Yamaha DXS12 mkII Bedienungsanleitung

Yamaha Subwoofer DXS12 mkII

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Introduction

Thank you very much for purchasing the DXS Powered Subwoofer. The DXS is a powered subwoofer used

for sound reinforcement and temporary installations. This owner’s manual explains how to set up and use

the subwoofer in live venues and temporary PA installations to enhance low-end sound. Be sure to read this

manual before using this subwoofer, in order to make sufficient use of the many functions that this product

offers. Also, be sure to keep this manual after you are finished reading it.

Features

High power, high sound pressure, superior low-end playback capabilities

Adopting a bandpass type enclusure for high sound pressure. The DXS features a high-resistance input,

low distortion woofer and a 1,020 W power amplifier to achieve superior low-end playback capability

and high sound pressure.

Flexible features

• D-XSUB: D-XSUB is a DSP technology that gives users additional dynamic control of the frequency

range to meet the demands of a variety of applications or musical styles.

• Selectable X-OVER (80/100/120 Hz): Selecting the cut-off frequency and LPF/HPF settings offers

users more flexibility to adapt to various applications.

• Cardioid mode: The Cardioid mode setting adds additional control of low frequencies for sub-woofer

arrays of two or more DXS speakers, effectively reducing the SPL of bass directed towards the stage

while increasing the bass levels directed towards the audience.

Reliability

A high-performance DSP control protects the speaker and amplifier. The DXS can be used worry-free,

even under harsh operating conditions.

Durability

The DXS’s sturdy plywood cabinet is covered with an extremely durable polyurea finish that provides

added protection from outside elements.

Fast and easy setup

M20 and Ø35 mm dual pole sockets allow for more flexible set up, while optional casters are also avail-

able for improved portability.

DXS18

DXS15 mkll

DXS12 mkll

POWERED SUBWOOFER

ZZ20050

Owner’s Manual

• The DXS18 is mainly used for the explana-

tions in this manual.

• The illustrations as shown in this manual are

for instructional purposes only.

• The company names and product names used

in this manual are the trademarks or registered

trademarks of their respective companies.

Input the output signal from a source, such as a mixer, to the INPUT jack of the DXS, and input the output

signal from the OUTPUT jack of the DXS to the input jack of a full-range speaker.

• X-OVER switch (!2)

It is recommended that you match the crossover frequency (the cutoff frequency of the low pass filter)

of the DXS and the cutoff frequency of the high pass filter of the full-range speaker. The same fre-

quency range output from the DXS and the full-range speaker may cause interference with each other

and degrade the frequency characteristics.

• THROUGH/HPF POST switch (o)

If the full-range speaker is properly equipped with a high pass filter, you should set this to

[THROUGH]. The [THROUGH] setting enables you to control the level independently and minimize

signal delay. If the full-range speaker is not equipped with a high pass filter or the high pass filter in the

full-range speaker cannot be set to the same cutoff frequency as that of the low pass filter of the DXS,

set this to [HPF POST] to use the high pass filter in the DXS.

This is a pole socket used to mount a full-range speaker atop the DXS. The pole socket is compatible with

35 mm or M20 speaker poles, available commercially. When using the pole socket, be sure that the follow-

ing conditions are met.

Installing optional wheels SPW-1 at the back of the DXS enables you to transport the unit easily. To install

the wheels, use the screws already installed in the DXS unit.

Please do not use the speaker once the screws are removed. This causes air leaks to occur in enclosure,

resulting in undesirable performance.

* If any specific problem should persist, please contact your Yamaha dealer.

* The cont ent s 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.

Basic Setup

CAUTION

If multiple powered speakers are connected in daisy-chain fashion, turn each device on

in sequence starting from the one nearest to the sound source, and turn them off start-

ing from the one farthest from the sound source.

Combination of monaural DXS and stereo full-range speakers

Combination of stereo DXS and stereo full-range speakers

NOTE

The L and R jacks are interchangeable; there is no difference in behavior between them.

Full-range

speaker

Combination and setting examples

Using the high pass filter in the

connected full-range speaker

Using the high pass filter in

the DXS

Full-range

speaker

DXS

o!2 o!2

From

mixer

From mixer

Full-range speaker Full-range speaker

Mixer

To full-range speaker

DXS

Full-range speaker Full-range speaker

Mixer

DXS DXS

From mixer

To full-range speaker

Installing a Speaker Pole

Subwoofer Top-mounted speaker Pole length

DXS18 Weight 28.0 kg or less, height 76 cm or less (DSR115) 120 cm or less

DXS15mkII Weight 19.3 kg or less, height 61 cm or less (DXR12) 100 cm or less

DXS12mkII Weight 14.6 kg or less, height 51 cm or less (DXR10) 82 cm or less

Weight 13.5 kg or less, height 46 cm or less (DXR8) 90 cm or less

Installing Wheels

CAUTION

• For details on installing the wheels or special precautions you should take, please

refer to the relevant manual for the wheels.

• Do not install wheels other than the SPW-1.

Troubleshooting

Symptom Possible causes Possible solution

Power does not tur n on. The power cord is not con-

nected properly. Connect the power cord properly.

Power suddenly turned

off.

The protection system has

been activated, shutting

down the power supply.

Turn off the power, wait until the amplifier cools down,

and then turn on again.

No sound. The cable is not con-

nected properly. Connect the cable to the INPUT jack properly.

Sound is interrupted

suddenly.

The protection circuit has

been activated, muting the

output.

Wait until the amplifier cools down. If the unit doesn’t

automatically reset itself, turn off the power, and then

on again.

Sound howls (feed-

back).

A microphone is directed

toward the speaker.

Keep the speaker away from the area where the

microphone picks up the sound.

The sound from each

speaker differs (if multi-

ple speakers are used.)

The settings for each

speaker differ.

Set each switch of each speaker to the same posi-

tion.

Sound is distorted.

Input volume is excessive. Lower the volume of the input device so that the

PEAK indicator lights only occasionally.

Output volume is exces-

sive.

Lower the output level with the LEVEL control so that

the LIMIT indicator lights only occasionally.

General Specifications

General Specifications DXS18 DXS15mkII DXS12mkII

System Type Powered subwoofer, band-pass type

Frequency Range (-10 dB) 32 Hz–120 Hz 40 Hz–150 Hz 42 Hz–150 Hz

Measured Maximum SPL (Peak)

Pink Noise @1m 136 dB SPL 135 dB SPL 134 dB SPL

Power

Amplifier

Power

Rating

Dynamic 1,020 W

Continuous 800 W

Power Consumption

(1/8 output power) 100 W

Components LF 18" cone,

4" voice coil

15" cone,

2.5" voice coil

12" cone,

2.5" voice coil

Dimensions

(W × H × D; including rubber feet) 563 × 683 × 721 mm 480 × 611 × 614 mm 400 × 567 × 570 mm

Weight 49.7 kg 36.0 kg 30.0 kg

Handles Steel, side × 2

Pole Sockets (top surface) Ø35 mm (depth: 80 mm), M20 (threaded depth: 25 mm)

Connectors

Input XLR3-31 × 2

Output XLR3-32 × 2 (THROUGH or HPF POST)

Power IEC AC inlet × 1 (V-Lock)

Input Sensitivity (LEVEL: center) +10 dBu

Maximum Input Level +24 dBu

M20 screwØ35

qPole sockets

Adapts to commercially available speaker poles of 35 mm diameter and

M20 screws. For details on installing speaker poles, refer to “Installing

a Speaker Pole.”

wFeet cups

When stacking multiple DXS units, align the rubber feet of the upper

DXS unit to the feet cups of the lower.

eFront LED

Turns on when the power is on. Lights more brightly when the output

limiter is active. Using FRONT LED DISABLE switch (!9) allows you

to defeat the front LED altogether.

rWheel mounting holes

Optional SPW-1 wheels can be installed at these locations. For details

on installing the wheels or special precautions you should take, please

refer to the relevant manual for the wheels.

tAC IN inlet (V-Lock)

Connect the AC power cord included with the unit. The AC power cord

includes a locking mechanism with a latch. First connect the DXS to the

AC power cord, and then connect the power cord to the AC outlet.

When removing the cord, push the latch while pulling the cord out.

yPower switch

Turns the power to the unit on ( ) or off ( ).

If you are using multiple units, turn on the power to each unit one by

one. If you turn on the power to multiple units simultaneously, a tempo-

rary drop in the power voltage may occur, possibly resulting in abnor-

mal operation of the units.

Also, rapidly turning the unit on and off in succession can cause it to

malfunction. After turning the unit off, wait for about 5 seconds before

turning it on again.

uINPUT jacks

These are balanced input XLR jacks (line-level), and this device outputs

the mixed signals of L and R.

iOUTPUT jacks

These are balanced output XLR jacks for connecting full-range speak-

ers or additional DXS units. The output signal can be switched via the

THROUGH/HPF POST switch (o).

L/R output from the OUTPUT jacks correspond to L/R input to the

INPUT jacks. The mixed signal of L/R is not output.

oTHROUGH/HPF POST switch

Switches the signals output from the OUTPUT jacks (i).

•THROUGH: Outputs unaffected signals from INPUT jacks (u).

Select when using HPF of the connected speaker or connecting addi-

tional DXS units.

•HPF POST: Outputs signal input from INPUT jacks (u) after pass-

ing through a HPF. The cutoff frequency of the high pass filter is the

frequency specified with the X-OVER switch ( ). Because the out-!2

put level from the OUTPUT jacks is linked to the LEVEL control

(!1), the levels of this unit and the full-range speaker change simulta-

neously.

!0 PEAK indicator

Lights red when the input level reaches 3 dB below clipping. If the indi-

cator lights frequently, adjust the volume of the input source or lower

the LEVEL control (!1) so that the indicator flashes only briefly at the

highest input levels.

!1 LEVEL control

Adjusts the output level.

!2 X-OVER switch

Specifies the crossover frequency at 120 Hz, 100 Hz, or 80 Hz. The out-

put from the unit is processed through a low pass filter to cut the range

of the selected frequency or higher. When setting THROUGH/HPF

POST switch (o) to [HPF POST], the output signals from the OUT-

PUT jacks are processed through a high pass filter to cut the range of

the selected frequency or lower, and the crossover frequency is linked to

that of the connected speaker.

!3 D-XSUB switch

Switches the low-range frequency response characteristics.

•NORMAL: A generic setting corresponding to various applications.

•BOOST: Boosts the frequency range enhancing and providing punch

to the sound.

•XTD LF (eXTenDed LF): Extends the bottom of the low frequency

range.

!4 CARDIOID switch

Connection of multiple DXS units enables the use of Cardioid mode.

For details on Cardioid mode and using the switch, refer to “Setup of

Cardioid Mode” on the opposite page.

!5 POLARITY switch

Switches the polarity of the unit, normal or inverted. When the polarity

is inverted, the INVRT indicator lights.

In most cases, this should be set to normal; however, the inverted setting

may improve low-range response, depending on the type and location of

the speaker system. Select a setting that produces the best low-end

sound.

!6 LIMIT indicator

Lights when the output limiter is active. The output limiter operates in

order to protect the speaker and amplifier, attenuating the output signal

to the amplifier. If the indicator lights frequently, adjust the volume of

the input source or lower the LEVEL control (!1) so that the indicator

only occasionally lights at the highest input levels.

!7 PROTECTION indicator

Lights when the protection system is active. The protection system

operates and the speaker output is muted in the following situations.

• If amplifier overheating is detected.

• If overcurrent is detected.

• Immediately after turning the power on. (The protection system is

activated to prevent noise and the indicator lights for about two sec-

onds. The indicator turns off when the power supply has started nor-

mally.)

!8 POWER indicator

Lights when the power is on.

!9 FRONT LED DISABLE switch

Turns the FRONT LED at the front of the unit on or off. The LED lights

when this switch is set to off. Turn this switch on to disable the LED.

Controls and functions

t y

!2 !3 !4

CAUTION

Do not stack more than two DXS units.

CAUTION

Turn off the power before you connect or discon-

nect the power cord.

CAUTION

A slight electrical current will flow even when the

power switch is turned off. Make sure to unplug

the power cord from the power outlet when not

using the speaker for an extended period of time.

CAUTION

Make sure to lower the input level when switching.

Included accessories

• AC power cord

• Owner’s manual (this leaflet)

• Technical Specifications

Optional accessories

• Speaker cover: SPCVR-18S01 (for DXS18), SPCVR-DXS152 (for DXS15mkII), SPCVR-DXS122 (for DXS12mkII)

• Wheels: SPW-1; 4 pieces

Because directivity in the low frequency range is weak, the output sound from the subwoofer diffracts not

only toward the audience but also to the stage in almost the same sound pressure. By using the Cardioid

mode, bass to the audience is summed up and bass to the stage is canceled. This suppresses the bass volume

on the stage, providing a greater allowance before howling, and provides more powerful bass for the audi-

ence.

Place the two DXS units facing in opposite directions. Set the CARDIOID switch of the DXS facing the

audience to off, and that of the DXS facing the stage to on. Make sure that the other settings (LEVEL,

POLARITY, X-OVER) of the units are set the same.

You can also construct a system for Cardioid mode by vertically stacking two units. Set the CARDIOID

switch of the DXS facing to the stage side to on. Make sure that the other settings (LEVEL, POLARITY, X-

OVER) of the units are set the same.

Set the CARDIOID switch of only the DXS unit facing the stage to on. Set the levels of the two DXS units

facing the audience to the same. Set the level of the DXS unit facing to the stage approximately 6 dB greater

than the DXS units facing the audience.

About Cardioid mode

The distance between a speaker (A) facing to the audience sound source speaker and another speaker (B)

facing to the stage is defined as d A. delay is applied to the sound from speaker B, equivalent to distance d.

The sound of each speaker is cancelled on the stage

side and summed together on the audience side. The

directional characteristics of this combination are

represented in the polar pattern illustration at right.

Since the form resembles a heart shape, it is called

Cardioid mode.

Setup of Cardioid Mode

NOTE

• Use the same model and input signal for the DXS. You can also use the units connected in daisy chain

fashion with setting the OUTPUT jack to [THROUGH].

• To obtain the optimum Cardioid characteristics, locate the cabinet away from walls by more than 1.2 m.

Two-unit, side-by-side placement

Two-unit, vertically stacked placement

CAUTION

• When vertically stacking DXS units, make sure they are stable and not in danger of

falling over.

• Align the rubber feet of the upper DXS unit to the feet cups of the lower DXS.

• When using vertically stacked DXS units, do not place any objects (such as full-range

speakers or another DXS) on top of them or insert speaker poles.

To AC outlet

From mixer

To right

DXS

From left

DXS

To full-range

speaker

*1 *2

Off On

*1 When a full-range speaker is connected subse-

quently.

*2 When a full-range speaker is connected subse-

quently and the high pass filter in the full-range

speaker is not used, set this to [HPF POST].

To full-range speaker

Stage

From mixer

Audience

To full-range speaker

To AC outlet

From mixer

Stage

Audience

From lower

DXS

To full-range

speaker

From mixer

To upper

DXS

Off

*1 When a full-range speaker is connected subsequently.

*2 When a full-range speaker is connected subsequently and

the high pass filter in the full-range speaker is not used, set

this to [HPF POST].

Three-unit, side-by-side placement

From mixer

To center

DXS

Off Off

From center

DXS

From mixer

Stage

To AC outlet

Audience

From left

DXS

To right

DXS

Reverse

polarity

delay

Waveform

from A

Waveform

from B

Sound is

cancelled

Sound is summed

* This is the optimum state,

in which the distance d is a

quarter of the wavelength.

Stage

side

Audience

side

Reverse

polarity

delay

Audience sideStage side

Stage

side

Audience

side

Directional characteristics

PRECAUTIONS

PLEASE READ CAREFULLY BEFORE

PROCEEDING

Please keep this manual in a safe place for future

reference.

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:

Power supply/power cord

• Do not place the power cord near heat sources such as

heaters or radiators, and do not excessively bend or

otherwise damage the cord, place heavy objects on it, or

place it in a position where anyone could walk on, trip

over, or roll anything over it.

• Only use the voltage specified as correct for the device.

The required voltage is printed on the name plate of the

device.

• Use only the supplied power cord/plug.

If you intend to use the device in an area other than in the

one you purchased, the included power cord may not be

compatible. Please check with your Yamaha dealer.

• Check the electric plug periodically and remove any dirt

or dust which may have accumulated on it.

• When setting up the device, make sure that the AC outlet

you are using is easily accessible. If some trouble or

malfunction occurs, immediately turn off the power switch

and disconnect the plug from the outlet. Even when the

power switch is turned off, as long as the power cord is

not unplugged from the wall AC outlet, the device will not

be disconnected from the power source.

• Remove the electric plug from the outlet when the device

is not to be used for extended periods of time, or during

electrical storms.

• Be sure to connect to an appropriate outlet with a

protective grounding connection.

Do not open

• This device contains no user-serviceable parts. Do not

open the device or attempt to disassemble the internal

parts or modify them in any way. If it should appear to be

malfunctioning, discontinue use immediately and have it

inspected by qualified Yamaha service personnel.

Water warning

• Do not expose the device to rain, use it near water or in

damp or wet conditions, or place on it any containers

(such as vases, bottles or glasses) containing liquids

which might spill into any openings. If any liquid such as

water seeps into the device, turn off the power

immediately and unplug the power cord from the AC

outlet. Then have the device inspected by qualified

Yamaha service personnel.

• Never insert or remove an electric plug with wet hands.

Hearing loss

• Do not use the device for a long period of time at a high or

uncomfortable volume level, since this can cause

permanent hearing loss. If you experience any hearing

loss or ringing in the ears, consult a physician.

• Before connecting the device to other devices, turn off the

power for all devices. Also, 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 device LAST, to avoid hearing loss and

speaker damage. When turning the power off, the device

should be turned off FIRST for the same reason.

Fire warning

• Do not place any burning items or open flames near the

device, since they may cause a fire.

If you notice any abnormality

• If any of the following problems occur, immediately turn

off the power switch and disconnect the electric plug from

the outlet.

- The power cord or plug becomes frayed or damaged.

- Unusual smells or smoke are emitted.

- Some object has been dropped into the device.

- There is a sudden loss of sound during use of the

device.

- Cracks or other visible damage appear on the device.

Then have the device inspected or repaired by qualified

Yamaha service personnel.

• If this device should be dropped or damaged,

immediately turn of f the power switch, disconnect the

electric plug from the outlet, and have the device

inspected by qualified Yamaha service personnel.

CAUTION

Always follow the basic precautions listed below

to avoid the possibility of physical injury to you or

others, or damage to the device or other property.

These precautions include, but are not limited to,

the following:

Power supply/power cord

• When removing the electric plug from the device or an

outlet, always hold the plug itself and not the cord. Pulling

by the cord can damage it.

Location

• Do not place the device in an unstable position where it

might accidentally fall over and cause injuries.

• When installing the device:

- Make sure the top surface faces up; do not install on its

sides or upside down.

- Do not use the device in a confined, poorly-ventilated

location.

Inadequate ventilation can result in overheating, possibly

causing damage to the device(s), or even fire. Make sure

that there is adequate space around the device: at least

30 cm above, 30 cm at the sides and 30 cm behind.

• Do not use the speaker’s handles for suspended

installation. Doing so can result in damage or injury.

• Do not hold the bottom of the device when transporting or

moving it. In doing so, you may pinch your hands under

the device, and result in injury.

• Do not press the rear panel of the device against the wall.

Doing so may cause the plug to come in contact with the

wall and detach from the power cord, resulting in short

circuiting, malfunction, or even fire.

• Do not place the device in a location where it may come

into contact with corrosive gases or salt air. Doing so may

result in malfunction.

• Avoid being near the device during a disaster, such as an

earthquake. Since the device may turn over or fall and

cause injury, stay away from the device quickly and move

to a safe place.

• Before moving the device, remove all connected cables.

• When transporting or moving the device, always use three

or more people. Attempting to pick this unit up with only

one or two people may result in lower back injuries, or the

equipment may be dropped and damaged, resulting in

injury.

• Be sure to adhere to the conditions for “Installing a

Speaker Pole” when mounting the speaker on top using

the pole socket.

Tipping this unit over may break the unit, cause damage

to the internal parts or result in personal injury.

Maintenance

• Remove the power plug from the AC outlet when cleaning

the device.

Handling caution

• Do not insert your fingers or hands in any gaps or

openings on the device (ports).

• Avoid inserting or dropping foreign objects (paper,

plastic, metal, etc.) into any gaps or openings on the

device (ports). If this happens, immediately turn off the

power unplug the power cord from the AC outlet, and

have the device inspected by qualified Yamaha service

personnel.

• Do not operate the device if the sound is distorting.

Prolonged use in this condition could cause overheating

and result in fire.

• Avoid pulling the connected cables to prevent injuries or

damage to the device by causing it to fall.

PA_en_8

Yamaha cannot be held responsible for damage caused

by improper use or modifications to the device.

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 use the device in the vicinity of a TV, radio, AV equipment, mobile phone, or other electric devices. Otherwise, the

device, TV, or radio may generate noise.

• Do not expose the device to excessive dust or vibration, or extreme cold or heat (such as in direct sunlight, near a heater,

or in a car during the day), in order to prevent the possibility of panel disfiguration, unstable operation, or damage to the

internal components.

• Do not place vinyl, plastic or rubber objects on the device, since this might discolor the panel.

• When cleaning the device, use a dry and soft cloth. Do not use paint thinners, solvents, cleaning fluids, or chemical-

impregnated wiping cloths.

• Condensation can occur in the device due to rapid, drastic changes in ambient temperature—when the device is moved

from one location to another, or air conditioning is turned on or off, for example. Using the device while condensation is

present can cause damage. If there is reason to believe that condensation might have occurred, leave the device for sev-

eral hours without turning on the power until the condensation has completely dried out.

• When placing the speaker face down, always place it on a flat surface.

• Do not touch the speaker driver unit.

• Air blowing out of the ports is normal.

• Always turn the power off when the device is not in use.





Connectors

• XLR-type connectors are wired as follows (IEC60268 standard): pin 1: ground, pin 2: hot (+), and pin 3: cold (–).

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.

Manual Development Group

Published 1/2017 POEI-A0

Yamaha Pro Audio global website:

IUUQXXXZBNBIBDPNQSPBVEJP

Yamaha Downloads:

http://download.yamaha.com/

決匶匶垚

͑儆洛殯͙ͳ匏 ͚͑洊沖砒洇穯匶匶嵢昢

͑渂嵢

͑儆

洛櫖昢

͑斲殯穞垚

͑冉汊

͑徯洇求嵢

͑穞彶

͑͝

微姦

͑滆櫳櫖昢

斲殯穦

͑朞

͑沎枻城埪

(class b korea)

In Finland: Laite on liitettävä suojamaadoituskosketti-

milla varustettuun pistorasiaan.

In Norway: Apparatet må tilkoples jordet stikkontakt.

In Sweden: Apparaten skall anslutas till jordat uttag.

(class I hokuo)

Explanation of Graphical Symbols

Explication des symboles

The lightning flash with arrowhead symbol within an equilateral triangle is intended to alert the user to the presence of uninsulated

“dangerous voltage” within the product’s enclosure that may be of sufficient magnitude to constitute a risk of electric shock to persons.

L’éclair avec une flèche à l’intérieur d’un triangle équilatéral est destiné à attirer l’attention de l’utilisateur sur la présence d’une « ten-

sion dangereuse » non isolée à l’intérieur de l’appareil, pouvant être suffisamment élevée pour constituer un risque d’électrocution.

The exclamation point within an equilateral triangle is intended to alert the user to the presence of important operating and mainte-

nance (servicing) instructions in the literature accompanying the product.

Le point d’exclamation à l’intérieur d’un triangle équilatéral est destiné à attirer l’attention de l’utilisateur sur la présence d’instruc-

tions importantes sur l’emploi ou la maintenance (réparation) de l’appareil dans la documentation fournie.

IMPORTANT SAFETY INSTRUC-

TIONS

1 Read these instructions.

2 Keep these instructions.

3 Heed all warnings.

4 Follow all instructions.

5 Do not use this apparatus near water.

6 Clean only with dry cloth.

7 Do not block any ventilation openings. Install in accor-

dance with the manufacturer’s instructions.

8 Do not install near any heat sources such as radiators,

heat registers, stoves, or other apparatus (including

amplifiers) that produce heat.

9 Do not defeat the safety purpose of the polarized or

grounding-type plug. A polarized plug has two blades

with one wider than the other. A grounding type plug has

two blades and a third grounding prong. The wide blade

or the third prong are provided for your safety. If the pro-

vided plug does not fit into your outlet, consult an electri-

cian for replacement of the obsolete outlet.

10 Protect the power cord from being walked on or pinched

particularly at plugs, convenience receptacles, and the

point where they exit from the apparatus.

11 Only use attachments/accessories specified by the man-

ufacturer.

12 Use only with the cart, stand, tripod,

bracket, or table specified by the manu-

facturer, or sold with the apparatus. When

a cart is used, use caution when moving

the cart/apparatus combination to avoid

injury from tip-over.

13 Unplug this apparatus during lightning storms or when

unused for long periods of time.

14 Refer all servicing to qualified service personnel. Servic-

ing is required when the apparatus has been damaged in

any way, such as power-supply cord or plug is damaged,

liquid has been spilled or objects have fallen into the

apparatus, the apparatus has been exposed to rain or

moisture, does not operate normally, or has been

dropped.

(UL60065_03)

PRÉCAUTIONS CONCERNANT

LA SÉCURITÉ

1 Lire ces instructions.

2 Conserver ces instructions.

3 Tenir compte de tous les avertissements.

4 Suivre toutes les instructions.

5 Ne pas utiliser ce produit à proximité d’eau.

6 Nettoyer uniquement avec un chiffon propre et sec.

7 Ne pas bloquer les orifices de ventilation. Installer l’appa-

reil conformément aux instructions du fabricant.

8 Ne pas installer l’appareil à proximité d’une source de

chaleur comme un radiateur, une bouche de chaleur, un

poêle ou tout autre appareil (y compris un amplificateur)

produisant de la chaleur.

9 Ne pas modifier le système de sécurité de la fiche polari-

sée ou de la fiche de terre. Une fiche polarisée dispose de

deux broches dont une est plus large que l’autre. Une

fiche de terre dispose de deux broches et d’une troisième

pour le raccordement à la terre. Cette broche plus large

ou cette troisième broche est destinée à assurer la sécur-

ité de l’utilisateur. Si la fiche équipant l’appareil n’est pas

compatible avec les prises de courant disponibles, faire

remplacer les prises par un électricien.

10 Acheminer les cordons d’alimentation de sorte qu’ils ne

soient pas piétinés ni coincés, en faisant tout spécialem-

ent attention aux fiches, prises de courant et au point de

sortie de l’appareil.

11 Utiliser exclusivement les fixations et accessoires spécif-

iés par le fabricant.

12 Utiliser exclusivement le chariot, le stand,

le trépied, le support ou la table recom-

mandés par le fabricant ou vendus avec

cet appareil. Si l’appareil est posé sur un

chariot, déplacer le chariot avec précau-

tion pour éviter tout risque de chute et de blessure.

13 Débrancher l’appareil en cas d’orage ou lorsqu’il doit res-

ter hors service pendant une période prolongée.

14 Confier toute réparation à un personnel qualifié. Faire

réparer l’appareil s’il a subi tout dommage, par exemple

si la fiche ou le cordon d’alimentation est endommagé, si

du liquide a coulé ou des objets sont tombés à l’intérieur

de l’appareil, si l’appareil a été exposé à la pluie ou à de

l’humidité, si l’appareil ne fonctionne pas normalement

ou est tombé.

(UL60065_03)

CAUT ION:

TO REDUCE THE RISK OF E LE CTRIC SHOCK,

DO NOT REMOVE COVER (OR BACK).

NO USER-SERVICEABLE PARTS INSIDE.

REFER SERVICING TO QUALIFIED SERVICE PERSONNEL.

The above warnin

is located on the rear of the unit. L’avertissement ci-dessus est situé sur l’arrière de l’unité.

AT T E N T I ON

RISQUE DE CHOC

ELECTRIQUE-NE PAS OUVRIR

ATTENTION :

POUR RÉDUIRE LES RISQUES D'ÉLECTROCUTION, NE PAS RETIRER

LE CAPOT (OU LE DOS). NE CONTIENT PAS DE PIÈCES NÉCESSITANT

L'INTERVENTION DE L'UTILISATEUR. POUR TOUTE INTERVENTION,

FAIRE APPEL À DES PROFESSIONNELS QUALIFIÉS.

WARNING

TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK,

DO NOT EXPOSE THIS APPARATUS TO RAIN OR MOIS-

TURE.

AVERTISSEMENT

POUR RÉDUIRE LES RISQUES D’INCENDIE OU DE

DÉCHARGE ÉLECTRIQUE, N’EXPOSEZ PAS CET APPA-

REIL À LA PLUIE OU À L’HUMIDITÉ.

1. IMPORTANT NOTICE: DO NOT MODIFY THIS UNIT!

This product, when installed as indicated in the instructions

contained in this manual, meets FCC requirements. Modifica-

tions not expressly approved by Yamaha may void your

authority, granted by the FCC, to use the product.

2. IMPORTANT: When connecting this product to accessories

and/or another product use only high quality shielded cables.

Cable/s supplied with this product MUST be used. Follow all

installation instructions. Failure to follow instructions could

void your FCC authorization to use this product in the USA.

NOTE:

This product has been tested and found to comply with

the requirements listed in FCC Regulations, Part 15 for Class

“B” digital devices. Compliance with these requirements pro-

vides a reasonable level of assurance that your use of this

product in a residential environment will not result in harmful

interference with other electronic devices. This equipment gen-

erates/uses radio frequencies and, if not installed and used

according to the instructions found in the users manual, may

cause interference harmful to the operation of other electronic

devices. Compliance with FCC regulations does not guarantee

that interference will not occur in all installations. If this product

is found to be the source of interference, which can be deter-

mined by turning the unit “OFF” and “ON”, please try to elimi-

nate the problem by using one of the following measures:

Relocate either this product or the device that is being

affected by the interference.

Utilize power outlets that are on different branch (circuit

breaker or fuse) circuits or install AC line filter/s.

In the case of radio or TV interference, relocate/reorient the

antenna. If the antenna lead-in is 300 ohm ribbon lead,

change the lead-in to co-axial type cable.

If these corrective measures do not produce satisfactory results,

please contact the local retailer authorized to distribute this type

of product. If you can not locate the appropriate retailer, please

contact Yamaha Corporation of America, Electronic Service

Division, 6600 Orangethorpe Ave, Buena Park, CA90620

The above statements apply ONLY to those products distrib-

uted by Yamaha Corporation of America or its subsidiaries.

* This applies only to products distributed by YAMAHA CORPORATION OF AMERICA. (class B)

FCC INFORMATION (U.S.A.)

(weee_eu_en_02)

Information for users on collection and disposal of old equipment:

This symbol on the products, packaging, and/or accompanying documents means that used electrical and electronic

products should not be mixed with general household waste.

For proper treatment, recovery and recycling of old products, please take them to applicable collection points, in

accordance with your national legislation.

By disposing of these products correctly, you will help to save valuable resources and prevent any potential negative

effects on human health and the environment which could otherwise arise from inappropriate waste handling.

For more information about collection and recycling of old products, please contact your local municipality, your waste

disposal service or the point of sale where you purchased the items.

For business users in the European Union:

If you wish to discard electrical and electronic equipment, please contact your dealer or supplier for further information.

Information on Disposal in other Countries outside the European Union:

This symbol is only valid in the European Union. If you wish to discard these items, please contact your local authori-

ties or dealer and ask for the correct method of disposal.

Produktspezifikationen

Marke:	Yamaha
Kategorie:	Subwoofer
Modell:	DXS12 mkII

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