Atlas PA702 User Manual
ATLAS SOUND PA702, 2-CHANNEL 70W POWER AMPLIFIER
OWNER'S MANUAL
ATLAS SOUND PA702, 2-CHANNEL 70W POWER AMPLIFIER
ULTRA COMPACT DESIGN WITH INTEGRATED
VIDEO POLE MOUNT SUPPORT SYSTEM
Specifications are subject to change without notice
AtlasSound.com
1601 JACK MCKAY BOULEVARD ENNIS, TEXAS 75119 U.S.A. • TELEPHONE: (800) 876-3333 • FAX: (800) 765-3435
©2007 ATLAS SOUND LP Printed in China ATS002604 RevA 03/07 PP
ATLAS SOUND PA702, 2-CHANNEL 70W POWER AMPLIFIER
OWNER'S MANUAL
TABLE OF CONTENTS
Important Safety Instructions .......................................................................................................................................3
Introduction, Features, and Applications .....................................................................................................................
Front Panel Description ...............................................................................................................................................6
Rear Panel Description ................................................................................................................................................7
Mixer Function .............................................................................................................................................................9
Cabling, AC Sense ....................................................................................................................................................
Audio Sense .............................................................................................................................................................11
Placement and Mounting of the PA702 .....................................................................................................................
Pole Mounting of the PA702 ......................................................................................................................................13
Specifications ............................................................................................................................................................14
5
10
12
Warranty Information .................................................................................................................................................
16
Specifications are subject to change without notice
AtlasSound.com
1601 JACK MCKAY BOULEVARD ENNIS, TEXAS 75119 U.S.A. • TELEPHONE: (800) 876-3333 • FAX: (800) 765-3435
©2007 ATLAS SOUND LP Printed in China ATS002604 RevA 03/07
2
ATLAS SOUND PA702, 2-CHANNEL 70W POWER AMPLIFIER
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.
The exclamation point within an equilateral triangle is
intended to alert the user to the presence of important
operating and maintenance (servicing) instructions in the
literature accompanying the product.
OWNER'S MANUAL
IMPORTANT SAFETY INSTRUCTIONS
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 accordance with the manufacturer’s instructions.
8. Do not install near any heat sources such as radiators, heat registers, stoves, or other apparatus (inlcuding
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 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 apparatus.
11. Only use attachments/accessories specified by the manufacturer.
12. 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.
13. Unplug this apparatus during lightning storms or when unused for long periods of time.
14. 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.
15. WARNING: To reduce the risk of fire or electric shock, this apparatus should not be exposed to rain or moisture and
objects filled with liquids, such as vases, should not be placed on this apparatus.
16. To completely disconnect this equipment from the mains, disconnect the power supply cord plug from the receptacle.
17. The mains plug of the power supply cord shall remain readily operable.
Specifications are subject to change without notice
AtlasSound.com
©2007 ATLAS SOUND LP Printed in China ATS002604 RevA 03/07
1601 JACK MCKAY BOULEVARD ENNIS, TEXAS 75119 U.S.A. • TELEPHONE: (800) 876-3333 • FAX: (800) 765-3435
3
ATLAS SOUND PA702, 2-CHANNEL 70W POWER AMPLIFIER
OWNER'S MANUAL
WHEN THE DEVICE IS IN USE
• To prevent electric shock, do not remove the product cover as there are high voltage components inside. Refer
all servicing to Atlas Sound.
• Should any of the following irregularities occur during use, immediately switch off the power,
disconnect the power cord from the AC outlet and contact Atlas Sound. Do not to attempt to continue
operation with the product as this may cause fire or electric shock:
• Smoke or strange smell coming from the unit.
• If the product falls or the case is damaged.
• If water or any metallic objects falls into the product.
• If the power supply cord is damaged in any way.
• If the unit is malfunctioning.
• Do not insert or drop metallic objects or flammable materials into the ventilation holes of the product's
cover, as this may result in electric shock or fire.
• Do not place any containers with liquid or metallic objects on the top of the product. If any liquid spills
into the unit, fire or electric shock may result.
• Never operate this product or touch the power supply cord during an electrical storm, electric shock may result.
• Never exceed the wattage on the product when connecting equipment. Fire and/or property damage may result.
• Operate the product only with the voltage specified on the unit. Fire and/or electric shock may result if a higher
voltage is used.
• Do not modify, kink, or cut the power cord. Do not place the power cord in close proximity to heaters and do not
place heavy objects on the power cord, including the product itself, doing so may result in fire or electrical shock.
• Replace the protective cover over the speaker terminals after installation. Do not touch the 70V speaker terminals
as electric shock may result.
• Ensure that the safety ground terminal is connected to a proper ground. Never connect the ground to a gas pipe
as a catastrophic disaster may result.
• Be sure the installation of the product is stable, avoid slanted surfaces as the product may fall and cause injury or
property damage.
WARNING
When Installing the Product
• Plugging in or unplugging the power cord with wet hands may result in electric shock.
• Never move the unit with the power cord plugged into the wall, as damage to the power cord may result.
When unplugging the cord from the wall, grasp the plug,
• Never install this product in humid or dusty locations, nor in direct sunlight, near sources of heat, or in areas
where sooty smoke or steam are present. Fire and electric shock may result.
• Keep all sides of the unit at least 31⁄2" away from objects that may obstruct air flow to prevent the unit's internal
temperature rise.
Specifications are subject to change without notice
CAUTION
NOT the cord.
AtlasSound.com
1601 JACK MCKAY BOULEVARD ENNIS, TEXAS 75119 U.S.A. • TELEPHONE: (800) 876-3333 • FAX: (800) 765-3435
©2007 ATLAS SOUND LP Printed in China ATS002604 RevA 03/07
4
ATLAS SOUND PA702, 2-CHANNEL 70W POWER AMPLIFIER
OWNER'S MANUAL
When the Product is in Use
• When powering the product up for the first time, ensure that the level control is turned down. Unexpected high
sound pressure levels may be present at the speakers and result in hearing loss.
• Never place heavy objects on the product, causing it to fall and/or break, resulting in personal injury and property
damage. In addition, the product itself may fall and cause injury and property damage.
• Never operate the product for extended periods with the sound in a distorted condition. This is an indication of a
malfunction, which may result in excessive heat being generated and causing a fire.
• Contact Atlas Sound for instructions on cleaning the inside of the unit. Large accumulations of dust inside the unit
may result in heat buildup and fire.
• Ensure that the power supply plug is securely plugged into the wall outlet. Never allow dust to accumulate on the
power plug or inside the wall outlet.
• When cleaning the unit or the unit is not to be operated for an extended time period, unplug the power cord from the wall.
CAUTION
Introduction
Thank for purchasing the Atlas Sound PA702 amplifier. This new and innovative professional grade product has been designed
from the ground up to include the important features that professional installation personnel require to meet or exceed their
customer’s expectations. Small and compact, and engineered for reliability, the Atlas Sound PA702 will provide years of service
and flexibility in today’s conferencing, background music and paging applications.
Key Features
• 70 Watt x 2, compact power amplifier
• 1RU tall by 1⁄2 rack wide
• Ultra efficient amplification technology, convection cooled
• Patent pending, through chassis mounting system
for use with pole mounted projector systems
• Energy efficient, only 16 watts draw in sleep mode
• Current sense auto turn-on
• Audio sense auto turn-on
• Balanced inputs via Phoenix connector
• Unbalanced inputs via RCA connectors, with separate level controls
• Mix function for two source input
• Unbalanced parallel combine
• Screwdriver adjust level controls
• Screwdriver adjustable tone controls
• Rack mountable, single unit or dual units
Applications
The Atlas Sound PA702 amplifier can be used for a number of applications. This amplifier features an ultra compact design
requiring only 1RU in height and 1⁄2 rack wide in space. The 70 watts per channel at 8 ohm gives the power to meet most
amplifier demands. The patent pending thru hole chassis design makes it convenient to use with ceiling mounted video
projectors. One or two units can be rack mounted also allowing it to be used in more traditional applications. Remote turn on
is easily accomplished by either audio or AC adjustable trigger sensors. If focused power is required a optional Hi-pass filter is
incorporated. The PA702 can be used for many in many ways ranging form boardroom, restaurant, commercial paging and back
ground music applications.
Specifications are subject to change without notice
AtlasSound.com
1601 JACK MCKAY BOULEVARD ENNIS, TEXAS 75119 U.S.A. • TELEPHONE: (800) 876-3333 • FAX: (800) 765-3435
©2007 ATLAS SOUND LP Printed in China ATS002604 RevA 03/07
5
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