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9000 SERIES AMPLIFIERS P-9060DH P-9120DH OPERATING INSTRUCTIONS
9000 SERIES AMPLIFIERS
P-9060DH
P-9120DH
Thank you for purchasing TOA's 9000 series Amplifier.
Please carefully follow the instructions in this manual to ensure long, trouble-free use of your equipment.
TABLE OF CONTENTS
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1. IMPORTANT SAFETY INSTRUCTIONS ....... 2
2. SAFETY PRECAUTIONS .............................. 3
3. GENERAL DESCRIPTION ............................ 5
4. FEATURES .................................................... 5
5. INSTALLATION PRECAUTIONS
5.1. When Installing the Unit on the Desk ...... 5
5.2. When Mounting the Unit
on an Equipment Rack ............................ 5
6. HANDLING PRECAUTIONS ......................... 5
7. NOMENCLATURE AND FUNCTIONS
[Front] ............................................................. 6
[Rear] ............................................................. 7
8. CONNECTIONS
8.1. Speaker Output Terminal Connections ... 8
8.2. Input Terminal Connections .................... 9
8.3. Removable Terminal Plug Connection ... 10
9. RACK MOUNTING BRACKET
ATTACHMENT .......................................... 11
10. OPERATION .............................................. 12
11. VOLUME ADJUSTMENT .......................... 12
12. VOLUME CONTROL COVER
ATTACHMENT .......................................... 12
13. PROTECTION OPERATION LIST ........... 12
14. BLOCK DIAGRAM .................................... 13
15. DIMENSIONAL DIAGRAM ........................ 14
16. SPECIFICATIONS
16.1. P-9060DH ......................................... 15
16.2. P-9120DH.......................................... 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. 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 attach the supplied 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.
The socket-outlet shall be installed near the equipment and the plug shall be easily accessible.
Use the supplied rack mounting bracket 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 supplied M4 x 16 screws 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.
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. 4
When Installing the Unit
Never plug in nor remove the power supply plug with wet hands, as doing so may cause electric shock.
When unplugging the power supply cord, be sure to grasp the power supply plug; never pull on the cord
itself. Operating the unit with a damaged power supply cord may cause a fire or electric shock.
Do not block the ventilation slots in the unit's cover. Doing so may cause heat to build up inside the unit and
result in fire.
Avoid installing the unit in humid or dusty locations, in locations exposed to the direct sunlight, near the
heaters, or in locations generating sooty smoke or steam as doing otherwise may result in fire or electric
shock.
To avoid electric shocks, be sure to unplug the unit's power supply cord when connecting speakers.
Be sure to follow the instructions below when rack-mounting the unit. Failure to do so may cause a fire or
personal injury.
· Install the equipment rack on a stable, hard floor. Fix it with anchor bolts or take other arrangements to
prevent it from falling down.
· When connecting the unit's power cord to an AC outlet, use the AC outlet with current capacity allowable to
the unit.
· No rack-mounting screws are supplied with the unit. Separately prepare the appropriate screws for the
rack.
Keep the amplifier over 10 cm (3.94") away from
objects that may obstruct air flow to prevent the unit's
internal temperature rise.
When the Unit is in Use
Do not operate the unit for an extended period of time with the sound distorting. This is an indication of a
malfunction, which in turn can cause heat to generate and result in a fire.
Switch off the power, and unplug the power supply plug from the AC outlet for safety purposes when
cleaning or leaving the unit unused f