SPEAKER SYSTEM
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CHR Series
PA_en_12 1/2
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:
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, or place on it any containers (such
as vases, bottles or glasses) containing liquids which might
spill into any openings.
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.
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
• Do not place the product in an unstable position or a location
with excessive vibration, where it might accidentally fall over
and cause injury.
• 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.
• Before moving the product, remove all connected cables.
• When transporting or moving the CHR15, always use two or
more people. Attempting to lift the product by yourself may
result in injuries, such as back injuries, or cause the product
to be dropped and broken, which could lead to other injuries.
• 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 product when transporting or
moving it. In doing so, you may pinch your hands under the
product, and result in injury.
• Do not press the rear panel of the product against the wall.
Doing so may cause the plug to come in contact with the wall
and detach the cable from the connector, resulting in short
circuiting, malfunction, or even fire.
• Always consult qualified Yamaha service personnel if the
product installation requires construction work.
Improper installation might cause accidents, injuries,
damage or malfunction of this product.
• 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 or hands in any gaps or openings
on the product (ports).
• Do not rest your weight on the product or place heavy objects
on it.
• Make sure that the output power of the amplifier is lower than
the power capacity of this product (see page 108).
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.
2
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.
• Do not touch the speaker driver unit, since it might cause
malfunction.
• Be sure to observe the amplifier’s rated load impedance
(see page 108), particularly when connecting speakers in
parallel. Connecting an impedance load outside the amplifier's rated range can damage the amplifier.
• 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.
• Air blowing out of the bass reflex ports (hole or holes at the
front) is normal, and often occurs when the speaker is handling program material with heavy bass content.
• Do not place the speaker face down.
PA_en_12 2/2
Protective Circuit
• All full-range loudspeakers are fitted with a self-resetting
poly switch that protects the high-frequency driver from
damage caused by excessive power. If a loudspeaker
cabinet loses high-frequency output, immediately remove
power from the power amplifier and wait for two to three
minutes. This should be long enough to allow the poly
switch to reset. Reapply power and check the performance of the high-frequency driver before continuing, with
the power reduced to a level that does not cause the poly
switch to interrupt the signal.
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.
3
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 suppl
tion.
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 author-
ities or dealer and ask for the correct method of disposal.
ier for further informa-
(weee_eu_en_02)
4
Introduction
NOTE
Thank you for purchasing the Yamaha CHR series Loudspeaker. These products are designed for live
performance, sound reinforcement and fixed installation sound system applications. This manual
explains how to install and configure the connections for installers, constructors, or general users familiar
with speakers. Please read this manual thoroughly before you begin using this product in order to get the
most out of its various functions. After reading this manual, please keep it available for future reference.
The example illustrations used in this manual are taken from the CHR15, if not otherwise specified.
Contents
PRECAUTIONS ..................................................................... 2
Introduction ........................................................................... 5
Main Features........................................................................5
Included Accessories............................................................ 5
Controls and Connectors ......................................................6
Connection ............................................................................7
Installation Examples.............................................................8
Troubleshooting ...................................................................11
General Specifications (English only)................................108
Dimensions ........................................................................109
Main Features
• This is a high-quality speaker unit, with smooth directional characteristics, and has built-in ports that reduce wind roar in order
to achieve high-resolution sound quality.
• Delivers high sound pressure thanks to the unit’s high-input tolerance and exceptional reliability from protection circuitry.
• Features a comprehensive lineup optimized for a variety of applications. The CHR15 is ideal for use as a main speaker delivering powerful sound, while the CHR12M has a sound character optimized for monitoring and is ideal for use as a compact
floor monitor. The rotatable horn equipped CHR10 is ideal for use as a fixed installation, and can be installed vertically or horizontally with optional brackets.
• The naturally textured wood cabinet of the CHR features a durable coating with high damage resistance to protect the cabinet
from scratches and bumps during transport, installations and removal.
• Equipped with SpeakON Input/output connectors (parallel connection is possible).
• Installable with eye bolt rigging and brackets (CHR15/CHR10).
Included Accessories
• Owner’s manual (this book)
5
Controls and Connectors
Rear
[INPUT/PARALLEL] connectors
These are speakON connectors (Neutrik NL4) for
connection to a power amplifier or a powered
mixer using a speaker cable. Use only Neutrik
NL4 plugs for connecting speakON connectors.
CAUTION
Use only speaker cables for connecting
speakers to the speaker jacks. Use of
other types of cables may result in fire.
speakON plug
Turn to lock
For the CHR12M, [INPUT/PARALLEL] connectors
are included on both sides.
NOTE
Bottom/side
FRONT
7°
0°
CHR15
Tiltable pole socket
CHR12M Side CHR10 Bottom
Tiltable pole socket (CHR15)
CHR15 has two pole sockets on the bottom. You can
choose the angle of the speaker so that it is positioned
horizontal to the floor or tilting down toward the floor by
7 degrees. These sockets adapt to commercially available speaker stands and speaker poles of 35 mm
diameter.
Pole socket (CHR12M, CHR10)
CHR12M has a pole socket on the side and CHR10 has
one on the bottom.
7°
6
Connection
1+ :
2– (unconnected)
1– :
2+ (unconnected)
Parallel connection (total impedance: 4Ω)
From amplifier
Amplifier
The first CHR
(Impedance: 8Ω)
To next CHR
The second CHR
(Impedance: 8Ω)
Amplifier
L channel
R channel
CHR
And
Wiring
Make sure to wire the plugs as shown below.
Neutrik speakON plug (NL4)
Parallel connection of speakers
[INPUT/PARALLEL] connectors are connected inside in parallel. The first CHR receives the signal from an amplifier (such as a
power amplifier, a powered mixer, etc.) by one of the [INPUT/PARALLEL] connectors, and routes the signal to the second CHR
from the rest of [INPUT/PARALLEL] connectors.
When connecting CHRs in parallel, be sure to check the load impedance the amplifier can drive. The nominal impedance of one
CHR is eight ohms and the total impedance of two parallel connected CHRs is four ohms. In this case, the amplifier must be
able to drive less than four ohm load impedance.
Invalid connection
Do not connect the input from the amplifier to both the [INPUT/PARALLEL] connectors simultaneously. This creates a dangerous
short circuit.
7
Installation Examples
CAUTION
• Before doing any installation or construction work, consult with your
Yamaha dealer.
• The installation should be checked thoroughly at regular intervals.
Some fittings may deteriorate over extended periods of time due to
wear and/or corrosion.
• When choosing the installation location, suspension wire and
mounting hardware, make sure all are strong enough to support the
weight of the speaker.
• Make sure to take precautionary measures using wires to prevent the
speaker from falling down in the event of an installation failure.
• When installing the wire to the wall, install it higher than the wire’s
attachment point on the speaker, with as little slack as possible. If
the wire is too long, and the speaker happens to fall, the wire may
snap as a result of too much strain.
• Make sure to use eye bolts according to the standards and safety
regulations in your area.
Wires can be attached to the screw holes for eye
bolts and to the screw holes for the U-bracket
(CHR10 only) located at the center of the handle.
The illustration below is an example of using the Ubracket.
NOTE
M10 eye
bolt
Max. 45°
Pullback
point
Screw holes
Pullback point
Pullback point
(M10 screw hole)
Lower rear
Securing the eye bolts
Remove the flat-head screws tightened at the time of factory shipment,
and then insert the eye bolts through the washers when attaching
them.
Apply thread-locking
fluid to the eye bolt
NOTE
Yamaha cannot be held responsible for damage or injury caused by insufficient strength of the support structure or
improper installation.
Suspended Installation Using Eye Bolts (CHR15 and CHR10 only)
Attach commercially available long eye bolts (30–50 mm in length) to the screw holes located at the top (two locations) and on
the lower rear (one location). The screw diameter is M10. Keep in mind that you will need two points at the top to suspend the
unit.
The screw holes for eye bolts go through the cabinet wall. When not using eye bolts, tighten the flat-head screws in order to prevent air leaks.
8
Installation Examples
0°
45°
Max. 45°
Correct: Within 45° from a right angle
Incorrect: Do not suspend the eye bolts as shown in the illustrations below.
Prohibited
Only one
suspension point
More than 45° from
a right angle
More than
45°
More than
45°
Prohibited Prohibited Prohibited
NOTE
Suspension angle
The strength of an eye bolt differs depending on the suspension angle. Make sure to use eye bolts within a range of 0 to 45
degrees from a right angle (as shown).
Installation Using a Dedicated U-bracket (CHR10 only)
CHR10 can be neatly installed on a ceiling or a wall, either horizontally or vertically, with the separately sold Yamaha UBDXRDHR10 U-bracket. For instructions on installing the U-bracket, refer to the corresponding manual for the UB-DXRDHR10.
The UB-DXRDHR10 can be used together with separately sold optional brackets, such as the Yamaha BBS251 Baton Bracket.
Also, the CHR10 features a rotatable horn (90 degrees). When shipped from the factory, the directivity of CHR10 in a vertical orientation is the setting which makes the sound expand in a horizontal direction, and inhibits or narrows the sound in a vertical
direction. We recommend changing the directivity by rotating the horn when you want to install the CHR10 horizontally and
broaden the directivity.
9
Installation Examples
NOTE
Screws (four total)
Vertical
Rotate 90°
Horizontal
Rotatable Horn (CHR10 only)
1. Using a No. 2 Phillips head screwdriver, remove all fixing screws on the grille, and remove the grille from the speaker.
2. Using a No. 2 Phillips head screwdriver, remove all screws installed on the horn and pull the horn out from the speaker.
Make sure not to push the screws too strongly with the Phillips head screwdriver. This may cause the nuts inside the cabinet to fall off.
3. Rotate the horn 90 degrees, and re-install the horn to the speaker, reversing the steps above.
10
Troubleshooting
Symptom Possible causes Possible solution
No sound. The cable is not connected properly.
A microphone is directed toward the
Howling sound is produced
(feedback).
The amplifier shuts down.
High frequency range is attenuated.
If any specific problem should persist, however, please contact your Yamaha dealer.
speaker.
The sound is amplified too much.
The total impedance of the speakers is less
than the minimum load impedance of the
amplifier.
Example:
More than two speakers (eight ohms) are
connected to a power amplifier, the load
impedance of which is six ohms.
The protection circuit is operating in the HF
unit.
• Connect the cable all the way in so that it
is firmly in place.
• Connect to “1+” and “1–” and turn the
plug to be locked.
Aim the speaker away from the area where
the microphone picks up sound.
Lower the volume of input device and locate
the microphone more closely to the sound
source.
Check the minimum load impedance of the
power amplifier, and lower the number of
speakers connected in parallel not to be
less than the impedance.
Refer to “Protective Circuit” in the NOTICE
(page 3).
11
General Specifications (English only)
General Specifications
General CHR15 CHR12M CHR10
System Type 2-way Speaker, Bass-reflex Type
Frequency Range (-10 dB) 49 Hz–20 kHz 61 Hz–20 kHz 55 Hz–20 kHz
Coverage Angle H90° × V60° H90° × V90° H90° × V60° (Rotatable)
Maximum SPL (Calculated, 1 m) 125 dB SPL 123 dB SPL 122 dB SPL
Crossover Frequency 2.0 kHz 1.5 kHz 2.5 kHz
Nominal Impedance 8 Ω 8 Ω 8 Ω
Power Rating
(IEC noise)
Sensitivity (1 W, 1 m) 95 dB SPL 93 dB SPL 93 dB SPL
Transducer LF Diameter 15" Cone, 2.5" Voice Coil 12" Cone, 2.5" Voice Coil 10" Cone, 2" Voice Coil
NOISE 250 W 250 W 175 W
PGM 500 W 500 W 350 W
MAX 1000 W 1000 W 700 W
Magnet Ferrite
HF Diameter 1.4" Voice Coil,
Compression Driver
Magnet Ferrite
1.75" Voice Coil,
Compression Driver, coaxial
1.4" Voice Coil,
Compression Driver
Enclosure CHR15 CHR12M CHR10
Material, Color Plywood, Black, Polyurea coating
Floor Monitor Angle — 57° —
Dimensions (W×H×D, with rubber feet) 432 × 692 × 405 mm 500 × 343 × 454 mm 305 × 494 × 300 mm
Net Weight 22.0 kg 15.6 kg 13.7 kg
Handles Side × 2 Side × 1 Top × 1
Pole Socket 35 mm × 2 (0 and 7 degree) 35 mm 35 mm
Rigging Points Top × 2, Rear × 1
(Fit for M10 Eyebolts)
Optional Speaker Bracket — — UB-DXRDHR10
Connectors SpeakON NL4MP × 2 (parallel connected)
—
Top × 2, Rear × 1
(Fit for M10 Eyebolts)
* 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.
* Der Inhalt dieser Bedienungsanleitung gilt für die neuesten technischen Daten zum Zeitpunkt der Veröffentlichung. Um die
neueste Version der Anleitung zu erhalten, rufen Sie die Website von Yamaha auf und laden Sie dann die Datei mit der Bedie-
nungsanleitung herunter.
* Le contenu de ce mode d’emploi s’applique aux dernières caractéristiques techniques connues à la date de publication du man-
uel. Pour obtenir la version la plus récente du manuel, accédez au site Web de Yamaha puis téléchargez le fichier du manuel
concerné.
* El contenido de este manual
se aplica a las últimas especificaciones según la fecha de publicación. Para obtener el último man-
ual, acceda al sitio web de Yamaha y descargue el archivo del manual.
* O conteúdo deste manual se aplica às especificações mais recentes a partir da data de publicação. Para obter o manual mais
recente, acesse o site da Yamaha e faça o download do arquivo do manual.
* Il contenuto del presente manuale si applica alle ultime specifiche tecniche a partire dalla data di pubblicazione. Per ottenere la
versione più recente del manuale, accedere al sito Web Yamaha e scaricare il file corrispondente.
* В содержании данного руководства приведены последние на момент публикации технические характеристики. Для
получения последней версии руководства посетите веб-сайт корпорации Yamaha и загрузите файл с руководством.
* 본 설명서의 내용은 발행일 현재 최신 사양을 기준으로 하고 있습니다. 최신 설명서를 가져오려면 Yamaha 웹사이트에 접속
후 해당 설명서 파일을 다운로드받으십시오.
* 本書は、発行時点での最新仕様で説明しています。最新版は、ヤマハウェブサイトからダウンロードできます。
108
Dimensions
405
2×M10
336
317
432
692
M10
644
80°
CHR15
Unit: mm
単位：mm
232
95
400
454
343
500
458
57°
CHR12M
Unit: mm
単位：mm
外形尺寸
109
2×M8
156
155
M8
2×M10
M8
214
205
155
85°
M10
446
305
494
M8
150
243.5
300
CHR10
Unit: mm
単位：mm
Dimensions
110
111
Yamaha Pro Audio global website
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VDK0350
Manual Development Group
© 2021 Yamaha Corporation
Published 03/2021
2021年3月
发行
POIN - A0
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