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LC6 i, LC2 i, with 4 channel amp + powered sub?

Discussion in 'Audio & Video' started by stealthmode, Jan 19, 2020.

  1. Jan 19, 2020 at 9:51 AM
    #1
    stealthmode

    stealthmode [OP] Well-Known Member

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    So heres where I am at with my very slow build.
    I started with some Hertz 6x9s and 6.5s in the rear paired up with an Alpine MRX-F65 (see below for amp connections pics). Great upgrade for the last few years. Now after some reading through the TW black hole :spending:

    I'd like to add either a LC2 or LC6 (depending on sub & amp) and a powered sub. A sub box and using the rear storage is overkill for me so powered sub is the direction I'm heading.

    https://www.tacomaworld.com/threads/under-seat-sub.534849/#post-17199482

    Screenshot_20200119-100447_Chrome.jpg

    Now- if going be adding a powered sub and a Line out Converter (LC2 or LC6) I have a problem because I only have a 4 channel amp which I would like to KEEP rather than upgrade to a 5 channel... so heres my question for you guys - can I avoid upgrading to a 5 channel amp by wiring the LOC and Amp using either their bridge or summing options?

    The LC6i manual (attached) recommends to NOT connect a speaker directly to the Line Output Converter and the traditional method as most of you know is Head Unit- LOC- Amp- Speakers (see attached).

    The amp manual shows a pic of bridging, and specs say 4 ohm and 2 ohm loads are possible.



    20200119_100248.jpg


    Time to ditch the 4 channel?

    Screenshot_20200119-100453_Chrome.jpg
    Screenshot_20200119-103653_Drive.jpg
    Screenshot_20200119-103633_Drive.jpg
     

    Attached Files:

  2. Jan 19, 2020 at 10:34 AM
    #2
    dolbytone

    dolbytone Well-Known Member

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    Get a LC6 and move the wires on the amplifier input to the Audio Control, then send the output for Front L/R and Rear L/R from the Audio Control to your current 4 channel amp, and the other two can be used to send signal to either a subwoofer amplifier, or powered sub. There's no need to sum or bridge.
     
    boostedka likes this.
  3. Jan 19, 2020 at 11:23 AM
    #3
    stealthmode

    stealthmode [OP] Well-Known Member

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    I follow . I think. Lol.

    And I thought the same thing but according to the diagram in their manual you cant use the LOC outputs to go directly to a source (speaker).
    Screenshot_20200119-103633_Drive.jpg
    It has to come from the Amp - I think.
     
  4. Jan 19, 2020 at 12:15 PM
    #4
    dolbytone

    dolbytone Well-Known Member

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    The amplifier is last thing before the speakers.

    HU out to LC6
    LC6 out to your 4 channel amplifier
    Two LC6 outputs left for a subwoofer connection.
     
    stealthmode [OP] likes this.
  5. Jan 19, 2020 at 5:25 PM
    #5
    stealthmode

    stealthmode [OP] Well-Known Member

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    Gotcha that's what I thought and why I just assumed a LC6 vs a LC2 would give me that option but after looking at the manual and their diagram it looks like that's a no go? Unless I'm missing something? Check out #9


    Screenshot_20200119-123740_Drive.jpg
     
  6. Jan 19, 2020 at 7:08 PM
    #6
    dolbytone

    dolbytone Well-Known Member

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    “Subwoofer connection” meaning, as I wrote in the previous response, either a subwoofer amplifier or a powered subwoofer. Both cases is an amplifier input.
     

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