Meyer Sound ACHERON-100 Instructions
OPERATING INSTRUCTIONS
Acheron® Designer Screen Channel Loudspeaker
Keep these important operating instructions.
Check www.meyersound.com for updates.
DECLARATION OF CONFORMITY ACCORDING TO ISO/IEC GUIDE 22 AND EN 45014
Manufacturer’s Name: Meyer Sound Laboratories Inc.
Manufacturer’s Address: 2832 San Pablo Avenue
Berkeley, CA 94702-2204, USA
Declares that the product:
Product Names: Acheron Designer Screen Channel Loudspeaker System
Product Options: All
Conforms to the following Product Specifications:
Safety: EN 60065:2002
Supplementary Information: The product herewith complies with the requirements of the Low Voltage
Directive (LVD) 2006/95/EC and the EMC Directive 2004/108/EC.
Signature:
Ms. Margie Garza
Director of Quality
Meyer Sound Laboratories Inc.
Berkeley, California 94702 USA
Issued October 13, 2011
European Contact:
Your local Meyer Sound dealer or
Meyer Sound Germany, GmbH.
© 2012
Meyer Sound. All rights reserved.
Acheron Designer Operating Instructions, PN 05.211.005.01 A
The contents of this manual are furnished for informational purposes only, are subject to change without notice, and should not be construed as a commitment by Meyer Sound Laboratories Inc. Meyer Sound assumes no responsibility or liability for any errors or inaccuracies that may appear in this manual. Except as permitted by applicable copyright law, no part of this publication may be reproduced,
stored in a retrieval system, or transmitted, in any form or by any means, electronic, mechanical, recording or otherwise, without prior written permission from Meyer Sound.
EXP, Intelligent AC, MAPP Online Pro, RMS, QuietCool, and all alpha-numeric designations for Meyer Sound products and accessories are
trademarks of Meyer Sound. Acheron Designer, Compass, Galileo, Meyer Sound, the Meyer Sound wave logo, and SIM are registered
trademarks of Meyer Sound Laboratories Inc. (Reg. U.S. Pat. & Tm. Off.). All third-party trademarks mentioned herein are the property of
their respective trademark holders.
ii
SYMBOLS USED
!
!
!
These symbols indicate important safety or operating features in this booklet and on the chassis:
Dangerous voltages: risk of
electric shock
Pour indiquer les risques
résultant de tensions dangereuses
Warnung vor gef
elektrischer Spannung
Para indicar voltajes peligrosos Instrucciones importantes de
ährlicher
Important operating instructions Frame or chassis Protective earth ground
Pour indequer important
instructions
Wichtige Betriebsanweisung oder
Gebrauchsanleitung
funcionamiento y/o manteniento
IMPORTANT SAFETY INSTRUCTIONS
1. Read these instructions.
2. Keep these instructions.
3. Heed all warnings.
4. Follow all instructions.
5. Do not use this loudspeaker near water.
6. Clean only with dry cloth.
7. Do not block any ventilation openings. Install in accordance with Meyer Sound’s installation instructions.
8. Do not install near any heat sources such as radiators,
heat registers, stoves, or other apparatus that produce
heat.
9. Do not defeat the safety purpose of the grounding-type
plug. A grounding type plug has two blades and a third
grounding prong. The third prong is provided for your
safety. If the provided plug does not fit into your outlet,
consult an electrician 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 loudspeaker. The AC
mains plug or appliance coupler shall remain readily
accessible for operation.
Masse, châssis Terre de protection
Rahmen oder Geh
Armadura o chassis Tierra proteccionista
äuse
Masse Schutzleiter
11.Only use attachments/accessories specified by Meyer
Sound.
12.If applicable, use only with the caster rails or rigging
specified by Meyer Sound, or sold with the loudspeaker.
Handles are for carrying only.
CAUTION: Rigging should only be done by
experienced professionals.
13.Unplug this loudspeaker during lightning storms or when
unused for long periods of time.
14.Disconnect the mains plug before disconnecting the
power cord from the loudspeaker.
15.Refer all servicing to qualified service personnel. Servicing is required when the loudspeaker has been damaged
in any way, such as when the power-supply cord or plug
has been damaged; liquid has been spilled or objects
have fallen into the loudspeaker; rain or moisture has
entered the loudspeaker; the loudspeaker has been
dropped; or when for undetermined reasons the loudspeaker does not operate normally.
CAUTION: To reduce the risk of electric shock,
do not expose this loudspeaker to rain or moisture. Do not install the loudspeaker in wet or humid
locations without using weather protection equipment from Meyer Sound.
iii
SAFETY SUMMARY
English
To reduce the risk of electric shock, dis-
connect the loudspeaker from the AC
mains before installing audio cable.
Reconnect the power cord only after
making all signal connections.
Connect the loudspeaker to a two-pole,
three-wire grounding mains receptacle.
The receptacle must be connected to a
fuse or circuit breaker. Connection to
any other type of receptacle poses a
shock hazard and may violate local
electrical codes.
Do not install the loudspeaker in wet or
humid locations without using weather
protection equipment from Meyer
Sound.
Do not allow water or any foreign object
to get inside the loudspeaker. Do not
put objects containing liquid on or near
the unit.
To reduce the risk of overheating the
loudspeaker, avoid exposing it to direct
sunlight. Do not install the unit near
heat-emitting appliances, such as a
room heater or stove.
This loudspeaker contains potentially
hazardous voltages. Do not attempt to
disassemble the unit. The unit contains
no user-serviceable parts. Repairs
should be performed only by factorytrained service personnel.
Français
Pour réduire le risque d’électrocution,
débrancher la prise principale de l’hautparleur, avant d’installer le câble d’interface allant à l’audio. Ne rebrancher le
bloc d’alimentation qu’après avoir
effectué toutes les connections.
Branchez l’haut-parleur dans une prise
de courant à 3 dérivations (deux pôles
et la terre). Cette prise doit être munie
d’une protection adéquate (fusible ou
coupe-circuit). Le branchement dans
tout autre genre de prise pourrait
entraîner un risque d’électrocution et
peut constituer une infraction à la réglementation locale concernant les installations électriques.
Ne pas installer l’haut-parleur dans un
endroit où il y a de l’eau ou une
humidité excessive.
Ne pas laisser de l’eau ou tout objet
pénétrer dans l’haut-parleur. Ne pas
placer de r´cipients contenant un liquide
sur cet appareil, ni à proximité de celuici.
Pour éviter une surchauffe de l’haut-
parleur, conserver-la à l’abri du soleil.
Ne pas installer à proximité d’appareils
dégageant de la chaleur tels que radiateurs ou appareils de chauffage.
Ce haut-parleur contient des circuits
haute tension présentant un danger. Ne
jamais essayer de le démonter. Il n’y a
aucun composant qui puisse être
réparé par l’utilisateur. Toutes les réparations doivent être effectuées par du
personnel qualifié et agréé par le constructeur.
Deutsch
Um die Gefahr eines elektrischen
Schlages auf ein Minimum zu reduzieren, den Lautsprecher vom Stromnetz
trennen, bevor ggf. ein Audio-Schnittstellensignalkabel angeschlossen wird.
Das Netzkabel erst nach Herstellung
aller Signalverbindungen wieder einstecken.
Der Lautsprecher an eine geerdete
zweipolige Dreiphasen-Netzsteckdose
anschließen. Die Steckdose muß mit
einem geeigneten Abzweigschutz
(Sicherung oder Leistungsschalter) verbunden sein. Der Anschluß der unterbrechungsfreien Stromversorgung an
einen anderen Steckdosentyp kann zu
Stromschlägen führen und gegen die
örtlichen Vorschriften verstoßen.
Der Lautsprecher nicht an einem Ort
aufstellen, an dem sie mit Wasser oder
übermäßig hoher Luftfeuchtigkeit in
Berührung kommen könnte.
Darauf achten, daß weder Wasser noch
Fremdkörper in das Innere den
Lautsprecher eindringen. Keine
Objekte, die Flüssigkeit enthalten, auf
oder neben die unterbrechungsfreie
Stromversorgung stellen.
Um ein Überhitzen dem Lautsprecher
zu verhindern, das Gerät vor direkter
Sonneneinstrahlung fernhalten und
nicht in der Nähe von wärmeabstrahlenden
Haushaltsgeräten (z.B. Heizgerät oder
Herd) aufstellen.
Im Inneren diesem Lautsprecher herr-
schen potentiell gefährliche Spannungen. Nicht versuchen, das Gerät zu öffnen. Es enthält keine vom Benutzer
reparierbaren Teile. Reparaturen dürfen
nur von ausgebildetem Kundenienstpersonal durchgeführt werden.
Español
Para reducir el riesgo de descarga eléc-
trica, desconecte de la red de voltaje el
altoparlante antes de instalar el cable
de señal de audio. Vuelva a conectar la
alimentacion de voltaje una vez efectuadas todas las interconexiones de
señalizacion de audio.
Conecte el altoparlante a un tomacorri-
ente bipolar y trifilar con neutro de
puesta a tierra. El tomacorriente debe
estar conectado a la protección de derivación apropiada (ya sea un fusible o un
disyuntor). La conexión a cualquier otro
tipo de tomacorriente puede constituir
peligro de descarga eléctrica y violar los
códigos eléctricos locales.
No instale el altoparlante en lugares
donde haya agua o humedad excesiva.
No deje que en el altoparlante entre
agua ni ningún objeto extraño. No
ponga objetos con líquidos encima de
la unidad ni cerca de ella.
Para reducir el riesgo de sobrecalenta-
miento, no exponga la unidad a los
rayos directos del sol ni la instale cerca
de artefactos que emiten calor, como
estufas o cocinas.
Este altoparlante contiene niveles de
voltaje peligrosos en potencia. No
intente desarmar la unidad, pues no
contiene piezas que puedan ser repardas por el usuario. Las reparaciones
deben efectuarse únicamente por parte
del personal de mantenimiento capacitado en la fábrica.
iv
CONTENTS
Chapter 1: Introduction 7
How to Use This Manual 7
Acheron Designer Screen Channel Loudspeaker 7
Chapter 2: Power Requirements 9
AC Connectors 9
Wiring for AC Connections 10
AC Power Distribution 10
Acheron Designer Voltage Requirements 11
Powering Up the Acheron Designer 11
Acheron Designer Current Requirements 11
Electrical Safety Guidelines 12
Chapter 3: Amplification and Audio 13
Audio Connectors 13
Limiting 14
On/Status LED 15
Chapter 4: Rigging 17
MYA-DES Cradle-Style Yoke 17
Chapter 5: RMS Remote Monitoring System 19
RMS Software 19
RMS Module 20
Neuron ID for the RMS Module 21
Resetting the RMS Module 21
Chapter 6: System Design and Integration Tools 23
MAPP Online Cinema 23
SIM 3 Measurement System 24
Appendix A: Acheron Designer Specifications 25
v
CONTENTS
vi
CHAPTER 1: INTRODUCTION
!
HOW TO USE THIS MANUAL
Make sure to read these operating instructions in their
entirety before configuring a loudspeaker system with
Acheron Designer loudspeakers. In particular, pay close
attention to material related to safety issues.
As you read these operating instructions, you will encounter
the following icons for notes, tips, and cautions:
NOTE: A note identifies an important or useful
piece of information relating to the topic under
discussion.
TIP: A tip offers a helpful tip relevant to the topic
at hand.
CAUTION: A caution gives notice that an
action may have serious consequences and
could cause harm to equipment or personnel, and
could cause delays or other problems.
Information and specifications are subject to change.
Updates and supplementary information are available at
www.meyersound.com
.
ACHERON DESIGNER SCREEN CHANNEL LOUDSPEAKER
At the heart of Meyer Sound's EXP line of cinema products
®
are the Acheron
speakers. The Acheron Designer is the most compact of the
Acheron models, making it an excellent choice for sound
design suites, screening rooms, private theatres, and small
commercial theatres. Optimized for installation behind perforated screens, the Acheron Designer combines the advantages of self-powered technology and innovative horn
design to deliver exceptional, precise coverage for the left,
center, and right screen channels for cinema.
high-performance screen channel loud-
Meyer Sound Technical Support is available at:
■ Te l: +1 510 486.1166
■ Te l: +1 510 486.0657 (after hours support)
■ Web: www.meyersound.com/support
■ Email: techsupport@meyersound.com
Acheron Designer (without Optional Grille Frame)
The Acheron Designer uses the same patent-pending horn
technology and high-frequency compression driver as the
other Acheron models, delivering the same 38 Hz to 17 kHz
frequency response. This consistency of fidelity between
Acheron models ensures that soundtracks monitored with
the Acheron Designer translate accurately when played
back in larger rooms with the Acheron 100, Acheron 80,
Acheron Studio, or other calibrated cinema system.
7
CHAPTER 1: INTRODUCTION
Designed specifically for cinema, the Acheron horn features
a very soft roll-off beyond its 80-degree horizontal by 50degree vertical coverage pattern. The extremely wellbehaved horn ensures an accurate acoustic crossover and
consistent vertical coverage pattern through the critical
crossover range between the low- and high-frequency drivers. The optimized crossover point places most of the dialog
in the horn, which is ideal for cinema applications.
Designed and manufactured at Meyer Sound's headquarters in Berkeley, California, the Acheron Designer’s drivers
include one 12-inch low-frequency cone driver, housed in an
optimally tuned, ported enclosure, and one high-frequency
4-inch diaphragm compression driver. The drivers yield
uncompromising quality and are powered by sophisticated
onboard amplification. The self-powered design ensures
consistent results and simplifies installations in both new
and existing rooms.
The Acheron Designer enclosure is constructed of premium
birch plywood and coated with a low-gloss, black-textured
finish. The cabinet bottom is fitted with two threaded M6
attachment points for the optional MYA-DES cradle-style
yoke, allowing the unit to be suspended from a single hanging point.
Acheron Designer with Recessed Heat Sink
A proprietary two-channel, Class-D amplifier powers each
driver channel independently. Onboard processing includes
driver protection circuitry, an electronic crossover, and correction filters, ensuring flat frequency and phase responses.
The rear-mounted, recessed heat sink yields efficient convection cooling, and allows the unit to be placed flat against
walls, when necessary.
The optional RMS™ remote monitoring system provides
comprehensive monitoring of system parameters on a
Windows
®
-based computer.
Acheron Designer with Optional MYA-DES Cradle-Style Yoke
An optional, black cloth grille frame update kit is available
for installations where the Acheron Designer is not placed
behind a screen.
Acheron Designer with Optional Grille Frame
8
CHAPTER 2: POWER REQUIREMENTS
AC LOOP
OUTPUT
100-240V~
50-60 Hz
8A MAX
Class 1 Wiring
AC INPUT
RATING
100-240V
~
50-60 Hz
4A MAX
DO NOT
DISCONNECT
UNDER LOAD
Made in USA with domestic and fo reign parts www.meyersound.com
COMMERCIAL
AUDIO SYSTEM
3JKB
!
!
The Acheron Designer combines advanced loudspeaker
technology with equally advanced power capabilities.
Understanding power distribution, voltage and current
requirements, and electrical safety guidelines is critical to
the safe operation of the Acheron Designer.
AC CONNECTORS
The Acheron Designer user panel includes 3-pole, PowerCon AC connectors.
AC Input (Left) and AC Loop Output (Right) Connectors
AC Input Connector (Blue)
The blue AC Input connector supplies power to the
Acheron Designer loudspeaker. The connector is rated at
20 amps and uses a PowerCon3 AC mains locking connector that prevents accidental disconnections. A 10-foot AC
power cable, rated at 15 amps, is included with each
Acheron Designer. If you replace the included AC power
cable, make sure to use a cable with the appropriate power
plug (on the other end) for the region in which you will operate the unit.
The AC Input connector also supplies power to any additional loudspeakers connected to the Acheron Designer’s
gray Loop Output connector. Each Acheron Designer loudspeaker requires approximately 3.24 A rms maximum at
115 V AC and 1.74 A rms maximum at 230 V AC for proper
operation.
CAUTION: When using the included AC power
cable, do not loop more than three additional
Acheron Designers from the AC Loop Output connector at 115 V (four total for the circuit), and not
more than seven at 230 V (eight total for the circuit).
AC Loop Output Connector (Gray)
The gray AC Loop Output connector allows multiple
Acheron Designers to be looped and powered from a single
power source. Connect the AC Loop Output of the first
Acheron Designer to the AC Input of the second unit, and so
forth. The AC Loop Output uses a PowerCon3 AC mains locking connector that prevents accidental disconnections.
The maximum number of loudspeakers that can be looped
from the Loop Output connector is determined by the voltage of the power source, the current draw of the looped
loudspeakers, the circuit breaker rating, and the rating of the
AC power cable connected to Acheron Designer.
Table 1: Maximum Number of Acheron Designers that Can Be
Looped with AC Power
Circuit Breaker/
Connector Rating
15 amps 3 looped
20 amps 5 looped
NOTE: The Acheron Designer current draw is
dynamic and fluctuates as operating levels
change. The numbers in Table 1 assume that operating levels are normal and not such that the loudspeakers are constantly limiting.
Each Acheron Designer ships with one AC looping connector for making AC looping cables. Assembled AC looping
cables are available from Meyer Sound.
CAUTION: Do not exceed the current capabil-
ity of the 20-amp Input connector for the
Acheron Designer. When looping loudspeakers, consider the total current draw for all loudspeakers on
the circuit, including the first loudspeaker.
115 V AC 230 V AC 100 V AC
(4 total)
(6 total)
7 looped
(8 total)
10 looped
(11 total)
2 looped
(3 total)
3 looped
(4 total)
9
CHAPTER 2: POWER REQUIREMENTS
Blue = neutral
Brown = hot
Yel l o w/ g r een =
earth ground
(chassis)
!
!
Line 1
Line 2 Line 3
Neutral
Earth Ground
WIRING FOR AC CONNECTIONS
The Acheron Designer requires a grounded outlet. To operate safely and effectively, it is extremely important that the
entire system be properly grounded.
AC Cable Wiring Scheme
When wiring international or special-purpose AC power
cables and connectors, use the following wiring scheme:
■ Connect the blue wire to the black terminal, or the termi-
nal marked with an N.
■ Connect the brown wire to the red terminal, or the termi-
nal marked with an L.
AC POWER DISTRIBUTION
All components in an audio system (self-powered loudspeakers, mixing consoles, and processors) must be properly connected to an AC power distribution system to ensure
that AC line polarity is preserved, and that all grounding
points are connected to a single node or common point
using the same cable gauge as the neutral and line cables.
NOTE: Improper grounding of connections
between loudspeakers and the rest of the
audio system may produce noise or hum, or cause
serious damage to the input and output stages of the
system’s electronic components.
CAUTION: Before applying AC power to any
Meyer Sound self-powered loudspeaker, make
sure that the voltage potential difference between the
neutral and earth-ground lines is less than 5 V AC
when using single-phase AC wiring.
Figure 1 illustrates a basic three-phase AC distribution system with the loudspeaker load distributed across the three
phases. All loudspeakers are connected to common neutral
and earth-ground lines.
■ Connect the yellow and green wire to the green (or green
and yellow) terminal, or the terminal marked with an E.
CAUTION: When creating AC power cables
and distribution systems, it is important to preserve AC line polarity and connect the earth ground
on both ends of the cable. The Acheron Designer
requires a grounded connection. Always use a
grounded outlet and plug. It is extremely important
that the system be properly grounded to operate
safely and properly. Do not ground-lift the AC cable.
Figure 1: AC Power Distribution System
10
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