Kicker 2003 Kx75 2 Owners Manual 2002 KX75.2 Amplifier
2015-04-13
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KX75.2 Congratulations! You have just purchased the latest in amplifier technology to carry the famous KICKER name. Your KICKER KX series amplifier is designed and built to give you years of powerful and trouble-free performance. This installation manual contains valuable information on how to get the most out of your new KX series amplifier. Thanks for buying KICKER. Enjoy! KX Amplifier Features Low Impedance Operation Stable into 2 ohm stereo or 4 ohm mono loads. SORT Protection Circuitry (Short circuit, Over-voltage, Reverse polarity, Thermal) Protects amplifier from accidents and undesired operation. MOSFET Power Supply Provides high efficiency operation. KickBass Variable bass boost circuit which provides up to 12 dB of boost at 40 Hz. Built-In Crossover 12 dB High pass or Low pass fixed at 80Hz. Defeatable for full range operation. High & Low level inputs Allows connection to various sources such as: aftermarket stereos, factory radios, DVD players, Video Cassette Player, etc. Custom tooled gold plated connectors Assure maximum power transfer and damping. SAMS (Stereo And Mono Simultaneously) Amplifier will operate into a bridged mono load and a stereo load at the same time. Two Year Warranty When installed by Authorized KICKER dealer. Mounting Instructions When selecting a location to mount your Kicker amplifier be sure it is structurally sound and that there are no items behind the area that could be damaged by the screws. Check for wiring, brake lines, fuel lines, gas tanks, etc. All amplifiers generate heat under normal operation. Be sure to choose a location that allows adequate ventilation for the amplifier. Also consider that the air temperature inside an automobile’s trunk can reach upwards of 140 degrees fahrenheit. An amplifier mounted here may require additional cooling needs such as fans or venting to allow cool operation. If possible, mounting the amp in the passenger compartment will allow cooler operation. Now that you are ready to mount your amplifier, use the supplied 3mm allen wrench to remove the amplifier shroud. This will give you access to the mounting holes in the amplifier and all wiring connections. Remove Remove Remove Remove With the shroud removed, you now have access to the four mounting holes in the mounting feet and all wiring connections. Drill 4 holes using a 7/64” drill bit and use the supplied #8 screws to mount the amplifier. 2 Wiring Instructions Signal can be input into the amplifier using either the low level RCA input connections or the high level (speaker level) connections. Using the low level RCA connections is the preferred method. Use the high level inputs only if your head unit does not have low level RCA type outputs. WARNING-Use Only One... Never Both At The Same Time!!! Speaker Outputs RCA Outputs SOURCE UNIT High-Level Inputs RIGHT + RIGHT LEFT LEFT + The use of twisted pair interconnects is recommended for all installations to minimize noise. When routing these cables through the automobile, try to keep them away from factory wiring harnesses and other power wiring. If you need to cross any of this wiring do so at a 90 degree angle to reduce the possibility for noise problems. When working with power connections it is always recommended that you disconnect the battery to prevent accidents. The ground should be connected to the amplifier first before making any of the other connections. This wire should be as short as possible (24 inches or less) and connected to a paint/corrosion free solid metal area of the car’s chassis. Use the same gauge wire as recommended for the amplifiers power connection to the battery. Adding an additional ground wire between the car battery’s negative post and the car chassis of this same gauge (or larger) is also recommended. If you ever need to remove the amp from the vehicle after it has been installed, the ground wire should be the last wire disconnected from the amplifier, just the opposite as when you installed it. A fuse must be installed within 18 inches of the battery to protect the power wire feeding your amplifier. This fuse should be of at least the same value used in the amplifier but no higher than the capacity of the wire. See the chart below for wire size and fusing recommendations. Model Fuse Size Wire Size KX75.2 15A 8GA 3 System Diagrams The following diagrams show the most common configurations for your Kicker KX series amplifier. TWO CHANNEL OPERATION (STEREO) KX series amplifiers are capable of operating into a minimum impedance of 2 ohms per channel in stereo operation. LEFT SPEAKER(S) + _ SIGNAL IN + GROUND _ RIGHT SPEAKER(S) REMOTE TURN-ON 18" or less +12V BATTERY FUSE BRIDGED OPERATION (MONO) KX series amplifiers are capable of operating into a minimum impedance of 4 ohms when in bridged operation. + SIGNAL IN MONO SPEAKER _ GROUND REMOTE TURN-ON 18" or less +12V BATTERY FUSE STEREO AND MONO SIMULTANEOUSLY (SAMS) KX series amplifiers are capable of operating into a minimum impedance of 4 ohms mono and 2 ohm stereo simultaneously with the use of passive crossovers. + MONO SPEAKER _ LEFT SPEAKER(S) + _ HIGH PASS CROSSOVER SIGNAL IN + LOW PASS CROSSOVER GROUND HIGH PASS CROSSOVER _ RIGHT SPEAKER(S) REMOTE TURN-ON 18" or less +12V 4 BATTERY FUSE ADJUSTING AMPLIFIER CONTROLS Your Kicker amplifier has two rotary controls and one switch on the end panel. These controls ensure the reliability and performance of the amplifier, so they need to be set correctly. CROSSOVER SWITCH NEVER CH HANGE THE CR ROSSOVER SWITCH H SETTING WITH THE SYSTEM ON! The switch located on the end panel next to the RCA jacks is for setting the internal crossover. In the OFF position the amplifier passes a full range signal to the speakers. Use the LO position when connected to a subwoofer. The HI position should be selected when connected to any speakers which you do not want to receive sub-bass information. Bass Boost 0-12 dB@ 40Hz Input Gain Input Low Level & 170mV- 5V High Level 340mV- 10V Selectable Crossover Switch Set @ 80Hz BEFORE TURNING ON THE SYSTEM FOR THE FIRST TIME, MAKE SURE THAT THE TWO ROTARY CO ONTROLS ON THE SIDE OF THE AMPLIFIER ARE TURNED FULLY CO OUNTER-CLLOCK KWISE! GAIN CONTROL Remember, the gain control is not a volume control, it matches the output of the head unit to the input level of the amplifier and must be adjusted properly for best performance. All the way up or down is not necessarily the best. Turn the head unit up to about 3/4 volume. (eg. If the head unit goes to 30, turn it to 25.) Next, turn (clockwise) the gain on the amplifier up slowly until you can hear audible distortion, then turn it down just a little. Crossover Control The crossover is fixed at 80Hz high pass or low pass. This control should be set to match your speaker requirements. For example, if the amplifier is driving subwoofers, you will need to set it to lo pass. Bass Boost The KickBass bass boost control is designed to give you increased output at 40 Hz. The setting for this control is subjective, however, if you turn it up, you must go back and adjust the gain control to avoid clipping the amplifier. 5 TROUBLE SHOOTING If your amplifier does not appear to be working, check obvious things first such as blown fuses, poor or incorrect wiring connections, incorrect setting of crossover switch and gain controls, etc. There are two LEDs on the end panel of your Kicker KX series amplifier, one green and one red. When the green LED is lit this indicates the amplifier is turned on and no trouble exists. If the green LED turns off and the red LED is lit this indicates that the protection circuitry (SORT) is engaged. The power indicator on top of the amplifier which illuminates the model badge follows the same function as the green LED. Green LED off,, no output:: With a Volt Ohm Meter (VOM) check:: Ö+12 volt power terminal (should read +12V to +16V). ÖRemote turn-on terminal (should read +12V to +16V). ÖCheck for reversed power and ground connections. ÖCheck for clean and solid ground. Green LED on,, no output:: ÖCheck RCA connections. ÖTest speaker outputs with known good speaker. ÖSubstitute known good source unit. ÖCheck for signal on RCA cable with VOM meter in AC position. Red LED on,, no output:: 1.) Amp is very hot. ÖThermal protection is engaged. Check for proper impedance at speaker terminals. Also check for adequate airflow around amplifier. 2.) Amp shuts down only while vehicle is running. ÖVoltage protection is engaged. Voltage to the amplifier is not within the 9-16 volt operating range. Have automobile charging/electrical system inspected. 3.) Amp will only play at low volume levels. ÖShort circuit protection is engaged. Check for speaker wires shorted to each other or the vehicle chassis. Damaged speakers or operating below minimum impedance will also cause this. annel:: No output from one cha ÖCheck balance control on head unit. ÖCheck RCA & speaker connections for that channel. ÖSwap RCA connections from left to right. If problem changes sides then you have a bad RCA cable or source unit problem. ÖSwap speaker connections from left to right. If problem changes sides then you have a bad speaker cable or bad speaker. 6 Alternaator noise (whining sound thaat vaaries with engine RPM): ÖCheck for damaged RCA cable. ÖCheck routing of RCA cable. ÖCheck source unit for good ground. ÖCheck gain setting, turn down if set too high. ass response:: Poor stereo imaage or reduced ba ÖCheck system phasing by turning the balance control from left to right. If there is more bass output when turned to either side then check your speaker wiring for proper positive and negative connections. Reverse connections on one channel if necessary. CA AUTION: When jump staarting the vehicle,, be sure tha at connections ma ade with jumper caables are correct.. Improper connections caan result in blown amplifier fuses as well as faailure in other systems in the vehicle.. If you have more questions about the installation and operation of your new KICK KER amplifier, see the Authorized KICK KER Dealer in your area. You may also call our Technical Services Line at (405)624-8583 for assistance or visit our website at KER.com. www.KICK 7 SPECIFICATIONS Model KX75.2 RMS Power In Watts, All Channels Driven @ 13.8V, 4Ω Stereo, 0.2% THD 30 x 2 @ 13.8V, 2Ω Stereo, 0.2% THD 38 x 2 @ 13.8V, 4Ω Mono, 0.2% THD 75 Dynamic Power In Watts, All Channels Driven @ 14.4V, 4Ω Stereo 35 x 2 @ 14.4V, 2Ω Stereo 45 x 2 @ 14.4V, 4Ω Mono 90 Length with shroud 8.84” (22.45cm) Specifications of KX75.2 Height:: Width:: Frequency Response:: Input Sensitivity:: Signa al--to--Noise Ratio:: Electronic Crossover:: KickB Bass Boost:: 8 2.5 inches / 6.35 centimeters 10 inches / 25.4 centimeters 20 Hz - 20 KHz, +/- 0.5 dB 170 mV - 5 V low level, 340 mV - 10 V high level >95 dB, a-weighted, re: rated power High Pass, Low Pass or Bypass, Fixed @ 80 Hz, 12 dB/octave Variable 0 to +12 dB boost @ 40 Hz ELECTRONICS LIMITED WARRANTY Kicker warrants this product to be free from defects in material and workmanship under normal use for a period of THREE (3) MONTHS from date of original purchase. When purchased from and installed by an Authorized KICKER Dealer it is warranted for TWO (2) YEARS from date of original purchase, or ONE (1) YEAR from date of original purchase if purchased from but not installed by an Authorized KICKER Dealer.If the product is labeled “B Stock” and purchased from an Authorized KICKER Dealer, it is warranted for ONE (1) YEAR from date of purchase, regardless of place of installation. Should service be necessary under this warranty for any reason due to manufacturing defect or malfunction during the warranty period, Kicker will replace or repair (at its discretion) the defective merchandise with equivalent merchandise at no charge. Warranty replacements on “B-Stock” merchandise may have cosmetic scratches and blemishes. Discontinued products may be replaced with more current equivalent products. This warranty is valid only for the original purchaser and is not extended to owners of the product subsequent to the original purchaser. Any applicable implied warranties are limited in duration to a period of the express warranty as provided herein beginning with the date of the original purchase at retail, and no warranties, whether express or implied, shall apply to this product thereafter. Some states do not allow limitations on implied warranties, therefore these exclusions may not apply to you. This warranty gives you specific legal rights; however you may have other rights that vary from state to state. WHAT TO DO IF YOU NEED WARRANTY OR SERVICE Defective merchandise must be returned to your local Authorized Stillwater Designs (Kicker) Dealer for warranty. Assistance in locating an Authorized Dealer can be obtained by writing or calling Stillwater Designs direct. You can confirm that a dealer is authorized by asking to see a current authorized dealer window decal. If it becomes necessary for you to return defective merchandise, call the Kicker Customer Service Department at (405)624-8510 for a Return Authorization (RA) number. Package all defective items in the original container or in a package that will prevent shipping damage, and return to Stillwater Designs, 5021 North Perkins Road, Stillwater, OK 74075 The RA number must be clearly marked on the outside of the package. Return only defective components. Return of entire cabinets, system packs, pairs, etc. increases your return freight charges. Nondefective items received will be returned freight collect. Include a dated proof-of-purchase stating the Customer name, Dealer name, product purchased and date of purchase. Warranty expiration on items without proof-of-purchase will be determined from type of sale and the manufacturing date code. Freight must be prepaid; items received freight collect will be refused. Failure to follow these steps may void your warranty. Any questions can be directed to the Kicker Customer Service Department at (405)624-8510. WHAT IS NOT COVERED? • • • • • • This warranty is valid only if the product is used for the purpose for which it was designed. It does not cover: • Items previously repaired or modified by any Damage due to improper installation unauthorized repair facility Subsequent damage to other components • Return shipping on non-defective items Damage caused by exposure to moisture, • Products with tampered or missing barcode labels excessive heat, chemical cleaners, and/or UV • Products returned without a Return Authorization radiation (RMA) number Damage through negligence, misuse, accident • Freight Damage or abuse. Repeated returns for the same dam • The cost of shipping product to Kicker age may be considered abuse. • Service performed by anyone other than Kicker Any cost or expense related to the removal or • Speaker with any foreign caulk used for gasket reinstallation of product material Speakers damaged due to amplifier clipping or distortion HOW LONG WILL IT TAKE? Kicker strives to maintain a goal of 24-hour service for all returns. Delays may be incurred lif lack of replacement inventory or parts is encountered. INTERNATIONAL WARRANTY Contact your International Kicker dealer or distributor concerning specific procedures for your country’s warranty policies. P.O. Box 459 • Stillwater, Oklahoma 74076 • U.S.A. • 405 624-8510 WARNING: KICKER drivers are capable of producing sound levels that can permanently damage your hearing! Turning up a system to a level that has audible distortion is more damaging to your ears than listening to an undistorted system at the same volume level. The threshold of pain is always an indicator that the sound level is too loud and may permanently damage your hearing. Pleaase use common sense when controlling volume!! August 2002
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