Orion NT Series User's Manual
Contents
1. Vehicles Battery Auxilliary Batter transitions of sounds delivered to the speakers For example the cutoff frequency for lows could be adjusted to 400 Hz This would mean that all frequencies below 400 Hz would be passed to the lows amplifier at 100 power The attenuation reduction in power is 12 dB which is a reduction in power of about 90 An octave is a doubling of frequency so that a 800 Hz only about 10 of the power would go to the subwoofers In this example the high output would be adjusted to pass only frequencies above 300 Hz This would give you about 100 Hz overlap Then you could make slight adjustments to provide the sound that pleases you the most In a system utilizing a lows amplifier to drive the subwoofer you would probably always want to use the summed mono mode as shown here 2 BLESHOOTING GUIDE This section provides you with a catalog of amplifier symptoms and their probable causes and solu tions Before you consult this listing make sure the vehicle s electrical system is working properly by verifying that other electrical items e g headlights windows etc still function correctly SYMPTOM PROBABLE CAUSE No Audio i Low remote turn on connections Blown Fuse Power wires not connected Blown speakers or not connected Audio cycles Thermal Protection on and off Circuits are properly shutting amplifier off each time it gets too hot Distorted Audio Input Sensitivity not set properly2. fork eee Zmped nce okas AA Zn WARRANTY amp SERVICE ORION Industries Inc hereafter ORION warrants this product to be free from defects in material and workmanship under the following terms PARTS and LABOR are warrantied for a period of 2 years from the date of the first consumer purchase from an Authorized ORION Dealer Except as specified below this warranty covers ALL defects in material and workmanship in this product The following are NOT covered by this warranty 1 Any product which is NOT purchased from an Authorized ORION Dealer If you are uncertain as to whether your dealer is authorized please contact ORION at 602 730 8200 In countries other than the USA each distributor warrantees the ORION products which it sells If product is purchased from a non authorized dealer the warranty is 90 days form date of purchase 2 Any product on which the serial number has been defaced modified or removed 3 Damage or malfunction resulting from a accident misuse abuse unauthorized modification or failure to follow the instructions provided with the product b repair by anyone NOT authorized by ORION c damage due to shipping these claims must be presented to the freight carrier d removal or installation of the product any failure that has NOT been caused by a defect in material or workmanship This warranty is in effect for the original purchaser only ORION will pay for
3. or damaged speaker cones Low turn on voltage Audio level low Mute circuit is on Audio lacks Speakers wired with wrong polarity causing cancellation of bass frequencies External fuse Incorrect wiring or blowing short circuit Whining noise on Amplifier is picking audio with engine up alternator noise running Ticking noise Amplifier is picking on audio with up radiated spark engine running noise SOLUTION Check remote tum on voltage at amp and head unit Replace with new fast blow fuse Check butt splices or solder joints check Ground and Battery connections Use VOM or DVM to measure speaker coil impedance check speaker wiring connections Check location for adequate ventilation check speaker wiring for a short to chassis See Calibrating Input Sensitivity procedure and check each step inspect each speaker for damage and repair or replace suspected component Refer to head unit owner s manual Check electrical system for low voltage check ground connection Check polarity of wires from amplifiers to each speaker as defined by the system design Refer to Electrical Installation and check each installation step Install an in line noise filter on the head units power wire check alternator diodes or voltage regulator for proper operation check ground connection Check RCA audio cables routes install an in line noise filter on the head units power wire check ground connection oo inci 5 JE
4. INSTALLATION MANUAL Orion NT Series POWER AMPLIFIERS ORION S CONTENTS a aa A aQ uwa ss 2 Descriptions nn nn aan a A a nA ia 3 Amplifier Wiring u u 5 System Layout s U Len aaa MT 6 Troubleshooting I 7 qa au Suku asua a 8 Warranty Information I U hat Inasa 9 RS INTRODUCTION Introducing a completely new line of two amplifiers an active crossover and a preamp Using only superior components and introducing new technology to the automotive industry the NT line offers unsurpassed performance without compromising musical integrity In the professional world of sound reinforcement the most commonly used means of moving a signal from one place to another is with balanced audio cables A balanced audio cable has two twisted wires surrounded by a shield The signals on the twisted wire are 180 degrees out of phase from each other and have equal magnitude The balanced cable is the key to total immunity from radiated noise in a car audio system All induced noise cancels out due to the amplifier only seeing the difference of signals and rejecting the common one This in turn increases the total signal to noise ratio by 10 dB or better All NT series products have balanced inputs and outputs using mini XLR type connectors Dual MOSFET power supplies provide more than ample power for the most demanding m
5. atch the amplifier s peak output to the peak coming from the head unit DESCRIPTIONS ORION 200 BIX NT SERIES CROSSOVER The NT two way crossover employs a 12 dB per octave slope and has independent continually adjustable crossover points from 50Hz to 5kHz The crossover has its own internal power supply balanced inputs and outputs a signal to noise ratio of 110 dB and extremely low THD figures ORION 300 BIQ NT SERIES PREAMPLIFIER The NT preamp features three equalizer controls with adjustable frequency centers and total boost of 12 dB The preamp also has a volume control and dual inputs for more than one source Both inputs have RCA type connectors and the primary input also offers balanced mini XLR connectors A high efficiency switching power supply produces the bipolar 15 volts required to drive the high signal level which further reduces system noise ORION NT 100 200 STEREO POWER AMPLIFIER Two new NT amplifiers round off the line Both the NT 100 gt and NT 200 have balanced inputs and a standard DIN type input for any Orion accessory The two models also share peak signal indicators a mono summing switch and a gain control that regulates both channels A completely new design in output topology has vastly increased rise time thus improving overall bandwidth and stability A new design in the output sec tion uses large multiple output transistors to improve overall reliability Low impedance
6. high current filter capacitors in the power supply greatly improve transient response while lowering the overall signal to noise ratio NT ACCESSORIES WIRING DIAGRAM 200 BIX LEFT LEFT RIGHT RIGHT GORIO LOW LEFT RIGHT HIGH ADJ INPUT INPUT ADJ POWER LED 300 BIQ TOP VIEW LEFT INPUT 1 BALANCED RED LEFT INPUT 1 BLACK CHASSIS GROUND LEFT INPUT 2 RED 12V CONSTANT RIGHT INPUT 1 BALANCED BLUE 12V TURN ON RIGHT INPUT 1 GRAY 12V INPUT 2 ENABLE RIGHT INPUT 2 4 VOL LOW MID HIGH AMPLIFIER WIRING 1 Disconnect the battery negative lead before making any power connections PHANTOM POWER 215V IS 2 Reinforce the ground Ground the battery Negative terminal to a metal member to ensure an adequate SUPPLIED TO ALL ORION ground See Detailed Power Connections ACCESSORIES BY THE AMPLIFIER 3 Connect the power cable assembly directly to the positive terminal on the battery CAUTION DO THROUGH THE DIN CABLE NOT connect amplifier to fuse box Do not use a smaller gauge wire for the hot lead than coming out of your amplifier 4 Use the supplied fuse within 18 inches of the battery 5 Make sure that all connections are clean and properly secured Failure to do so may result in damage to AUDIO GROUND the components in the system LEFT 15V 6 Make sure wire enters the vehicle safely Always use a grommet when penetrating metal 7 Run wire through the vehicle
7. in appropriate areas try to avoid going near the fuse box it can radiate Noise into your power wire Never get power from the fuse box this will at best cause a noise problem and may in some cases cause electrical problems 8 Once you have selected the mounting location mount the amplifier using the four self tapping screws provided Tighten screws securely A CAUTION DO NOT DRILL INTO THE FUEL TANK FUEL LINES OR THROUGH ELECTRICAL WIRING 9 Power connections are made through power connector in end of amplifier Remove connector and install wires in end and tighten screws reinstall connector INPUT PLATE PEAK LED S POWERON MONO SWITCH FOR GAIN ADJUST INDICATOR _ PRESS IN FOR SUMMED MONO OPERATION ue 9 SUB BALANCED INPUT CONNECTORS CONNECTED IN PARALLEL TO DIN CONNECTOR DIN CONNECTOR BOTH CHANNELS Source unit 2 JORION COMPONENT SYSTEM This is a simple two amplifier system using a 200 BIX Ground Factory Active Crossover for better control of the frequencies Strap Ground applied to the speakers The Low Freq output is connected to the subs amplifier to drive the subwoofer and the High Freq output is connected to the highs amplifier for driving the highs speakers This allows you to carefully balance the higher id and midrange frequencies with the lows In practice overlapping the crossover point slightly results in smooth 2 42
8. labor and material expense for covered items ORION does not cover removal or installation charges payment of shipping charges to ORION payment of OUT OF WARRANTY shipping charges or damage to other property caused by any defects in this product To obtain service take or ship the product pre paid in its original packaging if you do not have the original packaging the product must be packed so no damage will incur to the product during its shipment to Orion Industries 9235 5 McKemy 2 85210 602 705 5600 For IN WARRANTY service you must include a copy of the original dated sales receipt including serial number from an Authorized ORION Dealer Please also enclose your name return street address No P O Boxes and a detailed description of the problem Exclusion 1 This warranty is in lieu of all other warranties expressed or implied 2 In no event will ORION be liable for any consequential damages resulting from use of the products or any defect in the product This paper is recycled and is 100 recyclable 9 HIGH PERFORMANCE CAR AUDIO AMPLIFIERS SIGNAL PROCESSORS AND LOUDSPEAKERS MADE IN THE USA Orion Industries 9235 5 McKemy Tempe AZ 85210 602 705 5600 ORION BEER
9. usical passages Throughout the design of all NT products absolutely none of the components used in construction have been compromised because of cost only the premier state of the art parts are used NT Series amplifiers contain the following built in features Full frequency Bi Polar Class AB output for full dean reproduction at all frequencies without any compromise Localized feedback design for extremely fast transient response and reduction of harmonic and intermodulation distortion Parallel Balanced inputs and DIN inputs provide considerable versatility for interconnections Each amplifier contains a 15 volt power supply which provides phantom power for Orion accessories This ensures maximum dynamic performance from all accessories Power supplies are protected against low voltage or excessive current Bridging capabilities for mono and mixed mono installations Asingle variable input sensitivity control with left and right channel peak indicators for precise level matching of head unit outputs to amplifier inputs 6 Hz rumble filter to eliminate any inaudible DC offset e FET switched 40 dB audio attenuator to reduce turn on turn off thump e Massive aluminum heat sink for efficient dissipation of heat Awide variety of accessories are available for flexibility in designing overall audio systems e Left and right peak indicators Used in conjunction with the input sensitivity control to m
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