Atlas Sound PA702 User's Manual
Contents
1. SERVICE Should your PA Series amplifier require service please contact the Atlas Sound warranty department at 1 877 689 8055 ext 277 to obtain an RA number Atlas Sound Tech Support can be reached at 1 800 876 3333 Visit our website at www AtlasSound com to see other Atlas products A t i as Specifications are subject to change without notice G c AtlasSound com Soun 1601 JACK MCKAY BOULEVARD ENNIS TEXAS 75119 U S A e TELEPHONE 800 876 3333 FAX 800 765 3435 2007 ATLAS SOUND LP Printed in China ATS002604 RevA 03 07 PP 162. When unplugging the cord from the wall grasp the plug NOT the cord 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 3 2 away from objects that may obstruct air flow to prevent the unit s internal temperature rise Specifications are subject to change without notice AtlasSound com Atlas 1601 JACK MCKAY BOULEVARD ENNIS TEXAS 75119 U S A e TELEPHONE 800 876 3333 FAX 800 765 3435 2007 ATLAS SOUND LP ATS002604 RevA 03 07 PP Printed in China ATLAS SOUND PA702 2 CHANNEL 70W POWER AMPLIFIER OWNER S MANUAL A CAUTION When the Product is in Use e 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 e 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 e 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 e Contact Atlas Sound for instructions on cleaning the inside of the unit Large accumulations of dus
3. 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 A t i as Specifications are subject to change without notice G d AtlasSound com Soun 1601 JACK MCKAY BOULEVARD ENNIS TEXAS 75119 U S A e 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 Left Right Atlas O O A Gouncd Signal Limit Signal 0 T Gain Right Gain Trebi Bass PA702 Amplifier OL LOLO O Front Panel 1 Power Switch This switch turns the AC Mains power to the amplifier on or off 2 Power LED Illuminates Red when the power switch is depressed Red means the amplifier has AC mains power to the unit and is standby or sleep mode When LED is Blue the unit is active and
4. ATLAS SOUND PA702 2 CHANNEL 70W POWER AMPLIFIER OWNER S MANUAL Switch 2 Sense AC Audio when Switch 1 is in the DOWN position you may select the type of remote turn on trigger Note the AC Mains Power Switch must also be in the ON position AC Trigger This switch function is used if you have an external device is plugged into the Unswitched AC outlet and you want that device to turn on or activate the amplifier The DOWN position of Switch 2 is for AC trigger meaning if a device such as a projector is plugged into the Unswitched AC outlet and is turned on the AC trigger circuitry will sense current draw and turn on the PA702 See AC Sense control below for sensitivity adjustments Audio Trigger This switch function is used if you have an external audio source plugged into either the RCA or Balanced inputs and you want that audio to turn on or activate the amplifier If Switch 2 is in the UP position itis in Audio Sense mode When audio is present at either the RCA or Balanced inputs the trigger circuitry will turn on the PA702 See Audio Sense control below for sensitivity adjustments Switch 3 Input Mono Stereo Switch this switch affects both the RCA and Balanced inputs When this switch is in the UP position only one input signal is needed to feed signal to both amplifier channels using the same signal Note the input sensitivity is reduced by 6dB in the MONO mode When this switch is in the DOWN position both input
5. Assembly Specifications are subject to change without notice AtlasSound com Atlas Sound 1601 JACK MCKAY BOULEVARD ENNIS TEXAS 75119 U S A e TELEPHONE 800 876 3333 FAX 800 765 3435 2007 ATLAS SOUND LP Printed in China ATS002604 RevA 03 07 PP 12 ATLAS SOUND PA702 2 CHANNEL 70W POWER AMPLIFIER OWNER S MANUAL SPECIFICATIONS OUTPUT POWER 70 Watts per channel 8Q RMS 1 THD 50 Watts per channel 4Q TOTAL HARMONIC DISTORTION FREQUENCY RESPONSE 3dB 30Hz 20 KHz No Hi Pass Filter 3dB 100Hz 20KHz Hi Pass engaged PROTECTION CIRCUITS AC fuse T3 15A 250v 5mm x 20mm Thermal short circuit Balanced 320mv Balanced 20k POWER REQUIREMENT 120 VAC 60 Hz POWER CONSUMPTION 16 watts Sleep Mode 8 5 x 1 3 4 x 13 5 216mm x 45mm x 343mm WEIGHT 4 9lbs 2 4Kg Unit Specifications are subject to change without notice AtlasSound com Atlas Sound 1601 JACK MCKAY BOULEVARD ENNIS TEXAS 75119 U S A e TELEPHONE 800 876 3333 FAX 800 765 3435 2007 ATLAS SOUND LP Printed in China ATS002604 RevA 03 07 PP 13 ATLAS SOUND PA702 2 CHANNEL 70W POWER AMPLIFIER OWNER S MANUAL NOTES Sound AtlasSound com 1601 JACK MCKAY BOULEVARD ENNIS TEXAS 75119 U S A e TELEPHONE 800 876 3333 FAX 800 765 3435 2007 ATLAS SOUND LP Printed in China ATS002604 RevA 03 07 PP Specifications are subject to change without notice O Atlas ATLAS
6. SE Gi A tte ER E E E SEES 13 Waranty IMtOnmmation mm Aa 16 Specifications are subject to change without notice AtlasSound com Atlas Sound 1601 JACK MCKAY BOULEVARD ENNIS TEXAS 75119 U S A e 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 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 CAUTION RISK OF ELECTRIC SHOCK DO NOT OPEN ATTENTION RISQUE DE DECHARGE ELECTRIQUE NE PAS OUVRIR 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 WARNING TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK DO NOT EXPOSE THIS APPLIANCE TO RAIN OR MOISTURE IM 1 oN Oa PF oO DY 10 11 12 13 14 15 16 17 Atlas Sound PORTANT 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
7. SOUND PA702 2 CHANNEL 70W POWER AMPLIFIER OWNER S MANUAL NOTES Sound AtlasSound com 1601 JACK MCKAY BOULEVARD ENNIS TEXAS 75119 U S A e TELEPHONE 800 876 3333 FAX 800 765 3435 2007 ATLAS SOUND LP Printed in China ATS002604 RevA 03 07 PP Specifications are subject to change without notice O Atlas ATLAS SOUND PA702 2 CHANNEL 70W POWER AMPLIFIER OWNER S MANUAL Limited Warranty All products manufactured by Atlas Sound are warranted to the original dealer installer industrial or commercial purchaser to be free from defects in material and workmanship and to be in compliance with our published specifications if any This warranty shall extend from the date of purchase for a period of three years on all Atlas Sound products including SOUNDOLIER brand and ATLAS SOUND brand products except as follows one year on electronics and control systems one year on replacement parts and one year on Musician Series stands and related accessories Additionally fuses and lamps carry no warranty Atlas Sound will solely at its discretion replace at no charge or repair free of charge defective parts or products when the product has been applied and used in accordance with our published operation and installation instructions We will not be responsible for defects caused by improper storage misuse including failure to provide reasonable and necessary maintenance accident abnormal atmospheres water immersion lightning discharg
8. are separated and operate as Stereo mode Switch 4 Hi Pass Filter In Out when this switch is in the UP position no input filter is applied With the switch in the DOWN position a 100Hz 12db Hi Pass filter is engaged at the input of each channel 8 Audio Sense Trigger Adjustment this potentiometer works when Dip Switch 1 is set to DOWN or SENSE ON position and Dip Switch 2 is in the UP or AUDIO position By rotating the potentiometer clockwise right the trigger point becomes less sensitive to turn on meaning it will take more audio signal at the input to turn on the amp Note Once the PA702 has sensed audio signal and has triggered on it will take15 20 min for it revert back into sleep mode even when there is no audio present The PA702 level controls have no affect on this feature 9 AC Sense Trigger Adjustment this potentiometer works when Dip Switch 1 is set to DOWN or SENSE ON position and Dip Switch 2 is in the DOWN or AC position By rotating the potentiometer clockwise right the trigger point becomes less sensitive to turn on meaning it will take more AC Current draw from the Unswitched AC outlet to turn on the amp Note When using the AC Sense mode between STANDBY OR SLEEP and ON is instantaneous as long as the AC Sense is set properly and the component plugged into the AC Unswitched socket is on drawing current A t i as Specifications are subject to change without notice G c AtlasSound
9. com Soun 1601 JACK MCKAY BOULEVARD ENNIS TEXAS 75119 U S A e 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 INSTALLATION AND CONSIDERATIONS Cabling The PA702 can be used with either balanced or unbalanced sources and the outputs can be used with either balanced or unbalanced loads provided the proper cabling is used A balanced line is defined as two conductor shielded cable with the two center conductors carrying the same signal but of opposite polarity when referenced to ground An unbalanced line is generally a single conductor shielded cable with the center conductor carrying the signal and the shield at ground potential Balanced Input Use 2 conductor w shield for low level signals of 20 22 gauge is best Maintain the proper polarity to to and shield to ground Note The ground center pin of the Phoenix connector is common for both channels Unbalanced inputs For the RCA inputs pre made RCA cables can be purchased from vendors to simplify interconnection to external devices For unbalanced signals using the Phoenix connector connect the pin of the amplifier input to the GND center pin and the pin to the positive of the source Speaker outputs Use 2 conductor unshielded wire of the appropriate gage If you are unsure about this contact Atlas Sound Tech Support at 1 8
10. the potentiometer adjustment labeled AUDIO SENSE rotate fully clockwise The AC mains Power LED should be Red still 5 Slowly apply audio signal from audio source until the AC Mains Power LED turns from Red to Blue Whenever there is an audio signal present at the inputs the PA702 automatically switches itself into from standby or sleep mode to amplifying the audio the signal into the room loudspeakers If the PA702 power LED does not turn from Red to Blue the amp is still in sleep mode Slowly rotate the potentiometer counter clockwise with audio present until the LED changes from Red to Blue If the adjustment is fully counter clockwise and the amp is still in sleep mode it may be necessary to increase the audio source output signal Note By rotating the potentiometer clockwise right the trigger point becomes less sensitive to turn on meaning it will take more audio signal at the input to turn on the amp 6 For proper audio triggering some experimentation may be necessary but once it is set properly the PA702 will not need readjusting Check the operation by turning audio source on and off Note If the sensitivity is set too high random switching may occur as the unit senses the residual noise level and may falsely trigger If this happens slightly rotate the potentiometer clockwise 7 Adjust the amplifier level controls and audio source to the desired listening level Specifications are subject to change without notice AtlasSound
11. will pass audio 3 Limit LED The Limit LED will illuminate Red if either channel of the PA702 reaches maximum output power or if a fault is detected with in the amplifier The PA702 features a true limiter circuit which help prevents the amplifier from hard clipping or from being over driven An occasional flash of the LED is OK if the LED is on continuously reduce the input level of the amp After the reducing the input level and the Limit LED remains on recheck the load connections to the amp 4 Left amp Right Signal LED s The Signal LED s illuminates Blue if there is audio signal present at the input of the amp 5 Left amp Right Input Gain The Left and Right rotary control varies the amplitude of the signal fed into the amplifier Turn clockwise to increase and counterclockwise to decrease the signal level 6 Bass Control Normally set at the 12 00 position unity gain rotating clockwise will increase boost bass frequencies to a maximum of 6dB at 100Hz Rotating counterclockwise from the 12 00 position will decrease cut bass frequencies to a maximum of 6dB at 100Hz Note This feature affects both the Left and Right Channels the same 7 Treble Control Normally set at the 12 00 position unity gain rotating clockwise will increase boost treble frequencies to a maximum of 6dB at 10kHz Rotating counterclockwise from the 12 00 position will decrease cut treble frequencies to a maximum of 6dB at 10kHz Note This feature aff
12. 00 876 3333 Make sure you know how many speakers you need and what load value you intend to use AC Sense Control Adjustment Rear Panel The PA702 can be remotely turned on via the Unswitched AC Outlet The PA702 mains power switch must be on to activate or adjust AC sense trigger control Prior to powering on the AC mains switch follow the instructions below Dip Switch setting to SENSE ON and AC ON Then plug a video projector or audio component into the Unswitched AC socket on the rear of the PA702 By using the potentiometer adjustment labeled AC SENSE rotate fully clockwise Turn on the AC Mains Power Switch of the PA702 Turn on the device video projector that is plugged into the AC socket If the PA702 power LED does not turn from Red to Blue the amp is still in sleep mode Slowly rotate the potentiometer counter clockwise until the LED changes from Red to Blue When Blue the amplifier will allow any audio that is at the audio inputs to be amplified 6 For proper triggering check the operation by turning video projector or component on and off When the accessory component is turned off the AC mains power LED should turn Red immediately If it remains Blue slightly rotate the adjustment clockwise until the LED turns Red By rotating the potentiometer clockwise right the trigger point becomes less sensitive to turn on meaning it will take more AC Current draw from the Unswitched AC outlet to turn on the amp Note Some comp
13. ATLAS SOUND PA702 2 CHANNEL 70W POWER AMPLIFIER OWNER S MANUAL Left Right Atlas O A Sound Signal Limit Signal O O O O Left Gain Right Gain Treble Bass PA702 Amplifier 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 e 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 nennen nnne nnne nne nnns a A a EO a Eo ar tnnt enne r nnne E 3 Introduction Features and Applications ssessssssssssssssessssseee eene nnnnnnnmrr nent nnnnnr lll nnn hnnntl sene nn nnmnnn nnne 5 Front Panel Description RC L 6 Rear usce Ea 7 Cablitig AC Acl 9 n blei l pee P 10 Placement and Mounting of the PATOZ ossia hosie erana teetan aen Eana EEE Eana Aa aE Ea GAES AEAT ERE Eai Sadr aaia 11 Pole Mountinig of the PATO2 1 5 De a a a ae iE ea E aa E Oeae ES aaan d Oe e ET 12 SpecifiCatioris kasen a a E REE E EE AE NE AE
14. com Atlas Sound 1601 JACK MCKAY BOULEVARD ENNIS TEXAS 75119 U S A e TELEPHONE 800 876 3333 FAX 800 765 3435 2007 ATLAS SOUND LP Printed in China ATS002604 RevA 03 07 PP 10 ATLAS SOUND PA702 2 CHANNEL 70W POWER AMPLIFIER OWNER S MANUAL Placement and mounting of the PA702 Turn off all equipment before making connections Mount amplifier in a standard width 19 rack It can be mounted above or below anything that does not generate excessive heat Although the unit s chassis is shielded against radio frequency and electromagnetic interference extremely high fields of RF and EMI should be avoided Ventilation The appliance should be situated so that its location or position does not interfere with its proper ventilation For example the PA702 should not be situated on sealed cabinet or on a shelf with obstacles on it that may impede the flow of air through the ventilation openings It is recommended that if the amp is not used in an open air pole mount that it be rack mounted into a commercial rack Heat The PA702 should be situated away from heat sources such as radiators heat registers stoves or other ap pliances including amplifiers that produce excessive heat Ambient temperatures should not exceed 113 F 45 C when equipment is in use Video Pole Mount The PA702 is ideally suited to be used in board or class room video audio applications The PA702 incorporates a 2 diameter hole trough the ce
15. e or malfunctions when products have been modified or operated in excess of rated power altered serviced or installed in other than a workman like manner The original sales invoice should be retained as evidence of purchase under the terms of this warranty All warranty returns must comply with our returns policy set forth below When products returned to Atlas Sound do not qualify for repair or replacement under our warranty repairs may be performed at prevailing costs for material and labor unless there is included with the returned product s a written request for an estimate of repair costs before any nonwarranty work is performed In the event of replacement or upon completion of repairs return shipment will be made with the transportation charges collect EXCEPT TO THE EXTENT THAT APPLICABLE LAW PREVENTS THE LIMITATION OF CONSEQUENTIAL DAMAGES FOR PERSONAL INJURY ATLAS SOUND SHALL NOT BE LIABLE IN TORT OR CONTRACT FOR ANY DIRECT CONSEQUENTIAL OR INCIDENTAL LOSS OR DAMAGE ARISING OUT OF THE INSTALLATION USE OR INABILITY TO USE THE PRODUCTS THE ABOVE WARRANTY IS IN LIEU OF ALL OTHER WARRANTIES INCLUDING BUT NOT LIMITED TO WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE Atlas Sound does not assume or does it authorize any other person to assume or extend on its behalf any other warranty obligation or liability This warranty gives you specific legal rights and you may have other rights which vary from state to state
16. ects both the Left and Right Channels the same Specifications are subject to change without notice AtlasSound com Atlas Sound 1601 JACK MCKAY BOULEVARD ENNIS TEXAS 75119 U S A e 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 mo 120V 60Hz 5A Left In Atlas Sound Y Sense On Off A 1601 Jack McKay Blvd Ennis TX 75119 Sense AC Audio Balanced In Speaker Out Input Stereo Mono L L Gnd R R L L Rt R i Pass In Out eo oO O i 000000000 Audio AC A f Sense Sense je wv atlassound c G4 oJ o 1 97 9 99 i Rear Panel 1 IEC AC Receptacle Connect this grounded power cord to 120VAC circuits only Serious damage may result otherwise 2 AC Mains Fuse For 100v 120v operation use Slow Blow T3 15A 250v 5mm x 20mm 3 UNSWITCHED OUTLET The un switched outlet provides power for other devices such as video projectors CD players or laptop computers This AC outlet is live all the time as long as the power cord is plugged into a live duplex outlet Keep the total power draw below 500W This outlet can also be used to remotely turn on the PA702 See AC Sense Trigger for more detailed informatio
17. n page 9 4 RCA Input Unbalanced signals are accepted when using the Left and Right RCA connectors 5 Balanced Input Connections Left and Right balanced input signals can be accomplished by wiring the removable Phoenix type connector per the labeling on the rear of the amp Note The middle pin is the common ground connection for both Left and Right input ground For unbalanced signals connect the and GND pins together 6 Speaker Connections A removable Phoenix type connector is supplied to connect your speakers to the PA702 It is recommended to use 16guage wire or higher for connection to the speaker Note Do not overload the amp by connecting to many speakers to the amp Four ohms per channel is the maximum load 7 Four Position Dip Switch Assignment Switch 1 Sense On Off this switch activates the PA702 remote turn on sensing circuits via either Audio or AC trigger When the switch is in the UP position all trigger circuits are bypassed The only way to turn the amp On or Off is via the mains AC Power Switch located on the front panel When in the DOWN position either the Audio or AC Sense turn on Triggers is activated See switch 2 for selection Specifications are subject to change without notice AtlasSound com Atlas Sound 1601 JACK MCKAY BOULEVARD ENNIS TEXAS 75119 U S A e TELEPHONE 800 876 3333 FAX 800 765 3435 2007 ATLAS SOUND LP ATS002604 RevA 03 07 PP Printed in China
18. nter of the chassis to allow for sharing the same support pole that standard ceiling video projectors mount to Enclosed with the PA702 is the support bracket and hardware to mount the PA702 to a pole Follow the below instructions for proper installation 1 Make sure the pole you are mounting the amp to does not exceed 2 or 51mm Common pipe to use for video projector mounting is 1 5 ID plumbing pipe The OD for this pipe is 1 9 or 49mm 2 Make sure the PA702 is unplugged from the AC source Remove the top and bottom hole plugs 4 Secure the pole support bracket using the four screws as shown in the diagram below Note the support bracket may be installed on the top or bottom of the amplifier 5 Slide the amplifier up the pole Do not force the amp onto the pole Pay attention to orientation of the amp Secure clamp by tightening the two 1 2 clamps around the support bracket Do not over tighten 7 Once the PA702 is secured to the pole DO NOT mount any additional PA702s to the same bracket The support bracket is only designed to support one PA702 e o A tl Specifications are subject to change without notice ds AtlasSound com Sound 1601 JACK MCKAY BOULEVARD ENNIS TEXAS 75119 U S A e TELEPHONE 800 876 3333 FAX 800 765 3435 2007 ATLAS SOUND LP Printed in China ATS002604 RevA 03 07 PP 11 ATLAS SOUND PA702 2 CHANNEL 70W POWER AMPLIFIER OWNER S MANUAL Pole Mount Pre Assembly Pole Mount Final
19. onents have a small change in current draw and may be more difficult to set a proper AC trigger In this case AUDIO SENSE turn on may be an alternative option for better standby triggering stability guo Iu A t i as Specifications are subject to change without notice AtlasSound com Sound 1601 JACK MCKAY BOULEVARD ENNIS TEXAS 75119 U S A e 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 Audio Sense Control Adjustment Rear Panel The PA702 can be remotely turned on via the two stereo audio inputs The PA702 mains power switch must be on to activate or adjust Audio Sense trigger control Prior to power on the AC Mains Power Switch of the PA702 follow the instructions below Note Once the PA702 has sensed audio signal and has triggered on it will take 15 20 min for it revert back into sleep mode even when there is no audio present Also the PA702 level controls have no affect on this feature 1 First select the proper Dip Switch setting to SENSE ON and AUDIO ON 2 Set the PA702 front panel level controls to 12 00 o clock position 3 Then plug a audio component such as a computer DVD player or CD player into the balanced or RCA unbalanced inputs of the PA702 Note Prior to turning on the AC mains of the PA702 make sure the source level is turned fully down or off Mute 4 Byusing
20. 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 inlcuding 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 WARNING To
21. 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 To completely disconnect this equipment from the mains disconnect the power supply cord plug from the receptacle The mains plug of the power supply cord shall remain readily operable Specifications are subject to change without notice AtlasSound com 1601 JACK MCKAY BOULEVARD ENNIS TEXAS 75119 U S A e TELEPHONE 800 876 3333 FAX 800 765 3435 2007 ATLAS SOUND LP ATS002604 RevA 03 07 PP Printed in China ATLAS SOUND PA702 2 CHANNEL 70W POWER AMPLIFIER OWNER S MANUAL yN WARNING 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 e Smoke or strange smell coming from the unit e fthe product falls or the case is damaged f water or any metallic objects falls into the product e fthe power supply cord is damaged in any way e If the unit is malfunctioning Do not insert or drop metallic objects or flammable materials into the ventilation holes of the p
22. roduct 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 A CAUTION When Installing the Product Sound 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
23. t inside the unit may result in heat buildup and fire e 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 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 e 70 Watt x 2 compact power amplifier e 1RU tall by 12 rack wide Ultra efficient amplification technology convection cooled e Patent pending through chassis mounting system for use with pole mounted projector systems e Energy efficient only 16 watts draw in sleep mode e Current sense auto turn on e Audio sense auto turn on e Balanced inputs via Phoenix connector e Unbalanced inputs via RCA connectors e Unbalanced parallel combine e Screwdriver adjust level controls e Screwdriver adjustable tone controls e Rack mountable single unit or dual units Applications The Atlas Sound PA702 amplifier can be used for a number of applications
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