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MTX Thunder TA7402 Owner's Manual
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MTX Thunder TA7402 Owner's Manual

Mtx audio stereo amplifier owners manual ta7402
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TA7402 Owner's Manual
Introduction
Thank you for choosing MTX to help reach the ultimate goal with your vehicle. Adding MTX amplifiers and
matching MTX speakers and subwoofers with StreetWires connections will put you in a better position to
hear, feel, and experience all of the music the artist intended.
Specifications
Primary Ratings:
Power Output: 100 watts RMS x 2-channels at 4 ohm and ≤ 1% THD+N
Signal-to-Noise Ratio (1 watt): 75dB
Secondary Ratings:
Power Output: 200 watts RMS x 2-channels at 2 ohm and ≤ 1% THD+N
Power Output: 300 watts RMS x 2-channels at 1 ohm and ≤ 1% THD+N
Power Output: 400 watts RMS x 1 bridged at 4 ohm and ≤ 1% THD+N
Power Output: 600 watts RMS x 1 bridged at 2 ohm and ≤ 1% THD+N
THD+Noise (Distortion) (1 watt): ≤ .1%
Frequency Response (-3dB): 20Hz-20kHz
Maximum Input Signal: 10V
Maximum Sensitivity: 100mV
Dimensions: 9-5/8" x 20-11/16" x 2-1/2" (245mm x 525mm x 65mm)
Smart Engage™ Auto-Turn-On (Patent No: US06556683)
Patented Pure N-Channel Technology (Patent No: US05631608, US05783970)
Patented Power Supply (US05598325)
Input Sensitivity Switch: 100mV-1V/1V-10V
Crossover: Hi, 12dB / Low, 24dB Mono @ 40Hz-350Hz, Defeat
Quasi Parametric EQ: Boost/Cut +/-12dB, Freq. 30Hz-80Hz
ARC: Cut 0-15dB, Freq. 200Hz
Remote Subwoofer Level Control

Features

1. Prizm EFX – All MTX amplifiers include backlit adjustment controls on the top surface of the product.
•
Color – The backlit controls offer unlimited colors on the display -- from RED, GREEN, and BLUE to any
color in between.
•
EFX – You can switch Prizm EFX lighting to "pulsate" with the beat of the music.
2. Xtant Technology Cooling (XTC) – A thermal-regulated turbo-charged intercooler supplies fan forced cool air
evenly and constantly through tightly packed bonded fins. Fan speed is continuously variable and controlled
by the amplifier's output, temperature of heatsink, and transformers. Exhaust from the internal heatsink is
strategically positioned to cool the transformers to maintain maximum performance at all volumes.
3. Bi-Level Inputs with Smart Engage™ – All MTX amplifiers feature RCA type input connections. All MTX
amplifiers allow both high level and line level input into the RCA type input connections.
•
Low Level Input – Source units with an output signal level of 100mV–10V may be used. See "Input
Sensitivity" for proper voltage level setting.
•
High Level Inputs with Smart Engage™ – All MTX amplifiers allow high level inputs through RCA type
input connections using provided high level adapters. Source units with an output signal level of 100mV–10V
may be used. See "Input Sensitivity" for proper voltage level setting.
•
Smart-Engage™ Auto-Turn-On - An auto-turn-on circuit is included within the amplifier. A remote turn-
on wire is not necessary when connecting the amplifier's high-level input to a high-powered source unit (car
stereo). The amplifier will automatically turn on when music is received through this type of connection.

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Summary of Contents for MTX Thunder TA7402

  • Page 1: Features

    TA7402 Owner’s Manual Introduction Thank you for choosing MTX to help reach the ultimate goal with your vehicle. Adding MTX amplifiers and matching MTX speakers and subwoofers with StreetWires connections will put you in a better position to hear, feel, and experience all of the music the artist intended.

  • Page 2: Before Starting

    Note: Smart Engage™ is only active on the left input. 4. Input Sensitivity – The Input Sensitivity switch is used to set the proper input voltage range: X1 POSITION: 100mV–1V (Typically for RCA Input) X10 POSITION: 1V–10V (Typically for Speaker Level Input) 5.

  • Page 3: Installation Mounting

    Installation Mounting Place your Thunder amplifier at the predetermined mounting location. Use a felt pen to mark the exact position of the mounting holes on the mounting surface. Set the amplifier aside. Then with a sharp, precise blade cut small circles in the carpet and padding around the four marks denoting your mounting holes to expose the metal underneath.
  • Page 4 The gauge of the power and ground wire is often an overlooked aspect of amplifier installation. The more power the amplifier receives, the more power it will produce. Power cables have a natural resistance, and will lose voltage by the time the power makes its way to the amplifier. The larger gauge (diameter) wire will hold more voltage over longer runs.
  • Page 5 standard for low pass crossover point is right around 90Hz. However, by experimenting with the crossover point (higher or lower) you will find what sounds best in this install. This amp uses a 24 decibel per octave roll off, which is pretty steep, or tapers off fairly quickly from the crossover point. This design complements both the subwoofer and the mid to provide greater musical detail.

  • Page 6: Troubleshooting

    Trouble Shooting Read this if you want to be a do-it-yourselfer or give us a call at 800-CALLMTX. PROBLEM CAUSE No LED indication No +12V at remote connection No +12V at Power connection Insufficient ground connection Blown power fuse LED on, no output Volume on head unit off Speaker connections not made Gain control on amplifier off...