Yamaha Audio NS-P70 User Manual

NS-P70

(NS-P70: NS-E56 + NS-C55)

HOME CINEMA CENTER & EFFECT SPEAKERS

SYSTEME D’ENCEINTES CENTRALE ET D’EFFETS AUDIO/VIDEO

OWNER’S MANUAL

MODE D’EMPLOI

U G R

● Rear/rear center speakers

● Enceintes arrière/arrière centrale

● Center speaker

● Enceinte centrale

● Speaker cable (10m)⳯3

● Câble d’enceinte (10m)⳯3

● Speaker cable (4m)⳯1

● Câble d’enceinte (4m)⳯1

● Fastener⳯2

● Fixation⳯2

UNPACKING After unpacking, check that the following items are contained. DEBALLAGE Après le déballage, vérifier que les pièces suivantes sont incluses.

<NS-E56>

<NS-C55>

English

E-1

CONTENTS

UNPACKING .................... Inside of Front Cover

COMPONENTS OF THE PACKAGE .............. 1

PRECAUTIONS ...............................................1

SETTING UP THE SPEAKERS ...................... 2

Placing the center speaker ............................. 3

Mounting the rear and rear center speakers

on the wall .................................................... 3

CONNECTIONS.............................................. 4

An example of basic connections .................... 4

Connecting speaker cables ............................ 5

SPECIFICATIONS .......................................... 6

COMPONENTS OF THE PACKAGE

<NS-E56>

2-way acoustic-suspension speaker system used for
the rear and rear center speakers

<NS-C55>

2-way acoustic-suspension speaker system used for
the center speaker

The speaker package “NS-P70” is designed for use in a
multi-channel audio system such as a home theater system.
The package includes three NS-E56 speaker systems and
one NS-C55 speaker system.

PRECAUTIONS

Read this before using the speakers.

• To assure the finest performance, please read this
manual carefully. Keep it in a safe place for future
reference.

• Install the speakers in a cool, dry, clean place – away
from windows, heat sources, sources of excessive
vibration, dust, moisture and cold. Avoid sources of
humming (transformers, motors). To prevent fire or
electrical shock, do not expose the speakers to rain or
water.

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

• Do not place the following objects on the speakers:
Glass, chine, etc.

If glass etc. falls by vibrations and breaks, it may cause
personal injury.

A burning candle etc.

If the candle falls by vibrations, it may cause fire and
personal injury.

A vessel with water in it

If the vessel falls by vibrations and water spills, it may
cause damage to the speakers, and/or you may get an
electrical shock.

• Do not place the speakers where foreign objects such as
water drips might fall. It might cause a fire, damage to the
speakers, and/or personal injury.

• Do not place the speakers where they are liable to be
knocked over or struck by falling objects. Stable
placement will also ensure better sound performance.

• Placing the speakers on the same shelf or rack as the
turntable can result in feedback.

• 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
speakers may be damaged.

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

• Do not attempt to clean the speakers with chemical
solvents as this might damage the finish. Use a clean, dry
cloth.

• Do not attempt to modify or fix the speakers. Contact
qualified YAMAHA service personnel when any service is
needed. The cabinet should never be opened for any
reasons.

• Secure placement or installation is the owner’s

responsibility.
YAMAHA shall not be liable for any accident caused
by improper placement or installation of speakers.

E-2

SETTING UP THE SPEAKERS

Before making connections, place all speakers in their respective positions. The positioning of the speakers is important
because it controls the whole sound quality of this system.
Place the speakers depending on your listening position by following the instructions below.

Speaker configuration

The rear and rear center speakers are used for surround
sounds, and the center speaker is for center sounds (dialog
etc.).

Note
In this speaker package, the same speakers (NS-E56)
are used for the rear and rear center speakers.

Placing speakers

Rear speakers: Behind your listening position, facing

slightly inward. About 1.8 m (approx. 6
feet) from the floor.

Center speaker: Precisely between the main speakers.

Rear center speaker:

Precisely between the rear speakers

Main L

(not included)

Center

Main R
(not included)

Rear L

Subwoofer
(not included)

Rear R

Main L

Main R

Subwoofer

NS-E56
(Rear L)

NS-E56
(Rear R)

TV-set

NS-C55
(Center)

Note
These speakers feature a magnetically shielded design,
but there is still a chance that placing them too close to
a TV set might impair picture color. Should this happen,
move the speakers away from the TV set.

Rear center

NS-E56
(Rear center)

English

E-3

Place the speaker on the TV whose top is flat or on the floor
under the TV or inside the TV rack so that it is stabilized.
When placing the speaker on top of the TV, to prevent the
speaker from falling down, put the provided fasteners at two
points on both bottom of the speaker and top of the TV.

䡵 Placing the center speaker

Fastener

TV set

The speakers can be mounted on a wall by using the
bracket attached to the speakers’ back panels.

Make sure that the screws are caught by a narrow part of
the holes securely.
Put the screws into a wall according to the figure shown
below.

䡵 Mounting the rear and rear center speakers on the wall

Holes

Pads

Fasten screws into a firm wall or wall support as shown in
the figure below, and hang the holes on the protruding
screws.

WARNING

● Each speaker weights 2.3 kg (5 lbs. 2 oz.). Do not

mount them on thin plywood or soft wall surface
material, as the screws may come out of the flimsy
surface, causing the speakers to fall down and be
damaged, or result in personal injury.

● Do not fasten the speakers to wall with nails,

adhesives, or other unsound hardware. Long term
use and vibrations may cause them to fall down.

● To avoid accidents resulting from tripping over loose

speaker cords, fix them to the wall.

40 mm

Diam. 3.5 to 4 mm

Min.
20 mm

3 mm

Tapping screw
(available at a
hardware store)

Notes

● Do not place the speaker on top of the TV whose

area is smaller than the bottom area of the speaker.
If placed, the speaker may drop out causing an
injury to you.

● Do not place the speaker on top of the TV with an

inclination.

● Do not touch the adhesive surface after peeling off

the seal as this will weaken its adhesive strength.

● Thoroughly wipe clean the surface where the

fastener is to be applied. Note that adhesive strength
is weakened if the surface is dirty, oily or wet and
that this may cause the center speaker to drop.

Screen

Wall or wall
support

Peel off
the seal

E-4

SPEAKERS

MAIN

MAIN

Y

/

C

B

VIDEO

CENTER

CEN

T

REAR

CENTER

REAR CENTER

OUTPUT

L

R

L

R

L

L

L

R

R

A

–

–

+

+

–

+

–

+

–

+

B

REAR

(SURROUND)

REAR

(SURROUND)

R

CONNECTIONS

䡵 An example of basic connections

Amplifier

Center speaker

Rear speakers

LeftRight

Rear center speaker

English

E-5

BEFORE MAKING CONNECTIONS, MAKE SURE THAT THE AMPLIFIER IS SWITCHED OFF.

䡵 Connecting speaker cables

■ CONNECTIONS

• Connect the screw-type input terminals at the rear of the
speakers to the speaker output terminals of the amplifier
(or receiver) with the provided speaker cables.

• One side of the speaker cable is red and the other side is
black. Connect the (+) terminals on the amplifier (or
receiver) and speakers using the red side. Connect the
(–) terminals on both components using the black side of
the cable.

• Connect each speaker making sure not to reverse the
polarity (+, –). If the speaker is connected with reversed
polarity, the sound will be unnatural and lack bass.

• For the rear speakers only, connect one speaker to the
left (marked L) terminals of your amplifier (or receiver),
and another to the right (marked R) terminals.

How to connect:

1 Loosen the knob.
2 Remove the insulation coating at the extremity of each

speaker cable by twisting the coating off.

3 Insert the bare wire.
4 Tighten the knob and secure the cable.

Test the firmness of the connection by pulling lightly on
the cable at the terminal.

Note
Do not let the bare speaker wires touch each other as
this could damage the speaker or the amplifier, or both
of them.

Black (–)

Red (+)

Loosen

Tighten

Good No good

Red: positive (+)
Black: negative (–)

When using a banana plug
<U.S.A., China and General models only>

3

Banana plug

1

2

1 Remove the cover by pulling it toward you.
2 Tighten the terminal knob.
3 Simply insert the banana plug into the terminal.

–

+

E-6

SPECIFICATIONS

䡵 NS-E56

Type ............... 2-way acoustic-suspension speaker system

Magnetic shielding type

Driver .............................................. 10 cm (4”) cone woofer

2.2 cm (3/4”) dome tweeter

Impedance ..................................................................... 6Ω

Frequency Response ............................... 80 Hz to 30 kHz

Nominal Input Power ................................................. 50W

Maximum Input Power ............................................. 150W

Sensitivity ................................................... 90 dB/2.83V/m

Crossover Frequency .............................................. 5 kHz

Dimensions (W x H x D) ................. 150 x 265 x 156.3 mm

(5-7/8” x10-3/8” x 6-3/16”)

Weight ............................................ 2.3 kg (5 lbs. 2 oz.) x 3

䡵 NS-C55

Type ............... 2-way acoustic-suspension speaker system

Magnetic shielding type

Driver ........................................ 10 cm (4”) cone woofer x 2

2.2 cm (3/4”) dome tweeter

Impedance ..................................................................... 6Ω

Frequency Response ............................... 70 Hz to 30 kHz

Nominal Input Power ................................................. 60W

Maximum Input Power ............................................. 180W

Sensitivity ................................................... 91 dB/2.83V/m

Crossover Frequency .............................................. 5 kHz

Dimensions (W x H x D) ................. 465 x 135 x 173.5 mm

(18-5/16” x5-5/16” x 6-13/16”)

Weight ................................................ 3.5 kg (7 lbs. 11 oz.)

䡵 Accessories

Speaker cable (10 m) x 3

Speaker cable (4 m) x 1

Fastener x 2

* Specifications are subject to change without notice due

to product improvements.

YAMAHA ELECTRONICS CORPORATION, USA 6660 ORANGETHORPE AVE., BUENA PARK, CALIF. 90620, U.S.A.
YAMAHA CANADA MUSIC LTD. 135 MILNER AVE., SCARBOROUGH, ONTARIO M1S 3R1, CANADA
YAMAHA ELECTRONIK EUROPA G.m.b.H. SIEMENSSTR, 22-34, 25462 RELLINGEN, BEI HAMBURG, F.R. OF GERMANY
YAMAHA ELECTRONIQUE FRANCE S.A. RUE AMBROISE CROIZAT BP70 CROISSY-BEAUBOURG 77312 MARNE-LA-VALLEE CEDEX02, FRANCE
YAMAHA ELECTRONICS (UK) LTD. YAMAHA HOUSE, 200 RICKMANSWORTH ROAD WATFORD, HERTS WD1 7JS, ENGLAND
YAMAHA SCANDINAVIA A.B. J A WETTERGRENS GATA 1, BOX 30053, 400 43 VASTRA FRÖLUNDA, SWEDEN
YAMAHA MUSIC AUSTRALIA PTY, LTD. 17-33 MARKET ST., SOUTH MELBOURNE, 3205 VIC., AUSTRALIA

V914930

Printed in Indonesia

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