Polaris 850 XP EPS Offroad Vehicle User Manual
Contents
1. Authorized Carver Professional Service Center or Carver Professional Technical Service lt z o N wo ul Le o AC o No Sound No Power This is usually an indication of a power supply problem either the power line itself or the amplifier s power supply 1 PX amplifier power is switched off 2 Line cord is disconnected 3 Poor fit between the plug and AC receptacle 4 Power off at AC receptacle check with tester or lamp 5 The amplifier is plugged into a switched outlet Verify that the outlet is live 6 PX amplifier fuse has blown Check and replace fuse 7 The thermal breaker in the power transformer has opened Allow amplifier to cool amp the breaker will reset itself Power On Low Output or No Output Low or no output problems are usually signal source bad cable or partial output short circuit related 1 The Input Level controls are set too low 2 Move the input connections to another amplifier that you know is working to verify that it is not a source problem 3 Check the speaker connections Be sure that there are no small strands of wire touching similar strands coming from the other wire in the cable 4 Make sure the speakers are functioning correctly 5 If you are using bridged mono mode ensure that the Stereo Mono switch is set correctly 6 Use a voltmeter to determine if the power line voltage is dropping excessively when the amplifier is driven hard Playback Is Mixed with Hum 1 Check or replace t2. Neutrik Speakon connectors plus multi way binding posts 14 POWER CORD Connect to a properly configured outlet providing the line voltage specified for your model 8b 13b OOOO Installation Location and General Precautions Observe the following precautions when choosing a location for your amplifier A Do not expose the unit to rain or moisture If a fluid or foreign object should enter the unit disconnect the power plug and contact an authorized dealer or service center Do not pull out the plug by pulling on the cord grasp the plug firmly B Protect from heat and allow adequate ventilation Place away from direct sources of heat such as heating vents and radiators All components produce some heat during operation so make sure that the ventilation holes are not covered and that air 1s allowed to circulate freely behind beside and above the unit Excessive heat 1s the single greatest source of both short term and long term component failure lt z o Y N Lu LL oO cc o Mechanical Considerations The PX850 and PX1450 require three rack space units 5 25 and a depth of 15 38 inside the rack including the rear supports Secure the unit mechanically using four screws with washers to prevent marring the front panel Neoprene rubber washers are a good choice because they grip the screw head and prevent them from backing out when vibrated or transported Rear Support for Road Applications If the PX ampl
3. 0 1 Signal to Noise Ratio gt 106dB A weighted ref to rated power into 8 ohms Slew Rate 70V uS CMRR gt 80dB O 1kHz Current Consumption 120W idle 750w with musical program 1200w full power into 8 ohms continuous 2200w full power into 4 ohms continuous 6 LED indicators per channel Red CLIP Yellow SIGNAL Green POWER Red PROTECT Red THERMAL Yellow STANDBY 5 75 3u x 19 x 15 38 133 4mm x 483mm x 390 6mm 58 2lbs 26 5kgs 64lbs 29 09kgs Display Size H x W x D Net Weight Shipping Weight Due to ongoing research and development all specifications and features are subject to change without notice Barrier strip version available Order PX1450BR Neutrik Speakon version available Order PX1450SP Handle Kit available Order PX4HK The PX1450 Series is available in 100V 120V and 230V 50 60Hz l lt z o Y uN uw LL o cc o H _ SU E a _ _ Pc oo rs 3 00 8 _ o m1 Controls And Functions 1 CIRCUIT BREAKER This protection device will trip if the line current exceeds the rating of the circuit breaker causing the amplifier to shut down completely This operates the same as a standard line fuse except that it is resettable from the front panel after cooling down for a few seconds 2 POWER SWITCH When this switch is engaged the power turns ON the PROTECT lights flash red and the Power indica
4. isis a 11 Parallel MONO 11 70V Distribution Systems 11 12 Signal Smart Standby Circult 12 Operans TIPS on 13 Care and Service Assistance ccccccccononcccccnnnnnnnnnnnos 13 Configurable Gain ControlSs ooooccccnncccnnnnmm 14 IEC ase Or DIC 15 Warranty Information cccccccccceceeesssessseeeeees 16 ACCESS SOME ria 17 18 Introduction Congratulations on your purchase of a new Carver Professional Power Amplifier The PX850 and PX1450 are designed for any pro audio application The PX Series is the first line designed and produced by Carver Professional a division of Phoenix Gold International Inc It combines the Pro Audio experience and sonic heritage of Carver Professional with the performance manufacturing quality and attention to detail that has defined Phoenix Gold International Thank you for placing your confidence in Carver Professional and Phoenix Gold We know your amplifier will provide many years of dependable service and reliable sound reproduction Please read all of this manual especially the Safety Warnings before operating your amplifier Unpacking and Paperwork Carefully unpack the amplifier and keep the original carton and packing materials for future moving shipment or long term storage After opening the box please check for any visible signs of damage that were not appar ent from the outside of the box If you do encounter what appears to be concealed damag
5. your PX amplifier here is a sample of the many accessory products available from Carver Professional For more information on these accessories or to receive a full line catalog of Carver Professional Accessories see your Authorized Carver Professional Dealer Contractor or contact Carver Professional at 503 978 3344 Email carverpro imagina com CONNECTORS 1 4 Connectors Balanced GS4MS5 TRS Plug Solder Cup type w 24kt Gold Plated Plug Accepts 5 0mm Cable RS4MS5 TRS Plug Accepts 5 0mm Cable 1 4 Connectors Unbalanced GS4MM5 Mono Plug Solder Cup Type w 24kt Gold Plated Plug Accepts 5 0mm Cable RS4MM5 Mono Plug Accepts 5 0mm Cable XLR Connectors GSXM7 Solder Type Male XLR w Adjustable Strain Relief Accepts 7 0mm Cable RSXM7 Gunmetal Grey Plated Male XLR Connector Accepts 7 0mm Cable Spade Terminals CP PROS Pro Series 7 9 Gauge Multi Stud Spade CP PROSO Pro Series 7 9 Gauge Slotted Spade CP PRO404 Pro Series 12 16 Gauge Spade NEXT
6. PROFESSIONAL RISK OF ELECTRIC SHOCK DO NOT OPEN CAUTION TO REDUCE THE RISK OF ELECTRIC SHOCK DO NOT REMOVE COVER OR BACK NO USER SERVICEABLE PARTS INSIDE REFER SERVICING TO QUALIFIED SERVICE PERSONNEL Safety Information The lightning flash with arrowhead symbol within an equilateral triangle 1s 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 of the presence of important operating and maintenance servicing instructions in the literature accompanying the appliance Table Of Contents Introduelien taa 2 Unpacking and Paperwork cccccccsssseeeeeeeeees 2 Features and Specifications PAS 0 ee VEN ER SR ESS nn eA ee ee aS 3 4 PAX A ae Wires ee as 5 6 Controls and Features oocccoccnncccnnccnnocnnoccnnocnnoces 7 8 Installation and Operations Location and General Precautions 9 Mechanical Considerations occooccnnccnncccnoccnnncnns 9 Rear Suppo ai Ns 9 Thermal Considerations coocccncccnnccnnoccnoccnnocnnonos 9 AC Power ConsideratlOWMS oocccnoccnnccnnnccnnoconones 9 Magnetic Leakage Considerations 9 Input Wins id 9 Installation continued Input Sensitivity unse 10 OUpBE Wins en ana 11 A es essen ames 1 Brigsed MONO
7. T CONNECTORS Neutrik combi connectors will accept either XLR or 1 4 TRS tip ring sleeve connectors They can be used with balanced or unbalanced signals see input wiring on page 9 for more information 8b CH1 CH2 INPUT CONNECTORS 6 position barrier strip Horizontal connection accepts 8mm spades see page 10 for more information 9 FUTURE OPTION Knockout for connector TRS232 for external computer monitoring 10 SIGNAL SMART THRESHOLD CONTROL Sets desired signal level for activation of Standby circuit See page 12 for more information 11 BRIDGED OPERATION The OUTPUT CONFIGURATION switch is used to select between NORMAL STEREO operation PARALLEL MONO operation or BRIDGED MONO operation For NORMALSTEREO operation use CH 1 and CH 2 inputs For PARALLEL MONO or BRIDGED MONO operation use CH 2 input only see page 11 for more information about Bridged Operation 12 FAN Variable speed fan Draws cool air in from back of amplifier across heatsinks and vents out front panel 13 CH1 CH2 SPEAKER OUTPUTS Multi way binding posts are used to connect the loudspeakers to the amplifier outputs The red terminals are the signal connection and the black terminals are the signal return connection The black terminals are internally tied to signal ground 13b CH1 CH2 SPEAKER OUTPUTS BR VERSION 4 position barrier strips Horizontal connection accepts 8mm spades a 13c CH1 CH2 SPEAKER OUTPUTS SP VERSION
8. ctor and duty cycle of the program material Under typical conditions reproducing rock music with both channels driven into a 4 ohm load to the point where musical peaks are just at the clipping point the amplifiers require the following average currents PX850 6 0 amps for 120V versions 3 2 amps for 230V versions PX1450 8 0 amps for 120V versions 4 2 amps for 230V versions Magnetic Leakage Considerations The PX amplifiers may be mounted without concern for magnetic flux leakage within the confines of common sense For example it s not a good idea to mount any power amplifier near a microphone input transformer or magnetic storage media Input Wiring see page 17 for recommended Carver Professional Accessories Standard Version The Neutrik combi connectors will accept either 1 4 phone jacks or XLR connectors The input signal can be used with either unbalanced shielded single conductor or balanced shielded 2 conductor cables Use shielded coaxial cable to conduct the signal from the source 1 e mixer equalizer CD player to the amplifier For balanced operation 1 4 inch phone jack Use a 3 conductor TRS tip ring sleeve 1 4 phone plug The tip of the plug carries the high noninverting side of the signal the ring carries the low inverting side of the signal and the sleeve is ground see Figure A XLR Use a male XLR connector Pin 2 carries the high non invertin
9. e please consult your Carver Professional Dealer before installing the unit Important Paperwork Make sure to save your sales receipt Your receipt 1s extremely important to establish the duration of your Limited Warranty and for insurance purposes Next make a note of the serial number which is located on the back of the amplifier Record it in the space provided below for convenient reference Model PX850___ PXS8S50BR PX850sP PXI450_ PX1450BR_ _ PX1450sP Serial Number Purchased at Date Finally take a moment to fill out and return the Warranty Registration Card packed with the amplifier and return it to Carver Professional This will allow us to keep you informed about new products as they become available lt z o Y 07 uw Le o cc a FEATURES PX850 250W per channel into 8 ohms 425W per channel into 4 ohms 525W per channel into 2 ohms e Three connector versions available Standard Neutrik M combi inputs with Binding Post outputs BR Version Barrier Strip inputs and outputs SP Version Neutrik M combi inputs with Neutrik Speakons and Binding Post outputs e Independent 41 detent Level Controls for CH1 amp CH2 e Externally configurable for Parallel Mono mode to operate both channels with a mono signal e Externally configurable for Bridged Mono mode to combine the power of both channels into a higher powered mono channel PX850BR ETN MEN e Externally configurab
10. ew Rate 70V US CMRR gt 80dB O 1kHz Current Consumption 84w idle 525w with musical program 840w full power into 8 ohms continuous 1540w full power into 4 ohms continuous 6 LED indicators per channel red CLIP yellow SIGNAL READY green ON red PROTECT red THERMAL yellow STANDBY 5 75 3u x 19 x 15 38 133 4mm x 483mm x 390 6mm 46 0lbs 20 9kg 52 lbs 23 64kg Display Size H x W x D Net Weight Shipping Weight Due to ongoing research and development all Specifications and features are subject to change without notice Barrier strip version available Order PX850BR Neutrik Speakon version available Order PX850SP Handle Kit available Order PX4HK The PX850 Series is available in 100V 120V and 230V 50 60Hz lt z o N 142 uw Le o cc a FEATURES PX145 0 375W per channel into 8 ohms 725W per channel into 4 ohms 1000W per channel into 2 ohms 1450W mono into 8 ohms 2000W mono into 4 ohms e Three connector versions available Standard Neutrik M combi inputs with Binding Post outputs BR Version Barrier Strip inputs and outputs SP Version Neutrik combi inputs with Neutrik Speakons and Binding Post outputs e Independent 41 detent Level Controls for CH1 amp CH2 e Externally configurable for Parallel Mono mode to operate both channels with a mono signal e Externally configurable for Bridged Mono mode to combine the power of both channe
11. g side of the signal Pin 3 carries the low inverting side of the signal and Pin 1 is ground see Figure B For unbalanced operation 1 4 inch phone plug Use a 2 conductor Tip Sleeve 1 4 phone plug The tip of the plug carries the signal and the sleeve is ground The ring connection in the jack is automatically grounded by the sleeve see Figure C XLR Pin 2 carries the hot side of the signal and Pin 1 is ground Short Pin 3 to Pin 1 in order to reference the input differential amplifier for the correct gain see Figure D BR Version For balanced operation Use shielded twisted pair balanced line type cable with crimp on or solder type 8mm spade terminals For either channel connect the high non inverting side of the signal to the terminal labeled on the Barrier Strip Connect the low inverting side to the terminal Connect the shield to ground See figure E NOTE confirm which wires are and from the source unit Refer to the 1 4 plug and XLR instructions for proper configuration if these plugs are used at the source unit For unbalanced operation Use shielded single conductor coax type cable or twisted pair balanced line type cable with crimp on or solder type spade terminals Connect the hot side of the signal to the terminal labeled on the barrier strip Connect the shield to ground and to the terminal see Figure F NOTE The gai
12. he connecting cables 2 Make sure that each screw terminal connection is tight 3 Signal cables may have been routed too closely to AC cables power transformers motors or other EMI inducing device 4 Try connecting another source to the power amplifier inputs If the hum stops the problem lies with the original source component Distortion Distortion is usually caused by excessive loss in the input controls the mixer equalizer crossover can t produce enough output overdriving resulting in output clipping or current limiting caused by excessively low load impedances 1 Check the setting of the Input Level controls If set too low the preceding piece of equipment may not have sufficient output to overcome the loss 2 Check the speaker connections and verify that all screw connections are tight and that there are no stray strands of wire to cause short circuits 3 Verify that the total load impedance presented to the amplifier is within the limits described in this manual for the mode of operation selected Carver Professional Service Department P O Box 83189 Portland OR 97283 Phone 503 978 3363 Fax 503 978 3302 email carverpro imagina com Carver Professional reserves the right to improve its products at any time Therefore specifications are subject to change without notice RS DEEFCTS IN MATFRIAT AND WORKMANSHIP ONI Y This limited Warranty DOES NOT OSPIXd 0SSXd OOOO Accessories For the optimum connection of
13. ifier is rack mounted and the rack is transported mechanical support for the rear of the amplifier is required This could take the form of a shelf across the rear of the amplifier or brackets that engage the rear of the unit Rear support is recommended in all PX amplifier installations Thermal Considerations When the PX850 or PX1450 is used free standing no thermal considerations are necessary other than keeping the ventilation holes open If the amplifiers are rack mounted ensure that adequate ventilation exists in front of and behind the amplifier When several amplifiers are mounted together in a rack you may need to provide air inlets from the outside of the rack The PX amplifiers are fan cooled The fan is internally mounted so that it draws air from the rear and exhausts it out the front The PX amplifiers may be stacked directly on top of each other without spacer panels If the amplifiers are used with other amplifiers ensure that the heat output from the other amplifiers doesn t interfere with the ventilation of the PX amplifier or vice versa AC Power Considerations Ensure that the PX amplifier is plugged into an outlet capable of supplying the correct voltage specified for your model and enough current to allow full power operation of all the amplifiers plugged into it The current demand of a power amplifier varies depending on several factors including the impedance of the load the output level of the amplifier and the crest fa
14. le input sensitivity 0 775V 1 5V or fixed 28dB gain e Protection circuitry includes DC Fault Thermal and Short Circuit e Power Ready Signal Present Clip Protect Thermal and Standby indicators for each channel e Variable Speed Fan e Front or Rear Gain Controls field configurable e Signal Smart Standby Circuitry Power saving feature which automatically turns off or on the amplifier based on the presence of a signal and the position of the threshold adjustment e RAMP optional computer monitoring port NEXT BACK i Z z E lt O LJ L U Continuous Average Output Power both channels driven 20Hz to 20kHz with no more than 0 1 THD 250 watts per channel into 8 ohms 425 watts per channel into 4 ohms 525 watts per channel into 2 ohms Bridged mono operation 850 watts into 8 ohms at 1kHz with no more than 0 1 THD Parallel mono operation 260 watts into 8 ohms from 20Hz to 20kHz with no more than 0 1 THD Dynamic Headroom gt 2 0dB Frequency Response 20Hz to 20kHz 0 1dB Channel Separation gt 65dB O 1kHz lt 600 O 10 400Hz ref to 8 ohms Input Impedance 20K balanced Damping Factor Sensitivity 1 75V 1 5V for rated power 4 ohms or fixed gain of 28dB Gain 34 5dB 28 8dB or 28dB fixed dependent on sensitivity Input Overload 18dBu THD lt 0 1 IM Distortion lt 0 1 Signal to Noise Ratio gt 106dB A weighted ref to rated power into 8 ohms Sl
15. ls into a higher P X14 5 OBR powered mono channel e Externally configurable input sensitivity E 0 775V 1 5V or fixed 28dB gain e Protection circuitry includes DC Fault Thermal and Short Circuit ePower Ready Signal Present Clip Protect Thermal and Standby indicators for each channel e Variable Speed Fan e Front or Rear Gain Controls field configurable e Signal Smart Standby Circuitry Power saving feature which automatically turns off or on the amplifier based on the presence of a signal and the position of the threshold adjustment eRAMP optional computer monitoring port BACK i Z z E lt O LJ L U Continuous Average Output Power both channels driven 20Hz to 20kHz with no more than 0 1 THD 375 watts per channel into 8 ohms 725 watts per channel into 4 ohms 1000 watts per channel into 2 ohms Bridged mono operation 1kHz with no more than 0 1 THD 1450 watts into 8 ohms 2000 watts into 4 ohms Parallel mono operation 375 watts into 8 ohms from 20Hz to 20kHz with no more than 0 1 THD Dynamic Headroom gt 2 0dB Frequency Response 20Hz to 20kHz 0 1dB Channel Separation gt 65dB O 1kHz lt 600 10 400Hz ref to 8 ohms Input Impedance 20K balanced Damping Factor Sensitivity 175V 1 5V for rated power 4 ohms or fixed gain of 28dB Gain 36 8dB 31 1dB or 28dB fixed dependent on sensitivity Input Overload 18dBu THD lt 0 1 IM Distortion lt
16. n remains the same regardless of whether the input is balanced or unbalanced Input Sensitivity The input sensitivity of the amplifier is set at the factory to 1 5VRMS for rated output The input sensitivity can be changed to 0 775 VRMS or 28dB fixed gain by using the switch on the back panel Output Wiring See page 17 for recommended Carver Professional Accessories Use heavy gauge cable for speaker connections The greater the distance between the amplifier and the speakers the larger the diameter the cable should be to minimize power losses across the cable and improve the damping of the speaker Cable thickness specifications or gauges get larger as the Operating Tips Once the amplifier has been installed and wired into the system you are ready to use 1t Here are some lt z o N 102 ul Le o AC o tips to help you get the most from it Verify that the switches Output Configuration Input sensitivity have been set to the mode that you want Verify that the Signal Smart Standby circuit threshold is set at the level you want When you power the system up for the first time out of the carton it s a good idea to start with all of the amplifier level controls turned down then advance them slowly one at a time so that you can confirm that each amplifier channel is operating normally Be sure that the Input Level controls are set sufficiently high to allow the preceding device to drive the amplifier t
17. o full output For most installations this is wide open fully clockwise Once you have established settings it is a good idea to mark them down either on paper or on pieces of tape or sticky dots attached to the amplifier s panel In bi amplified multi amp systems it is a good idea to start with the low frequency amplifiers turned off or down and to check each frequency range from highest to lowest to ensure that each loudspeaker component is operating correctly CareandServiceAssistance Care Wipe off the PX850 PX1450 s front panel and chassis from time to time with a soft dry cloth If you have something stubborn to remove use a mild dish soap or detergent sparingly applied to a soft cloth Don t use alcohol ammonia or other strong solvents Service Assistance We suggest that you read the Limited Warranty completely to fully understand your warranty service coverage Please promptly complete and return the Warranty Registration Card Also be sure to save the sales receipt in a safe place It will be necessary for warranty service If your CARVER Professional product should require service you may contact the CARVER Professional Technical Service Department by calling 503 978 3363 or by writing to us at the Factory address shown below We will then direct you to the nearest in our national network of Authorized Warranty Service Centers or give you detailed instructions on how to return the product to us for prompt action If y
18. ou should have questions or comments please write to the Factory address given below Please include the model and serial number of your Carver Professional product your complete address and a daytime phone number Field Configurable ain Controls Note The Carver Professional limited warranty does not extend to damage resulting from the following procedure if attempted by any person not specifically authorized by Carver Professional A EN To move the gain controls from the front panel to the back panel or vice versa 1 Unplug amplifier from power source 2 Remove top cover 9 screws Do not allow debris tools or hardware to fall inside chassis 3 Gently pull to remove control knobs from gain controls and remove hole plugs from opposite panel 4 Remove the 4 screws from gain control circuit board 5 Carefully move board to opposite panel stand offs being sure to keep connector cable free and untwisted NOTE Gently bundle excess cable length and secure with tie wrap 6 Screw board to threaded stand offs Do Not Over Tighten 7 Put hole plugs in opposite panel 8 Observing the position of the knob pointers gently push the control knobs onto the gain controls or leave off for screwdriver adjustment 9 Replace top cover In Case of Difficulty If you re having trouble or suspect a problem with the PX350 PX1450 try some simple troubleshooting before contacting an Authorized Carver Professional Dealer
19. tors illuminate Be sure all connections are made and double checked before switching the power amplifier on 3 EXHAUST VENT Releases warm air pushed from heat sinks by fan 4 CH1 CH2 LEVEL CONTROL The 41 detent controls are used to adjust the input level of each channel When the controls are fully clockwise the amplifier operates at maximum gain Turning the controls counter clockwise attenuates the input signal See page 14 for instructions on how to move these controls to the back panel 5 CH1 CH2 STATUS INDICATORS STANDBY illuminates yellow when Signal Smart Standby circuit has been activated THERMAL illuminates red when excessive heatsink and or transformer temperature has been detected PROTECT illuminates red when the power switch is first turned on or whenever there is a fault condition detected These fault conditions include excessive DC offset or over current at output VI limit DC output protection is provided by a relay POWER illuminates green when power is on and amplifier is ready to operate SIGNAL illuminates yellow when power is on and signal is present CLIP illuminates red when the output begins to clip NOTE The relays operate independently for each channel Therefore it is possible for one channel to operate normally while the other is in protect mode 6 CH1 CH2 LEVEL CONTROLS Optional rear panel placement NEXT 7 INPUT SENSITIVITY SWITCH 0 775V 1 5V or fixed 28dB gain 8 CH1 CH2 INPU
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