifier's volume control to adjust the volume of the entire system. • If you replace the front speakers (NS-B380) with other speakers, you will need to re-adjust the subwoofer's volume. • The frequency characteristics graphs below show how the subwoofer and front speakers work together to provide a full-range sound. Frequency characteristics The following graph shows the frequency characteristics of the subwoofer (NS-SW380). 100 dB 90 80 70 60 50 40 20 50 100 200 500 Hz The following graph shows the combined frequency characteristics of the subwoofer (NS-SW380) and front speakers (NS-B380). 100 dB 90 80 70 60 50 40 20 NS-SW380 NS-B380 50 100 200 500 Hz 6 En