PA90 User Manual (20091014) ver 13.cdr
Contents
1. OS gt PA90 PA Amplifier OWNER S MANUAL a N MODEL PA 90 MICI TREBLE e PREVENT FIRE OR SHOCK HAZARD DO NOT USE THIS PLUG WITH EXTENSION CORD RECEPTACLE OR OTHER OUTLET UNLESS THE BLADES CAN BE FULLY INSERTED TO PREVENT BLADE EXPOSURE e TOPREVENT FIRE OR SHOCK HAZARD DO NOT EXPOSE THE APPLIANCE TO RAIN OR MOISTURE POUR PREVENIR UN INCENDIE OU D ELECTROCUTION NE PAS EXPOSER CET APPAREIL ALA PLUIE OU L HUMIDITE e PREVENT ELECTRICAL SHOCK MATCH WIDE BLADE TO WIDE SLOT FULLY INSERT A The lightning flash with arrowhead symbol within an equilateral triangle is intended to alert the user to the presence of un insulated dangerous voltage within the products enclosure that may be of sufficient magnitude to constitute a risk of electric shock to persons CAUTION RISK OF ELECTRIC SHOCK DO NOT OPEN Warning To reduce the risk of electric shock do not remove cover or back No user serviceable parts inside Refer servicing to qualified service personnel A The exclamation point within the equilateral triangle is intended to alert the user to the presence of important operating and maintenance servicing instructions in the literature accompanying the appliance IMPORTANT SAFETY INSTRUCTIONS Read these instructions Keep these instructions Read all warnings Follow all instructions Do not use this appliance near water Clean only w2. adjusted by the screwdriver adjustment knob labeled as Gain beside the terminal block The PA90 commercial amplifier also has 1 pair of RCA connectors used as INSERT in and out The INSERT IN connector allows to connect an external audio source to the unit The INSERT OUT connector allows to loop the input sources of PA90 out to other devices NOTE The MIC 1 Input has priority over the other inputs When the MIC 1 Input signal is present the PA90 will automatically mute other inputs and only MIC 1 Input is available to output OUTPUT N PTT 24V DC COM 80 70V 100V The OSD PA90 output module including PTT Push To Talk 24V DC back up power supply 8 ohm output 70V output and 100V output is using the screw terminal connectors If you will use 8 ohm output connect the speaker s positive terminal to the amplifiers 8Q terminal and connect the speaker s negative terminal to the amplifier s COM terminal If you will use 70V output connect the speaker s positive terminal to the amplifier s 70V terminal and connect the speaker s negative terminal to the amplifier s COM terminal If you will use 100V output connect the speaker s positive terminal to the amplifier s 100V terminal and connect the speaker s negative terminal to the amplifier s COM terminal The PPT connectors allow you to connect the OSD PA90 to external devices to activate the Push To Ta
3. been wholly or partially removed altered or erased Repair of replacement under the terms of this warranty does not extend the terms of this warranty Should a product prove to be defective in workmanship or material the customer s sole remedies will be repair or replacement as provided under the terms of this warranty Under no circumstances shall OSD AUDIO be liable for loss or damage direct consequential or incidental arising out of the use of or inability to use the product APPLICATIONS CONNECTING 8 OHM SPEAKERS In this configuration the 8 ohm speakers are connected to the 8Q and COM terminals The output of PA90 will then deliver the rated output power into an 8 ohm load If you want to connect multiple speakers to PA90 s 8 ohm output the speakers should be connected in series parallel arrangement to make the combined impedance 8 ohm or higher When connecting speakers speakers positive terminal should be connected to the 8Q terminal and speakers negative terminal should be connected to COM terminal for in phase connection N PTT 24V DC COM 8Q 70V 100V Note The minimum working load of OSD is 8 ohm Make sure the total impedance should not be lower than that CONNECTING 70V CONSTANT VOLTAGE SPEAKERS In this configuration the 70V constant speakers are connected to the 70V and COM terminals The output of PA90 will then deliver the rated output powe
4. ade to the amplifier Should you wish to use the amplifier in a country other than the one for which it was purchased please contact OSD AUDIO at 562 697 2600 Limited Warranty OSD AUDIO warrants its amplifier products against defects in materials and workmanship for a limited period of time For a period of two years from date of original purchase we will repair or replace the product at our option without charge for parts and labor This limited warranty applies only to purchases from authorized OSD AUDIO retailers This limited warranty is extended only to the original purchaser and is valid only to customers in USA Customers are required to provide a copy of the original sales invoice from an authorized OSD AUDIO dealer when making a claim against this limited warranty This limited warranty only covers failures due to defects in materials or workmanship that occur during normal use It does not cover failures resulting from accident misuse abuse neglect mishandling misapplication alteration faulty installation modification service by anyone other than OSD AUDIO or damage that is attributable to acts of god It does not cover costs or transportation to OSD AUDIO or damage in transit The customer should return their defective product freight prepaid and insured to OSD AUDIO only after receiving a Returned Merchandise Authorization RMA number This warranty will become void if the serial number identification has
5. ct is damaged or missing please call OSD AUDIO Return Department at 562 697 2600 Using the controls Front Panel Power POWER The POWER push button will manually switch the PA90 Commercial amplifier on or off Control Knobs Input Adjustment Rated input power 130VA PTT 24VDC COM 80 100V o on aD The OSD 70V 100V Commercial Amplifier has 7 inputs MIC 1 MIC 2 MIC 3 AUX 1 AUX 2 AUX 3 and TEL input Each of the MIC inputs and AUX inputs can be adjusted the input gain using the corresponding control knob on the front panel Output Adjustment Protect o The OSD PA90 Commercial Amplifier allows you to adjust the output volume Treble and Bass by the corresponding control knob on the front panel There is a LED Meter to indicate the output level located above the POWER pushbutton The OSD PA90 also has protect function When it is short circuit or over heating or overload this function will be automatically switched on then the product will mute and the RED PROTECT LED indicator will illuminate CHIME ALE The OSD also has CHIME and ALARM functions The ALARM has the top priority and CHIME is second over all the inputs When pressing CHIME button all inputs will be temporarily mute and the chime sound will come out When pressing ALE button you will start the alarm function the alarm will keep on ringing and will not automa
6. ith dry cloth The Equipment shall be operated in open area Do not block any ventilation openings Install in accordance with the manufacturer s instructions Do not install near heat sources such as radiators heat registers stoves or other appliance including amplifiers that produce heat 10 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 anda third grounding prong If the provided plug does not fit into your outlet consult an electrician for replacement of the obsolete outlet 11 Protect the power cord from being walked on or pinched particularly at the plugs convenience receptacles and at the point where they exit from the appliance 12 Only use attachments or accessories specified by the manufacturer 13 Unplug the appliance during lightning storms or when unused for long periods of time 14 Refer all servicing to qualified personnel Servicing is required when the appliance has been damaged in anyway such as power supply cord or plug is damaged liquid has been spilled or objects have fallen into the appliance the appliance has been exposed to rain or moisture does not operate normally or has been dropped 15 Use only with the cart stand tripod bracket or table specified by the manufacturer or sold with the apparatus When a cartis used use caution when moving the cart apparatus combination
7. lk function When this function is switched on all inputs will be mute and you can use MIC 1 to make broadcasting or announcement The 24V DC connectors allow you to connect external back up power supply to OSD It helps you th use OSD 0 in applications that must continue to operate in case of a power failure or in mobile applications where 115V or 230V AC power is not available Note This amplifier will supply 60W to the output Please verify that your speakers are capable of handling such power to avoid possible damage PA90 Power Amplifier Specifications Power Bandwidth 55Hz 15kKHZ 60W into 8 ohm output mode with less than 1 THD N 60W into 70V output mode with less than 1 THD N 60W into 100V output mode with less than 1 THD N Frequency Response 55Hz to 15kHz 0dB 3 0dB Signal to Noise ratio Mic better than 55 dB Line better than 60 dB AUX better than 70 dB TEL better than 70 dB Input Sensitivity Mic 50 dB Line 20 dB AUX 12 dB TEL 10 dB Tone Adjustment Bass 10 dB Treble 10 dB Power Supply Switchable AC 115V 230V DC 24V AC Mains Fuse T2A 250V DC Mains Fuse T8A 250V Dimensions 19 0 w x 13 3 d x 3 6 h 2U Rack Space Style NOTE This amplifier is capable of use with standard US voltage 115V as well as European voltage 230V The amplifier will be preset for the voltage of the country it is sold in Use with other voltages requires some changes to be m
8. nction When PTT function is switched on all the inputs except Mic 1 will be overruled trigger Note Only Mic 1 input could work with Push to Talk PTT function INSTALL UNIT IN RACK In this configuration the OSD is set to install in a 19 rack When mount it a rack make sure the mounting brackets are well fixed by the screws and remove the 4 feet from the bottom of the unit 888 Note Ensure to install the unit where the ambient temperature does not exceed 55 C If you have any questions regarding how to set this up please call OSD AUDIO support at 562 697 2600
9. r to the 70V speakers Multiple 70V speakers should be connected in parallel When connecting speakers speakers positive terminal should be connected to the 70V terminal and speakers negative terminal should be connected to COM terminal for in phase connection PIT 24V DC COM 80 70V 100V CONNECTING 100V CONSTANT VOLTAGE SPEAKERS In this configuration the 100V constant speakers are connected to the 100V and COM terminals The output of will then deliver the rated output power to the 100V speakers Multiple 100V speakers should be connected in parallel When connecting speakers speakers positive terminal should be connected to the 100V terminal and speakers negative terminal should be connected to COM terminal for in phase connection PIT 24V DC COM 80 70V 100V Note In 70V 100V constant voltage connection the summed speaker power should not exceed the rated PA90 output power USING DC 24V POWER SUPPLY In this configuration a DC 24V power supply is connected to PA90 to help it to be used in mobile applications or in applications that must continue to operate in case of a AC power failure PTT 24V DC COM 8Q 70V 100V F DC 12V Battery DC 12V Battery USING PUSH TO TALK PTT FUNCTION In this configuration Mic 1 is connected to PTT terminals to activate the Push To Talk fu
10. tically stop until you press the ALE button again All inputs will be mute including the CHIME tone when alarm function is on A FUSE T1 5A 250V ER CAUTION INSERT AUX3 AUX2 AUX1 Using the controls Back Panel INPUTS INSERT AUX3 AUX2 AUXI dose There is a total of 7 inputs on the rear panel of the Commercial Amplifier including 3 MIC inputs 3 AUX inputs and 1 TEL input with input gain adjustment The MIC inputs are using balanced XLR connectors Each MIC input have a Line Mic level DIP switch Switch 1 and a 24V Phantom Power Supply On Off DIP switch Switch 2 If the Line Mic DIP switch is switched down the corresponding MIC input is set to accept Mic level signal input if the Line Mic DIP switch is switched up the corresponding MIC input is set to accept Line level signal input If the Phantom Power Supply DIP switch is switched down it means the corresponding MIC input will provide a 24V phantom power to the microphone if the Phantom Power Supply DIP Switch is switched up the corresponding MIC input will not provide phantom power to microphone The AUX inputs are using RCA connectors Each group of AUX input has L and R as left channel and right channel inputs respectively The TEL input is using 3 pin terminal block It allows you to connect telephone signal as an input of PA 90 The TEL input gain can be
11. to avoid injury from tip over OVE Ne PA 591254 This appliance shall not be exposed to dripping or splashing water and object filled with liquids such as vases shall be placed on appliance L appareil ne doit pas tre expos aux coulements ou aux claboussures et aucun objet ne contenant de liquide tel qu un vase ne doit tre plac sur l objet Both main plug or main switch disconnect device instruction is accepted The mains switch is used as disconnect device and to completely disconnect the apparatus from mains supply the mains switch must be switched to OFF position and the mains switch of apparatus should not be obstructed OR should be easily accessed during intended use In addition the location of mains switch on the apparatus and its function shall be described Le commutateur du secteur est utilis pour d connecter le systeme Pour d connecter compl tement l appareil de l alimentation le commutateur du secteur doit tre positionn sur OFF Le commutateur du secteur ne doit pas tre obstru ou doit tre facilement accessible pendant son utilisation PA90 PAAmplifier E MODEL PA 90 Congratulations on your purchasing of OSD PA90 Commercial Amplifier Please take a few moments to read the entire manual and be sure to retain this document for future reference Please read and observe all safety instructions detailed on each page Note If any part of this produ
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