Nady Systems PPA-300 Home Theater System User Manual
Contents
1. 5 3 2 3 5 1 FRONT PANEL 1 POWER SWITCH To turn the unit ON or OFF press the left or right portion of this button Before turning on the amplifier check all connections and turn down the level controls A momentary muting is normal when turning the amplifier on or off Caution Always turn on your power amplifier last after all your other connected equipment and always turn off your power amplifier before your other connected equipment 2 POWER LED INDICATOR This LED flashes and then illuminates when the power is turned ON 3 CLIP PEAK LED INDICATORS These LEDs illuminate if any section of the power amplifiers output are within 3dB of clipping Occasional blinking of the LEDs are acceptable but if they remain on more than occasionally you should turn down either the power amplifier s level controls or reduce the output level of the preceding component to avoid audible distortion or hard clipping Note Operating the amplifier at hard clipping can result in overheating or may damage your amplifier over a period of time Amplifiers that are damaged due to such user neglect or improper operation are not covered under warranty 4 SIGNAL LED INDICATORS These LEDs illuminate to confirm the presence of an input signal greater than 100 mV at that channel of the amplifier 5 LEVEL CONTROLS These control the level of signal coming into each channel The actual voltage gain of the amplifier is sho2. P wu gt D P219 Y AUDIO Amplifier PPA 300 ProPower Stereo Power Amplifier ProPower Stereo Power Amplifier AUDI ProPower Amplifier Congratulations on your choice of the NADY AUDIO ProPower PPA 300 stereo power amplifier you have purchased one of the finest stereo amplifiers on the market today This unit was developed using the expertise of professional sound engineers and working musicians You will find that your new PPA 300 amplifier has superior performance and greater flexibility than any other amplifiers in its price range Please read this manual carefully to get the most out of your new unit Thanks for selecting NADY AUDIO as your choice in stereo power amplifiers FEATURES Offering top power superior performance and full professional operating features roadworthy compact chassis the 300 amplifier is perfect for even the most demanding sound reinforcement installation and touring applications Full operating features stereo dual channel volume controls XLR and 1 4 TS inputs Full safety reliability features fan for cooling soft start turn on noise free on off built in DC offset independent DC and thermal overload protection on each channel short circuit and speaker protection Power ON LED Signal and Clipping LED indicators for each channel Roadworthy rugged double rack space 2U housing EC power cord
3. TOPREVENT ELECTRONIC SHOCK BG DO NOT REMOVE COVER OR BACK NOUSER SERVICEABLE PARTS SIDE REFER SE IN 13 RVICING TO QUALIFIED SERVICE PERSONNEL 4 16 mixer x A in a D m Y Th TEN hae i m o iy E 2399999099 ae zi LA MP AM icd 1 9 5 1 acm aS zi oe t bd aL FI 12220 tse SPECIFICATIONS POWER SPECIFICATIONS OUTPUT POWER EIA 1KHz 1 THD 5 iR viae regios 120W RMS 8 ohms per side 150W RMS 4 ohms per side ELECTRICAL SPECIFICATIONS 500V RMS 4dBu eau te eoe Unbalanced amp Balanced FREQUENCY RESPONSE at 10dB below rated output power 20Hz 20KHz 1dB 5Hz 50KHz x3dB DISTORTION LEE lt 1 S N RATO o 100dB GENERAL SPECIFICATIONS Full short c
4. connector with built in fuse PPA 300 2 x 150W RMS 4 Ohms 2 x 120W RMS 8 Ohms CONTENTS FEATURES em WARNING 3 Dealers Name Cit FRONT amp REAR PANEL CONNECTIONS 4 id State INSTALLATION D 5 Zip CONNECTIONS tette B uerus SPECIFICATIONS tete 7 Seral amp A TTT ne Se ee DATTE TO BERAT THE OF LC HERE go ati CEEA AD Sea LE AATE HEFELE MG TO DUAL PEFZOHNI al IMPORTANT SAFETY INSTRUCTIONS When using this electronic device basic precautions should always be taken including the following 1 Read all instructions before using the product 2 Do not use this product near water e g near a bathtub washbowl kitchen sink a wet basement or near swimming pool etc 3 This product should be used only with a cart or stand that will keep it level and stable and prevent wobbling 4 This product in combination with headphones or speakers be capable of producing sound levels that could cause permanent hearing loss Do not operate for a long period of time at a high volume level or at a level that is uncomfortable If you experience any hearing loss or ringing in the ears you should consult an audiologist 5 The product should be positioned so
5. that proper ventilation is maintained 6 The product should be located away from heat sources such as radiators heat vents or other devices including amplifiers that produce heat 7 The product should be connected to a power supply only of the type described in the operating instructions or as marked on the product Replace the fuse only with one of the specified type size and correct rating 8 The power supply cord should 1 be undamaged 2 never share an outlet or extension cord with other devices so that the outlet s or extension cord s power rating is exceeded and 3 never be left plugged into the outlet when not being used for a long period of time 9 Care should be taken so that objects do not fall into and liquids are not spilled through the enclosure s openings 10 The product should be serviced by qualified service personnel if The power supply cord or the plug has been damaged Objects have fallen into or liquid has been spilled onto the product The product has been exposed to rain The product does not appear to operate normally or exhibits a marked change in performance The product has been dropped or the enclosure damaged 11 Do not attempt to service the product beyond what is described in the user maintenance instructions All other servicing should be referred to qualified service personnel FRONT amp REAR CONTROLS AND CONNECTIONS AUDIO Amplifier PPA 300
6. S UNIT YOURSELF AS IT CAN BE DANGEROUS AND WILL ALSO VOID THE WARRANT Y N gt lt gt NADY SYSTEMS INC 6701 SHELLMOUND STREET EMERYVILLE CA 94608 Tel 510 652 2411 Fax 510 652 5075 nady com
7. ing damage your unit is damaged do not return to Nady but notify your dealer and the shipping company if shipped to you immediately to make a claim Such claims must be made by the consignee in a timely manner CONTENTS Instruction manual PPA 300 verify that the unit s serial number is same as shown on shipping carton Power cord e Warranty Card POWER CONNECTION The PPA 300 has an internal power supply and is designed to operate from an external AC source Power requirements for electrical equipment differ from area to area Be sure to confirm that the voltage is your area is 115V 60 Hz RACK MOUNTING The PPA 300 amplifier is designed for standard 19 rack mounting as well as stack mounting without a cabinet Use 4 screws and washers for mounting to the front rack rails It is also a good idea to support the amps also in the rear especially for mobile use where the amps will be subjected to shocks AMPLIFIER COOLING Also pay close attention to the cooling requirements Never block the air vent in the back side and front of the amplifier if the amplifier is being run at high output levels For best results in such high output power applications you should augment the amplifier s air flow with a rack cooling system CONNECTIONS pev Total impedance lt N Total impedance no less than 4 no less than 4 Y OUTPUTS B 772 OOOO 11111111111 b at caution DO NOT OPEN
8. ircuit open circuit thermal ultrasonic and RF protection stable into reactive or mismatched loads ON OFF muting current limiter ERONT CONTROLS Power switch input level control for each channel REAR PANEL CONTROLS eit pibe a So Re RU Le AC voltage selector switch CONNECTORS iU dde Power IEC power cord jack Input Active balanced XLR and 1 4 6 3mm TRS Output dual 1 4 speaker jacks POWER SUP PLY iiie eta te a ds ide bacca ut petu teehee ee eel 110V 120V 60 HZ FUSE M MOD E uM LCD 115V AC 5A 250V FB DIMENSION G E mE NT 19 x 9 6 x 3 5 483 x 244 x 89 mm WEGRIT Eee vr ERE 16 6 lbs 7 5Kg The specifications above are correct at the time of printing of this manual For improvement purposes all specifications for this unit including design and appearance are subject to change without prior notice SERVICE FOR YOUR NADY AUDIO PRODUCT U S Should your NADY AUDIO product require service please contact the Nady Service Department via telephone at 510 652 2411 or e mail at service 9 nady com International For service please contact the NADY AUDIO distributor in your country through the dealer from whom you purchased this product DO NOT ATTEMPT TO SERVICE THI
9. wn in dB Turn these controls counterclockwise if the peak LEDs illuminate steadily indicating too strong an input signal 8 OUTPUTS e Q 2x 150W RMS 40 CAUTION RISK OF ELECTRONIC SHOCK DO NOT OPEN TOPREVENT ELECTRONIC SHOCK DO NOT REMOVE COVER OR BACK NOUSER SERVICEABLE PARTS INSIDE REFER SERVICING TO QUALIFIED SERVICE PERSONNEL 6 7 9 8 L R CHANNEL OUTPUT CONNECTORS 1 4 6 3 mm speaker output jacks Connect these to speakers with a total impedance of no less than 4 ohms per side HEAR PANEL 6 POWER CONNECTOR The cord connector is used to connect the AC power source to your power amplifier CAUTION DO NOT REMOVE THE CENTER GROUNDING PIN 7 FUSE 9 BALANCED INPUT CONNECTORS 1 4 TS amp XLR If this fuse blows continuously shut off the unit and have 1 4 6 3mm TS Tip Sleeve phone jacks and XLR it serviced by qualified service technician 115V AC 5A jacks 250V FB INSTALLATION To ensure years of enjoyment from your NADY AUDIO ProPower PPA 300 please read and understand this manual thoroughly before using the unit INSPECTION Your NADY AUDIO ProPower PPA 300 was carefully packed at the factory in packaging designed to protect the units in shipment Before installing and using your unit carefully examine the packaging and all contents for any signs of physical damage that may have occurred in transit Please note Nady Systems is not responsible for shipp
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