Yamaha VC4NB Manual

Yamaha Højttaler VC4NB

Læs nedenfor 📖 manual på dansk for Yamaha VC4NB (2 sider) i kategorien Højttaler. Denne guide var nyttig for 14 personer og blev bedømt med 4.5 stjerner i gennemsnit af 2 brugere

Download PDF

Side 1/2

PRECAUTIONS

PLEASE READ CAREFULLY BEFORE PROCEEDING

Please keep this manual in a safe place for future reference.

This product is a speaker system designed for background music and public address

applications in places such as stores, restaurants and other commercial spaces.

Do not use for any purposes other than the one intended. Those who are

unfamiliar with handling or those who can not handle according to this manual,

should be supervised by responsible persons to ensure safety.

Always consult a professional installer if the product installation requires

construction work.

WARNING

Always follow the basic precautions listed

below to avoid the possibility of serious

injury or even death from electrical shock,

short-circuiting, damages, fire or other

hazards. These precautions include, but

are not limited to, the following:

If you notice any abnormality

• If any of the following problems occur,

immediately turn off the power of the amplifier.

- Unusual smells or smoke are emitted.

- Some object, or water has been dropped

into the product.

- There is a sudden loss of sound during use

of the product.

- Cracks or other visible damage appear on

the product.

Then have the product inspected or repaired

by qualified Yamaha service personnel.

Do not open

• This product contains no user-serviceable

parts. Do not attempt to disassemble the

internal parts or modify them in any way.

Water warning

• Do not expose the product to rain, use it near

water or in damp or wet conditions.

Fire warning

• Do not place any burning items or open flames

near the product, since they may cause a fire.

Hearing loss

• Before turning the power of all devices on or off,

make sure that all volume levels are set to the

minimum. Failing to do so may result in hearing

loss, electric shock, or device damage.

• When turning on the AC power in your audio

system, always turn on the power amplifier

LAST, to avoid hearing loss and speaker

damage. When turning the power off, the

power amplifier should be turned off FIRST for

the same reason.

Location and connection

• Always consult a professional installer if the

product installation requires construction work, and

make sure to observe the following precautions.

- Choose mounting hardware and an

installation location that can support the

weight of the product.

- Avoid locations that are exposed to constant

vibration.

- Use the required tools to install the product.

- Inspect the product periodically.

• Do not place the product in an unstable position

or a location with excessive vibration, where it

might accidentally fall down and cause injury.

CAUTION

Always follow the basic precautions listed

below to avoid the possibility of physical

injury to you or others. These precautions

include, but are not limited to, the following:

Location and connection

• Keep this product out of reach of children. This

product is not suitable for use in locations

where children are likely to be present.

• Do not place the product in a location where it

may come into contact with corrosive gases or

salt air. Doing so may result in malfunction.

• Do not place the product in a location where it

may be exposed to smoke or oil vapors, or

where any of its parts might deteriorate and

cause malfunction.

• Before moving the product, remove all

connected cables.

• Use only speaker cables for connecting

speakers to the speaker jacks. Use of other

types of cables may result in fire.

Handling caution

• Do not insert your fingers in any gaps or

openings on the product (clamps or moving

parts on the rails).

• Do not rest your weight on the product or place

heavy objects on it.

• When choosing a power amplifier for use with

this product, make sure that the output power

of the amplifier meets the following conditions:

- When using a low-impedance connection,

make sure that the output power of the

amplifier is lower than the power capacity of

this product.

- When using a high-impedance connection,

be sure that the total rating of the transformer

taps of the speakers does not exceed the

output power of the amplifier.

If the output power is not appropriate,

malfunction or fire may occur.

• Do not input excessively loud signals that may result

in clipping in the amplifier or cause the following:

- Feedback, when using a microphone

- Continuous and extremely loud sound from a

musical instrument, etc.

- Continuous and excessively loud distorted

sound

- Noise caused by plugging/unplugging the

cable while the amplifier is turned on

Even if the output power of the amplifier is

lower than the power capacity of this product

(program), damage to the product,

malfunction or fire may occur.

PA_en_12

General Specifications

Unpacking

Unpack the contents and confirm that

all the following items are included.

• Speaker × 1

• Grille × 1

• Safety wire × 1

• Cutout template × 1

• Owner’s Manual (this manual)

* Speaker cable is not included.

The following Reinforcing Bracket

Kit is included only with VC8NB,

VC8NW, VC6NB, VC6NW.

• Tile rails × 2

• C-ring × 1

• Screws (S-TITE M4, 8 mm) × 2

Optional Items (sold separately; VC4NB and VC4NW only)

Reinforcing Bracket Kit (AB-C2)

Bundled Items

• Tile rails × 2

• C-ring × 1

• Screws (S-TITE M4, 8 mm) × 2

* In this manual, the installation method using the AB-C2 Reinforcing Bracket Kit

is also explained.

Material and weight of the Reinforcing Bracket Kit (AB-C2): steel, 1.0 kg

*1 : Half-space (2π)

*2 : Calculated based on power rating and sensitivity

The contents of this manual apply to the latest specifications as of the publishing date. To obtain the latest manual, access the Yamaha website then download

the manual file.

The dimensions are shown in “Dimensions” on the back side of the manual.

VC4NB VC4NW VC6NB VC6NW VC8NB VC8NW

System Type 2-way coaxial type (without back can)

Components HF 0.8" film dome 0.8" soft dome 1" soft dome

LF 4" (10 cm) cone 6.5" (16 cm) cone 8" (20 cm) cone

Nominal Impedance 16 Ω

Frequency Range *1 (-10 dB) 85 Hz - 20 kHz 63 Hz - 20 kHz 52 Hz - 20 kHz

Coverage Angle *1 160° conical 120° conical 110° conical

Power Rating NOISE 15 W 25 W 25 W

PGM 30 W 50 W 50 W

MAX 60 W 100 W 100 W

Sensitivity *1 (1 W, 1 m) 88 dB SPL 89 dB SPL 91 dB SPL

Maximum SPL *2 (Calculated, 1 m,

Peak) 106 dB SPL 109 dB SPL 111 dB SPL

Transformer Taps 100 V 1.5/3/6 W 3/6/12 W 3/6/12 W

70 V 0.8/1.5/3/6 W 1.5/3/6/12 W 1.5/3/6/12 W

Overload Protection Full-range power limiting to protect network and transducers

Connector Push terminal (WAGO 294 /2 pin) × 1

Wire size: Solid conductor min. AWG18 (0.75 sq), max. AWG12 (3.5 sq)

Standard conductor min. AWG18 (0.75 sq), max. AWG14 (2 sq)

Baffle PP, black

Grille Metal Grille Punching metal, Powder coating

black (Munsell N3) / white (Munsell N9.3)

Trim Ring ABS, black (Munsell N3) / white (N9.3)

Dust-proof bag Artificial fiber, black

Dimensions (Including grille) Ø225 × D103 mm Ø286 × D114 mm Ø325 × D131 mm

Weight (Including grille) 1.4 kg 2.3 kg 2.8 kg

Cutout size Ø186 mm Ø247 mm Ø285 mm

Required ceiling board thickness 2 mm - 37 mm

Conduit tube Ø15.4 mm - Ø21.3 mm

Packaging 1 pc

Included in the

package

Grille, Safety wire, Cutout template, Owner's Manual

Reinforcing

Bracket Kit – C-Ring, Tile Rails × 2 C-Ring, Tile Rails × 2

Optional accessories AB-C2 – –

Installing the Speaker

Before installing the speaker onto the ceiling, ensure that the strength of the

ceiling rail is sufficient.

Pre-installation (Preparation of the Cable)

• For cables attached to the spring type connector, strip the insulation as

shown in the figure and connect them.

Put the supplied cutout template to the ceiling and draw a circle by tracing it.

Make sure to use the cutout template so that hole is the correct diameter.

If you use a circular cutter, set the diameter using the cutout template.

2. Cut the hole by tracing the circle.

Pull the wiring from the power amplifier through the cut hole of the ceiling.

2. Insert the cable into each terminal.

Insert the cable while holding the lever, and when fully inserted, release

your finger from the lever to securely connect.

(Lever operation is not required for solid core wire.)

Make sure that the cables cannot be pulled out.

NOTE

The example illustrations in this manual are of the VC4NB.

CAUTION

Be careful not to hurt your hands when handling this product.

NOTICE

When installing the speakers, turn off the power amplifier.

NOTE

Do not plate core wires by soldering if the cable uses stranded wire.

Doing so will cause the wire to break.

Cut Out a Hole in the Ceiling

CAUTION

Wear goggles to prevent chips or powder entering your eyes

while cutting the hole.

When the included Reinforcing Bracket Kit or AB-C2 (sold

separately) is used

For the VC8NB, VC8NW, VC6NB, and VC6NW, the included

Reinforcing Bracket Kit must be used.

For the VC4NB and VC4NW, follow the instructions when using the AB-

C2.

1. Insert the two tile rails through the cut hole and place them on the

ceiling surface within your reach. Adjust their length and be sure that

each of the tile rails are oriented as shown below.

2. Use the opening in the C-ring to slide one section of the C-Ring into

the cut hole, continuing to slide it around until the C-ring is

completely inside the ceiling.

3. Secure the C-ring and tile rails with the supplied two screws through

either slot of both C-ring brackets.

About 8-9 mm

Compatible cable:

Min. AWG18 (0.75 sq)

Max. AWG12 (3.5 sq) for solid core wire/

AWG14 (2 sq) for stranded wire

C-ring

Tile rail

Connect the Wiring to the Connector

Cable

Spring type

terminal

Safety wire

The dust-proof bag has notches at the

spring type terminal and a safety wire so

that you can work with the dust-proof

cover attached.

From amplifier or

previous speakers

To subsequent speakers

Spring type terminal

While holding down lever...

Insert cables Release lever

1. From the hole on the top of the dust-proof cover, attach the safety wire

to the safety wire ring, and connect the wire to an independent support

point, such as a joist.

2. Push the speaker slowly up into the ceiling, taking care not to trap the

speaker cable or safety wire.

3. While lifting up the speaker, turn the screwdriver clockwise to tighten the

attachment screw.

The first turn of the attachment screw opens the clamp. Further turns

move the clamp down the channel to pull the speaker up into the ceiling.

When the clamp is difficult to open, turning the screwdriver halfway

counterclockwise once will make it easier to open the clamp.

Select the line voltage/impedance (100 V, 70 V, 16 Ω) and power tap for a

100 V, 70 V line distributed system, by rotating the tap selector switch on

the front side of the speaker with a flat-blade screwdriver.

When using the speaker with high-impedance connection, select the

position where wattage is indicated by the line (100 V, 70 V). Do not select

the “ × ” setting when connecting to a 100 V line.

When using it with low impedance connection, select the 16 Ω position.

1. Align the grille with the cabinet’s

face and fit them together.

2. Turn clockwise (approx. 30°) to

secure the grille.

Fix the Speaker onto the Ceiling

CAUTION

Always take measures to prevent the speaker from falling

down.

If the safety wire is too short, prepare another wire appropri-

ate for the speaker weight and installation conditions.

NOTICE

Do not over-tighten the attachment screws. Otherwise, the attachment

screws and clamps will break.

Safty wire ring

Safety wire

Speaker cable

Safety wire

Speaker cable

(VC4NB, VC4NW, VC6NB,

VC6NW, VC8NB, VC8NW)

When the included Reinforcing

Bracket Kit or AB-C2 (sold

separately; VC4NB and

VC4NW only) is used.

(VC4NB, VC4NW)

When the AB-C2 Reinforcing

Bracket Kit (sold separately)

is not used.

Attachment

screw

Clamp

Removing from the Ceiling

1. While pressing the speaker against the ceiling, loosen the

attachment screws by turning them counterclockwise.

Loosen the screw and the clamp goes up, and as it reaches the top,

the clamp closes as shown in figure below.

2. Remove the safety wire from the speaker that is detached from the

ceiling.

Set the Line Voltage/Impedance and Power

NOTICE

• Make sure the amplifier is switched off before operating the tap selector

switch.

• If the setting is incorrect, it may cause malfunction of the speaker and

amplifier.

Attach the Grille

CAUTION

• If the grille is not sufficiently turned, it may fall off. Sufficiently

turn the grille, until the fastening sections of the grille and

speaker are securely engaged.

• If the ceiling material is soft, the baffle surface may sink into

the ceiling material due to overtightening of the attachment

screws, and the grill may not fit properly.

Clamp

The illustration indicates the setting at 6 W for a

100 V line and 3 W for a 70 V line.

100V

1.5

70V

0.8

1.5

SPEAKER SYSTEM

VC8NB VC8NW VC6NB VC6NW VC4NB VC4NW

Owner’s Manual

English

VEY4250

NOTICE

To avoid the possibility of malfunction/damage to

the product or damage to other property, follow

the notices below.



 Handling and maintenance

• Do not expose the product to excessive dust or

vibration, or extreme cold or heat, in order to

prevent the possibility of panel disfiguration,

unstable operation, or damage to the internal

components.

• Be sure to observe the amplifier’s rated load

impedance, particularly when connecting

speakers in parallel at low impedance.

Connecting an impedance load outside the

amplifier's rated range can damage the

amplifier.

• When using a high-impedance speaker

connection, make sure the audio signal is

passed through an 60 Hz or above high-pass

filter before being input to the speakers.

• Do not touch the speaker driver unit, since it

might cause malfunction.

• Do not place vinyl, plastic or rubber objects on

the product, since this might cause alteration

or discoloration of the panel.

• When cleaning the product, use a dry and soft

cloth. Do not use paint thinners, solvents,

cleaning fluids, or chemical-impregnated

wiping cloths, since this might cause alteration

or discoloration.

• Protection Circuit

This speaker system has an internal protection

circuit that shuts off the speaker unit when an

excessive input signal is applied. If the

speaker unit emits no sound, reduce the

volume level of the amplifier immediately. (The

sound will return automatically in several

seconds.)

• Do not place the speaker face down with the

grille attached, as deformation of the grille may

result.

• When placing the baffle face down, always

place it on a flat surface.

Information



 About this manual

• The illustrations as shown in this manual are for

instructional purposes only.

• The company names and product names in

this manual are the trademarks or registered

trademarks of their respective companies.



 About disposal

• This product contains recyclable components.

When disposing of this product, please

contact the appropriate local authorities.

Yamaha cannot be held responsible for

damage caused by improper use or

modifications to the product.

Produkt Specifikationer

Mærke:	Yamaha
Kategori:	Højttaler
Model:	VC4NB
Vægt:	1400 g
Antal pr. pakke:	1 stk
Produktfarve:	Sort
Bluetooth:	Ingen
Udgangseffekt (RMS):	- W
Anbefalet brug:	Universel
Forbindelsesteknologi:	Ledningsført
Højttaler, type:	2-vejs
Lyd-output kanaler:	- kanaler
Højttaler, placering:	Kan monteres i loftet
Diameter:	225 mm
Diskanthøjttaler:	Ja
Diskant diameter:	4 "
Bashøjttaler:	Ja
Forstærker:	Indbygget
Woofer diameter (britisk mål):	0.8 "