Jensen 400 Installation & Operation Manual

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POWER Amplifiers
400, 760, 880, 900, 920, 1050
Installation & Operation Manual
Contents
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Features and Specifications . . . . . . . . . . . . . . . 2
Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Power Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Speaker Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Indicators and Controls . . . . . . . . . . . . . . . . . . 10
Testing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Remote Input Level Control . . . . . . . . . . . . . . . 11
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . 12
CEA Power Output . . . . . . . . . . . . . . . . . . . . . . 13

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Table of Contents
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Summary of Contents for Jensen 400

  • Page 1: Table Of Contents

    POWER Amplifiers 400, 760, 880, 900, 920, 1050 Installation & Operation Manual Contents Introduction ......1 Features and Specifications .
  • Page 2: Introduction

    What does matter is whether the power can be produced in the first place. The RMS rating is the true power you are getting. At Jensen, to be fair to you and to the competition, we rate our amps in the two most popular ratings, including the CEA RMS rating.
  • Page 3: Features And Specifications

    • THD+N @ 5 Watts: 0.02%, 125 Hz, 14.4VDC Like all Jensen products, when it comes to accurate sound reproduction the Power series takes a back seat to no one. Jensen will bring your Hi-Fi Power Output experience to new heights with the following features: RMS Power Output @ 2% THD+N, 1kHz, 14.4VDC...
  • Page 4: Installation

    – right and twice! Use the proper installation Location and Mounting techniques, tools and accessories to ensure that your Jensen Power series amp will put out all the power it was designed to. If necessary, seek a The amplifier’s compact design allows great flexibility in mounting.
  • Page 5: Power Wiring

    POWER Amplifiers Power Wiring Power Terminal (+12V/B+) Connect the main power wire to the battery, within 18 inches from the positive Charging System (+) battery post, using an adequate size fuse or circuit breaker capable of In some cases, the installation of just one (1) amplifier could be enough to handling the current of the selected power wire.
  • Page 6 POWER Amplifiers Ground Terminal (GND) Make the ground lead as short as possible, leaving enough length to complete the installation and to allow for any service that may be needed at a later date. To ensure a good ground, scrape away any paint or undercoating to expose bare metal.
  • Page 7: Speaker Wiring

    POWER Amplifiers Speaker Wiring Power 400/880 Two Speakers One Subwoofer The Speaker Wiring diagrams illustrate options for connecting one or two speakers. Observe the proper speaker polarity. 4 ohm nominal 4 ohm nominal NOTE: Power amplifiers can drive speakers with a nominal impedance range of 2~ 4-ohms.
  • Page 8 POWER Amplifiers Power 760/920 Two Speakers and Bridged Subwoofer Four Speakers 4 ohm nominal 2 ohm minimum 4 ohm nominal 2 ohm minimum + CH1 - + CH2 - + CH3 - + CH4 - X-OVER + CH1 - + CH2 - + CH3 - + CH4 - X-OVER...
  • Page 9: Input Wiring

    3 channel or 4 channel. pickup trucks and under-seat mounting will require a 6-12 foot RCA cable. Connect an RCA cable from your receiver to the RCA input on your amplifier. Power 400/880 2 Channel Input Wiring - Stereo Mode...
  • Page 10 POWER Amplifiers 4 Channel MODE 2 3 4 LINE INPUT LEVEL BASS EQ X-OVER MODE LINE OUT FULL 2 3 4 12dB 40Hz 300Hz 40Hz 300Hz FULL 12dB 40Hz 300Hz 40Hz 300Hz NOTE: The use of good quality RCA cables is just as important as power and speaker wire.
  • Page 11: Indicators And Controls

    Power 400 and 880 back it down a bit. Now your radio and amplifier levels are matched. The 400 and 880 come equiped with a MONO/STEREO MODE switch. Use BASS EQ STEREO mode when you have a 2-channel input from the source unit. Use The Bass EQ is continuously adjustable from 0 to +12dB @ 45Hz.
  • Page 12: Testing

    POWER Amplifiers Testing Remote Input Level Control Before finishing the installation, perform the following tests to make sure the The Power 900 and 1050 come equipped with a Remote Input Level Control. wiring is correct and everything is operating properly. The Remote Input Level Control allows the input level to be adjusted from an alternate location.
  • Page 13: Troubleshooting

    POWER Amplifiers Troubleshooting Short circuit Blown speakers Check all speakers protection activated Speaker wire(s) shorting Check for faulty wiring Problem Possible Cause Corrective Action to ground Amplifier does not No power to +12V Check fuse(s) Defective crossover Faulty passive crossover turn on terminal Low impedance...
  • Page 14: Cea Power Output

    RMS Power Output @ 1% THD+N, 14.4VDC Additional Power Output: 430 watts RMS X 1 channel into 2-ohms @ < 1% THD+N Power 400 Frequency Response: 10Hz to 150Hz, -3dB (Reference: 1 watt) Dimensions: L17.25" x H2.5" x W9.0" Power Output: 60 watts RMS X 2 channels into 4-ohms @ < 1% THD+N...

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7608809009201050

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