Évaluations - 2, GPA: 4.5
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Facilité d'utilisation
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. 4 En • If you replace the front speakers (NS-B20) with other speakers, you will need to re-adjust the subwoofer’s volume. Troubleshooting If this product doesn’t work as expected, look for a possible cause below. If the issue you are experiencing is not listed, or you cannot resolve it after reading through these instructions, disconnect the power cable and contact an authorized Yamaha dealer or service center. ¦ Front, surround speakers (NS-B20) and center speaker (NS-C20) Issue Possible cause Remedy There’s no sound. The speaker cables are not connected properly. Make sure the speaker cables are connected properly. The sound is very quiet. The speaker cables are not connected properly. Make sure the speaker cables are connected properly: L (left) to L, R (right) to R, “+” to “+” and “–” to “–”. ¦ Subwoofer (NS-SW20) Issue Possible cause Remedy The POWER switch is set to ON but the subwoofer doesn’t work. The power cable is not connected properly. Set the POWER switch to OFF, then make sure the power cable is connected properly. There’s no sound. The VOLUME control is set to 0. Turn up the VOLUME control. The subwoofer cable is not connected properly. Make sure the subwoofer cable is connected properly. The subwoofer is too quiet. The source material doesn’t contain much bass. Try playing source material that contains more bass. Bass sounds are being cancelled out by standing waves. Reposition the subwoofer, or break up parallel wall surfaces by placing bookshelves or other large objects along the wall. 5 En English English Specifications ¦ Front, surround speakers (NS-B20) and center speaker (NS-C20) Type...........................................Full range acoustic suspension non magnetic shielding type Driver ...................................................7 cm (2-3/4") cone type Nominal input power ....................................................... 30 W Maximum input power .................................................. 100 W Impedance ............................................................................. 6 . Frequency response NS-B20 ................................................70 Hz-25 kHz (-10 dB) -45 kHz (-30 dB) NS-C20................................................65 Hz-25 kHz (-10 dB) -45 kHz (-30 dB) Sensitivity NS-B20.........................................................83 dB/2.83 V, 1 m NS-C20.........................................................84 dB/2.83 V, 1 m Dimensions (W x H x D) NS-B20 .......... 115 x 176 x 88 mm (4-1/2" x 6-7/8" x 3-1/2") NS-C20.....................291 x 101 x 103 mm (11-1/2" x 4" x 4") Weight NS-B20.........................................................0.48 kg (1.06 lbs.) NS-C20.........................................................0.68 kg (1.50 lbs.) ¦ Subwoofer (NS-SW20) Type ......................Advanced Yamaha Active Servo Technology Driver ............................................16 cm (6-1/2") cone woofer non magnetic shielding type Amp output power.............. 50 W (100 Hz, 5 ., 10% T.H.D) Amp dynamic power .............................................. 100 W, 5 . Input impedance .................INPUT (1P RCA pin jack): 10 k. Frequency response ...........................................30 Hz–160 Hz Input sensitivity............................INPUT (1P RCA pin jack): 80 mV (50 Hz, 50 W/5 .) Power supply U.S.A. and Canada m...
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