Yamaha NS-150 User Manual

NS-150

SPEAKER SYSTEM

SYSTÈME D’ENCEINTES

LAUTSPRECHERANLAGE

GTR

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OWNER’S MANUAL

MODE D’EMPLOI

BEDIENUNGSANLEITUNG

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Thank you for selecting this YAMAHA NS-150 speaker system.

PRECAUTIONS

Read these precautions carefully before using your speaker.

●

Any time you note distortion, reduce the volume control on your amplifier to a lower setting. Never allow your amplifier to be driven into “clipping”. Otherwise the speaker may be damaged.

●

When using an amplifier with a rated output power higher than the nominal input power of the speaker, care should be taken never to exceed the speaker’s maximum input.

●

Do not attempt to clean the speaker with chemical solvents as this might damage the finish. To clean, wipe with a dry, soft cloth.

PRECAUTIONS WHEN POSITIONING THE SPEAKERS

The speaker is constructed with the majority of the weight located in its upper portion, and is thus susceptible to falling over if proper care is not taken to insure its stability. If the speaker falls over, it may damage the speaker or be the cause of injury (or even death) to persons and/or damage to personal property.

●

To prevent the enclosure from warping or discoloring, do not place the speaker where it will be exposed to direct sunlight or excessive humidity.

●

Do not place the speaker where it is liable to be knocked over or struck by falling objects. Stable placement will also ensure better sound performance.

●

Secure placement or installation is the owner’s responsibility. YAMAHA shall not be liable for any accident caused by improper placement or installation of the speaker.

Use the stands included with the speakers to increase stability:

●

Stands

Be sure to use the stands regardless of where the speakers are positioned. Attaching the stands included with the speakers reinforces the base of the speaker not to fall over. Please be cautioned that even though the stands are connected, this does not guarantee that the speakers will not fall over.

For safe and proper use of the speaker:

• Position the speaker in a location that is solid, level, smooth, and low (with respect to the floor).

• Do not push or apply pressure to the side of the speaker when moving, or lean objects against the side of the speaker.

• Do not sit on or set objects on top of the speaker.

Vibrations or jolts associated with earthquakes and other phenomena or activities may cause the speaker to fall over. For safety reasons, using commercially available products that increase stability in the speaker is recommended (metal fittings or chains, etc.).

HOW TO USE THE ACCESSORIES INCLUDED WITH THE SPEAKERS

English

■ Attaching the stand

Screw (6 mm) x 4

Stand x 4

When positioning the speakers, be sure to use the stand to increase stability.

Use the 8 specified holes located on the base of the speaker.

Procedure:

Put the 6 mm screw through the larger hole on the stand,

➀

and attach to the speaker at one of the outside holes on the base of the speaker. At this time, attach the stand to the speaker so that it can still be moved slightly. Put the 4 mm wood screw through the smaller hole on the

➁

stand, and screw it into the inside hole on the base of the speaker. When both screws have been attached, tighten both of the

➂

screws so that the stand is firmly in place. Be sure to check that the stand is firmly attached. Attach the pads to the bottom of the end portion of the

➃

stand. Attach the other stands in the same manner and confirm

➄

that all 4 stands have been firmly attached. Place the speaker in the desired location.

➅

Wood screw (4 mm) x 4

Pad x 4

■ Attaching the spike

Spike x 4

When setting up the speakers on a thick carpet, use the spikes instead of the stand. With 4 points set in place to achieve increased stability and improvements in sound quality.

Procedure:

Set the nut close to the tip of the spike and screw them

➀

into the bottom of the speaker at each of the four specified holes. Place the speaker in the desired location in an upright

➁

position and adjust the length of the spike to match the depth of the carpet. When adjustment is complete, twist the nut up to the base

➂

of the speaker firmly.

Notes

●

The tips of the spikes may scratch or otherwise damage the flooring. Please be careful when positioning the speakers.

●

If force is applied to the side of the speaker, it may fall and damage the speaker or cause personal injury. Please be careful.

●

Either end of the spike may be inserted into the holes on the speaker to accommodate different types of conditions and installations.

Note If force is applied to the side of the speaker, it may fall and damage the speaker or cause personal injury. Please be careful.

CONNECTIONS TO Y OUR AMPLIFIER

This speaker system is capable of standard connections and bi-wiring connections. Before making connections, make sure that the amplifier is switched off.

Leave the short bars in place when connecting.

Loosen

Tighten

<Bi-Wiring Connections>

Remove the short bars before connecting.

Tweeter terminals

Short bar

Speaker

(R)

Speakers output terminals of the amplifier

–

SPEAKERS

–

Amplifier or

Receiver

Woofer terminals

–

Speaker

(L)

Speaker

(R)

SPEAKERS

Speaker

(L)

++– –

Amplifier or

Receiver

Speaker

(R)

Amplifier or

SPEAKERS

Receiver

Speaker

(L)

++––

■ Connections

●

Connect the screw-type input terminals at the rear of the speakers to the speaker output terminals of your amplifier with the speaker cables.

●

Connect the (+) terminals on both the amplifier and the speakers using one side of the cable. Connect the (–) terminals on both components using the other side of the cable.

●

Connect one speaker to the left (marked L) terminals of your amplifier, and another speaker to the right (marked R) terminals, making sure not to reverse the polarity (+, –). If one speaker is connected with reversed polarity, the sound will be unnatural and lack bass.

Procedure:

Loosen the terminal knob.

➀

Remove approx. 10 mm insulation from the speaker cable

➁

and insert the bare wire end properly into the terminal hole. Tighten the knob.

➂

Test the security of the connection by tugging lightly on the

➃

cable at the terminal.

Note Do not let the bare speaker wires touch each other as this could damage the speaker and/or the amplifier.

Both SPEAKERS A and B should be selected.

Bi-Wiring Connections

This speaker system is capable of bi-wiring connections. To connect the speakers to the output terminals of the amplifier, two pairs of cables for each of woofer and tweeter are used instead of standard connections. This type of connection decreases the modulation distortion caused by electric resistance of the cables and driving current of the speakers. Consequently, purer sound quality can be expected.

To utilize bi-wiring connections, remove the short bars from the terminals first, and then connect the woofer and tweeter to the amplifier separately using two pairs of cables.

Note For bi-wiring connections, use the same type of cable for both the woofer and tweeter, making sure to match the polarity.

PLACING THE SPEAKERS

English

REMOVING THE FRONT COVER

■ Using as 2ch stereo speakers

Better stereo images will be obtained when the speakers are slightly angled in towards the listeners.

■ Using as main speakers in a multi channel

system

Position the speakers on both sides of the TV. The positioning of speakers is important, because it controls the whole sound quality of a multi channel system. Set up the speakers on the basis of your listening position by following the owner’s manual supplied with your amplifier.

Front Effect Speakers

The front cover is fastened to the enclosure at six points, and can be removed if desired. To remove the cover, hold on to both sides and slowly pull straight away from the speaker. To reattach, line up the six pegs on the inside surface of the cover with the six corresponding holes on the speaker and push gently.

Note When the cover is removed, take care not to touch the speaker units with your hands or to exert excessive force with tools.

Center

NS-150

Subwoofer

NS-150

Rear Speakers

SPECIFICATION

Type ..................................... 3-way bass reflex speaker system

(Magnetically-shielded type)

Driver............................................... 13 cm (5”) LF cone woofer

13 cm (5”) sub LF cone woofer

3 cm (1”) dome tweeter

Nominal Impedance .......................................................6 ohms

Frequency Response ........................................40 Hz – 35 kHz

Nominal Input Power....................................................... 100 W

Maximum Input Power .................................................... 300 W

Sensitivity ..........................................................89 dB/2.83 V/m

Crossover Frequency........................................... 500 Hz/2 kHz

Dimensions (W x H x D)............................ 168 x 850 x 269 mm

(6.6” x 33.5” x 10.6”)

Weight ...........................................................14.5 kg (32.0 lbs.)

Accessories................................................................ Stand x 4

Screw (6 mm) x 4

Wood screw (4 mm) x 4

Pad x 4

Spike x 4

Nut x 4

●

Specifications subject to change without notice due to product improvements.

●

Care should be taken not to exceed the input power values noted above.

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