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Toa Mixerkonsol A-903MK2

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900 series
MIXER POWER AMPLIFIERS
A-903MK2
A-906MK2
A-912MK2
900
SERIES AMPL
IFIER A
–
903
MK
2
TO N
E D
E
F
EA
T
OFF ON
LO W
C
UT
OFF ON
S
IG N
ALNO R
MAL
PR OT E
CT
O
N
OF
F
PE A
K
P
OW ER
M
AST ER
IN
PUT 8
IN
PU T 7
IN
PU
T 6
IN
P
U
T 5
IN
PUT 4
IN P
UT 3
IN
PU
T 2
T
REB
L
E
IN
PU
T
1
BA
SS
OPERATING INSTRUCTIONS
Thank you for purchasing TOA's 900 Series Mixer Power Amplifier.
Please carefully follow the instructions in this manual to ensure long, trouble-free use of your equipment.
This figure represents the A-903MK2.
TABLE OF CONTENTS
1. IMPORTANT SAFETY INSTRUCTIONS ..... 2
2. SAFETY PRECAUTIONS ............................ 3
3. GENERAL DESCRIPTION .......................... 5
4. FEATURES .................................................. 5
5. NOMENCLATURE AND FUNCTIONS ........ 6
6. INSTALLATION AND CONNECTIONS
6.1. Module Installation ................................ 8
6.2. Speaker Connections ............................ 9
6.3. Remote Control Connections .............. 11
7.
RACK MOUNTING BRACKET ATTACHMENT
... 12
8. OPERATION .............................................. 13
9. VOLUME CONTROL COVER ................... 13
10. DIMENSIONAL DIAGRAMS
10.1. A-903MK2 ......................................... 14
10.2. A-906MK2, A-912MK2 ...................... 14
11. SPECIFICATIONS
11.1. A-903MK2 ......................................... 15
11.2. A-906MK2, A-912MK2 ...................... 16
2
1. IMPORTANT SAFETY INSTRUCTIONS
• Read these instructions.
• Keep these instructions.
• Heed all warnings.
• Follow all instructions.
• Do not use this apparatus near water.
• Clean only with dry cloth.
• Do not block any ventilation openings. Install in accordance with the manufacturer's instructions.
• Do not install near any heat sources such as radiators, heat registers, stoves, or other apparatus (including
amplifiers) that produce heat.
• 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 provided plug does not fit into your outlet, consult
an electrician for replacement of the obsolete outlet.
• Protect the power cord from being walked on or pinched particularly at plugs, convenience receptacles, and
the point where they exit from the apparatus.
• Only use attachments/accessories specified by the manufacturer.
• Use only with the cart, stand, tripod, bracket, or table specified by the manufacturer,
or sold with the apparatus. When a cart is used, use caution when moving the
cart/apparatus combination to avoid injury from tip-over.
• Unplug this apparatus during lightning storms or when unused for long periods of time.
• Refer all servicing to qualified service personnel. Servicing 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.
INSTRUCTIONS ESSENTIELLES POUR LA SÉCURITÉ
• Lire ces instructions.
• Conserver ces instructions pour référence ultérieure.
• Respecter tous les avertissements.
• Suivre toutes les instructions.
• Ne pas utiliser cet appareil à proximité d'eau.
• Nettoyer uniquement à l'aide d'un chiffon sec.
• Ne pas obstruer les orifices de ventilation. Installer conformément aux instructions du fabricant.
• Ne pas installer à proximité de sources de chaleur telles que des radiateurs, des registres thermiques, des
chaudières ou d'autres appareils (notamment des amplificateurs) produisant de la chaleur.
• Ne pas contourner la fonction de sécurité de la fiche polarisée ou de mise à la terre. Une fiche polarisée est
équipée de deux broches, dont l'une est plus large que l'autre. Une fiche de mise à la terre est équipée de
deux broches et d'une troisième pour la mise à la terre. Cette dernière, la plus large, est prévue à des fins
de sécurité. Si la fiche fournie ne peut être insérée dans la prise électrique souhaitée, consulter un
électricien pour faire remplacer cette dernière.
• Protéger le cordon d'alimentation pour éviter qu'il ne soit piétiné ou pincé, notamment au niveau des fiches,
des prises de courant ou de son point de sortie de l'appareil.
• Utiliser uniquement les accessoires spécifiés par le fabricant.
• Utiliser uniquement avec le chariot, support, trépied, la patte de montage ou la table
spécifiés par le fabricant ou vendus avec l'appareil. En cas d'utilisation d'un chariot,
manipuler la combinaison chariot/appareil pour éviter les blessures dues à un
renversement.
• Débrancher cet appareil pendant les orages ainsi que lorsqu'il reste inutilisé pendant une période prolongée.
• La maintenance de l'appareil doit être confiée à un technicien après-vente qualifié. Une maintenance s'avère
nécessaire si l'appareil est endommagé (au niveau du cordon d'alimentation ou de la fiche), a été mouillé
par un liquide, un objet est tombé à l'intérieur, s'il a été exposé à la pluie ou l'humidité, s'il ne fonctionne pas
normalement ou s'il est tombé.
3
2. SAFETY PRECAUTIONS
• Before installation or use, be sure to carefully read all the instructions in this section for correct and safe
operation.
• Be sure to follow all the precautionary instructions in this section, which contain important warnings and/or
cautions regarding safety.
• After reading, keep this manual handy for future reference.
Safety Symbol and Message Conventions
Safety symbols and messages described below are used in this manual to prevent bodily injury and property
damage which could result from mishandling. Before operating your product, read this manual first and
understand the safety symbols and messages so you are thoroughly aware of the potential safety hazards.
When Installing the Unit
• Do not expose the unit to rain or an environment where it may be splashed by water or other liquids, as
doing so may result in fire or electric shock.
• Use the unit only with the voltage specified on the unit. Using a voltage higher than that which is specified
may result in fire or electric shock.
• Do not cut, kink, otherwise damage nor modify the power supply cord. In addition, avoid using the power
cord in close proximity to heaters, and never place heavy objects -- including the unit itself -- on the power
cord, as doing so may result in fire or electric shock.
• Be sure to replace the unit's terminal cover after connection completion. Because high voltage is applied to
the speaker output terminals, never touch these terminals to avoid electric shock.
• Avoid installing or mounting the unit in unstable locations, such as on a rickety table or a slanted surface.
Doing so may result in the unit falling down and causing personal injury and/or property damage.
• External wiring connected to the terminals marked with requires installation by an instructed person.
• The apparatus shall be connected to a mains socket outlet with a protective earthing connection.
• L'appareil doit être branché à une prise d'alimentation avec mise à la terre de protection.
• The socket-outlet shall be installed near the equipment and the plug shall be easily accessible.
• Use the optional Rack mounting bracket MB-25B when mounting the unit in an equipment rack. Remove
four M4 x 8 screws on both sides of the unit, and mount the bracket there using the M4 x 16 screws
(supplied with the bracket) instead.
When the Unit is in Use
• Should the following irregularity be found during use, immediately switch off the power, disconnect the power
supply plug from the AC outlet and contact your nearest TOA dealer. Make no further attempt to operate the
unit in this condition as this may cause fire or electric shock.
· If you detect smoke or a strange smell coming from the unit
· If water or any metallic object gets into the unit
· If the unit falls, or the unit case breaks
· If the power supply cord is damaged (exposure of the core, disconnection, etc.)
· If it is malfunctioning (no tone sounds.)
• To prevent a fire or electric shock, never open nor remove the unit case as there are high voltage
components inside the unit. Refer all servicing to your nearest TOA dealer.
• Do not place cups, bowls, or other containers of liquid or metallic objects on top of the unit. If they
accidentally spill into the unit, this may cause a fire or electric shock.
• Do not insert nor drop metallic objects or flammable materials in the ventilation slots of the unit's cover, as
this may result in fire or electric shock.
Indicates a potentially hazardous situation which, if mishandled,
could result in death or serious personal injury.
WARNING
The exclamation point within an equilateral triangle is intended to alert the user to the presence of
important operation and maintenance (servicing) instruction in the literature accompanying the
appliance.
Le point d'exclamation à l'intérieur d'un triangle équilatéral avertit l'utilisateur de l'existence
d'instructions d'utilisation et d'entretien (réparation) dans la documentation fournie avec l'appareil.

Produktspecifikationer

Varumärke: Toa
Kategori: Mixerkonsol
Modell: A-903MK2

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