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Atlantic Technology T70 PBM manual

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Table of contents for the manual

  • Page 1

    Model T70 PBM High Performance Powered Subwoofer Instr uction Manual 343 V anderbilt A venue Norwood, MA 02062 (781) 762-6300 www .atlantictechnology .com A tlantic T echnology ® I NNOVATIVE H OME T HEATER[...]

  • Page 2

    2 Model T70 PBM M ODEL T 7 0 PBM High Per formance Powered Subwoofer Congratulations on your pur chase of an Atlantic T echnology T70 PBM powered subwoofer . With proper care, your new subwoofer will provide many years of trouble-free performance. The T70 PBM is capable of delivering very high output levels and wide dynamic range. When properly pla[...]

  • Page 3

    3 A tlantic T echnology ® Figure 1: T ypical amplifier panel and controls for Model T70 PBM. Y ou’re amplifier may differ from this illustration. Important Note: If you are using a surround receiver/processor that includes its own filtered subwoofer output we recommend that you set the crossover control on the T70 PBM to 150Hz. ● T wo line inp[...]

  • Page 4

    4 Model T70 PBM ● A Phase Invert switch (Normal/Invert) This switch allows precise acoustic matching with speaker systems whose output may be phase reversed. This switch also allows you to compensate for unusual room acoustics that occur when a woofer is physically separated from the midrange/high frequency units. Be sure to try the Phase switch [...]

  • Page 5

    5 A tlantic T echnology ® Example 1: Subwoofer Line Out/ Low Level In When using this connection method, please see the Important Note on page 3. Example 2: Preamp Line Out/Low Level In for 1 Subwoofer This arrangement is for owners of stereo receivers/ amplifiers with Preamp outputs. If your receiver/ amplifier uses jumper links be- tween the Pre[...]

  • Page 6

    6 Model T70 PBM Example 3: Preamp Line Out/Low Level In for 2 Subwoofers Note that the L/MONO input is used on both sub- woofers. Instead of Y -adapters, you may also use the outputs to con- nect back to the Main Inputs as shown in Option 2 of Example 2. Pre Out Main In LR Left Sub Woofer Right Sub Woofer Receiver/Amplifier/Processor INPUT LEFT L/M[...]

  • Page 7

    7 A tlantic T echnology ® Example 5: Speaker Out/ High Level In for 2 Subwoofers This is the most common method for connecting 2 subwoofers to a system without a dedicated sub- woofer line out or Preamp outputs. Note that the L/MONO High Level input is used on both left and right subwoofers. Left Right Main Speakers Left Sub Woofer Right Sub Woofe[...]

  • Page 8

    8 Model T70 PBM Figure 2: T ypical arrange- ment for a single subwoofer in a home theater . Start here Less Bass More Bass Placement and Operation Generally speaking, the best location for your new Subwoofer will be in the front of the room, in or close to a corner (Figure 2). Every room has its own unique sound characteristics, and flexibility in [...]

  • Page 9

    9 A tlantic T echnology ® that you know has good bass content, and turn the level control up until you just start to hear the subwoofer working. Now , from your normal listening position, determine whether the subwoofer is playing loudly enough and filling in the bass frequencies of the music evenly . If adjustment is necessary , start by changing[...]

  • Page 10

    10 Model T70 PBM crossover frequency . Consult the manufacturer’ s specified low frequency response for your main speakers to determine the appropriate setting on the subwoofer . In the end, however , a little time spent experimenting will generally result in dramatically better bass response. The Phase Invert Control A subwoofer operating out of[...]

  • Page 11

    11 A tlantic T echnology ® Subwoofer T roubleshooting Guide Once your subwoofer is set up, you should have many years of maintenance free enjoyment from your system. However , if you should encounter a problem, refer to the following guide to help find the solution. If the problem persists, please contact your local authorized Atlantic T echnology[...]

  • Page 12

    12 Model T70 PBM The lightning flash with arrowhead, within an equilateral triangle, is intended to alert the user to the presence of uninsulated “dangerous voltage” within the product’ s enclosure that may be of sufficient magnitude to constitute a risk of electrical shock to persons. The exclamation point within an equilateral triangle is i[...]