Yamaha NS-SW310: ADJUSTING THE SUBWOOFER BEFORE USE

ADJUSTING THE SUBWOOFER BEFORE USE

Before using the subwoofer, adjust the subwoofer to obtain the optimum volume and tone balance between the subwoofer

and the front speakers by following the procedure described below.

1 Set the VOLUME control to minimum (0).

Notes

2 Turn on the power of all the other components.

• Once the volume balance between the subwoofer and

the front speakers is adjusted, you can adjust the

3 Make sure that the POWER switch is set to the ON

volume of your entire sound system by using the

position, then press the STANDBY/ON button to turn

amplifier’s volume control.

on the subwoofer.

However, if you change the front speakers to others,

* The Power indicator lights up in green.

you must make this adjustment again.

4 Play a source containing low-frequency components

• For adjusting the VOLUME control, the HIGH CUT

and adjust the amplifier’s volume control to the desired

control and the PHASE switch, refer to “Frequency

listening level.

characteristics” on page 13.

5 Adjust the HIGH CUT control to the position where

the desired response can be obtained.

Normally, set the control to a level a little higher than

the front speaker’s rated minimum reproducible

frequency*.

* The front speaker’s rated minimum reproducible

frequency can be looked up in the speakers’ catalog

or owner’s manual.

6 Increase the volume gradually to adjust the volume

balance between the subwoofer and the front speakers.

Set the control to a level where you can obtain a little

more bass effect than when the subwoofer is not used.

If the desired response cannot be obtained, adjust the

HIGH CUT control and the VOLUME control again.

7 Set the PHASE switch to the position which gives you

the better bass sound.

Set the switch to the REV (reverse) position. If the

desired response cannot be obtained, set the switch to

the NORM (normal) position.

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ADJUSTING THE SUBWOOFER BEFORE USE

Frequency characteristics

This subwoofer’s frequency characteristics

dB

HIGH CUT 50 Hz

HIGH CUT 100 Hz

90

HIGH CUT 150 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

90

80

70

(80Hz) (REV)

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

dB

90

80

70

(70Hz) (REV)

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