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CONGRATULATIONS on your purchase of a new MTX Thunder Amplifier! MTX has long been the industry leader in mobile enclosures and speakers, and we have reached new heights with the development of the new MTX Thunder amplifiers. You couldn’t have chosen a more reliable, powerful, or better performing amplifier - In fact, we back up every Thunder amplifier with a three-year warranty if installed by an authorized MTX retailer (see the warranty statement on page 34).
Features l l l l l l l l l l l l l l l l l l l l Intelligent Surface Mount Technology Patented PWM MOSFET Switching Power Supply (#5,598,325) Adaptive Class D Technology High Powered Transformer High Powered stacked inductor Pure N-Channel Design Doubles power into 2 ohms Real lime Computerized Protection Circuit Color-coded wire harness for speaker-level input installation on Thunder4250Dand 65000 Smart-EngageTMauto turn on for easy integration with factory head units Thunder4250Dand 6500D Acoustically Se
1. Gain Controls -These controls are used to match the input sensitivity of the amplifier to the particular source unit that you are using. The controls are factory set to IVrms. 2. Thunder EQ - This equalization circuit is used to enhance the low frequency response of the vehicle’s interior. With up to 18 dB of boost and centered at 40Hz, the Bass EQ can be adjusted to meet your own personal taste. 3. Frequency Control -This control is continuously adjustable from 40Hzthrough 200Hzat 24dB per octave.
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1. Fuses-Forconvenience,all amplifiersutilizeATCtype fuses. Forcontinuedprotectionin the eventthat a fuse blows, replacethe fuse only with the samevalue. Caution - The power fuses on the amp are for protecting the amp against overdrive. To protect the vehicle’s electrical system,an additionalfuse is requiredwithin 18” of the battery on the 12Vt cable. Thunder42500- 20Ax 2 Thunder65OOD - 25Ax 3 Thunder81000D - 150Amps (not supplied) 2.
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Adiustina the? Tvmical Sneaker Wirinq Confiuurations Gain 1. Turn the gain control on the amplifier all the way down. Mono Amplifier Impedance Requirement 2. Turn up the volume control on the source unit to approximately 3/4 of maximum. 2 ohm minimum 3. Adjustthe gain control on the amplifier until audible distortion occurs. 4. Adjust the gain control down until audible distortion disappears. 5. The amplifier is now calibrated to the output of the source unit.
Troubleshooting Guide Readthis if youwannabe a do-it-yourselfer-- or give us a callat I-BOO-CALLMTX &!A!& No LEDindication No t12V at remoteconnection Not12V at Powerconnection Supplyt12Vto terminal Insufficientgroundconnection Verifygroundconnection Blownpowerfuse LEDon, no output Volumeon headunit off Speakerconnectionsnot made Gaincontrolon amplifieroff Signalprocessingunitsoff All speakersblown Outputdistorted Headunit volumesettoo high Amplifiergainsettoo high Balancereversed Speakerswired
Warranty All MTX Thunder Amplifiers purchased in the USA are guaranteed against defects in material and workmanship for a period of three years from the date purchased by the end user, if the amplifier is installed by an authorized MTX dealer (one year, if installed by the consumer). This warranty is limited to the original retail purchaser of product. MTX disclaims any liability for the other incurred damages resulting from product defects.
Please fold and seal with tape WARRANTYREGlSTRATlON&CUSTOMERSURVEY NAME AGE PHONE ADDRESS OCCUPATION CITY DEALERNAME MTXMODELNO. INSTALLED BY DATEPURCHASED YEAR VEHICLE TYPE 1. WASTHISUNIT MAKE CI Purchased for personaluse MODEL 0 Received as a gift 2.
TiiMW#f~E~~~OOOD Amplifier Input Connections AMPLIFIER CAR STEREO (SOURCE UNIT) Remote/Power Antenna Turn-On Wire REQUIRED INSTALLATION TOOLS: Power Drill Adjustible For installation options go to www.mtxauciio.
r r,,~~~E~S10000 Amplifier Output Connections AMPLIFIER 1 Connect to Car Stereo Remote/Power Antenna Turn-On Wire Ground To Metal Power: l/O AWG. Ground: l/O AWG. Disconnect Battery Negative (-) Cable Prior to Installing Amplifier CAUTION: This amplifier may draw in excess of 150 Amps of current. Upgrading the vehicle’s factory battery and alternator is required. (For specific details, contact your local authorized MTX dealer, or call l-800~CALL-MTX.) For installation options go to mtxaudio.
