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New info JBL system lower ohms to increase volume

Discussion in '3rd Gen. Tacomas (2016+)' started by Ysrracer151, Aug 20, 2019.

  1. Sep 2, 2019 at 9:31 PM
    #201
    Ysrracer151

    Ysrracer151 [OP] Okopipi

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  2. Sep 3, 2019 at 3:54 AM
    #202
    Ysrracer151

    Ysrracer151 [OP] Okopipi

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    So after reading that link I just posted. If the tweeters in the dash are wired are wired in parallel do the door speakers and all 4 speakers are indeed 2 ohm that would be a total of 8 ohm. So lowering the sub to 2 ohm instead of 4 ohm decreases the overall speaker load by 2 ohms would increase the volume like I initially noted when I did my subwoofer swap.and since the front door speakers are wired directly with the subwoofer that I verified when I tried to go to 1 ohm just to check if it was possible. This explains how i got more volume. Not double volume but there was a noticable increase in volume.
     
  3. Sep 3, 2019 at 4:10 AM
    #203
    Ysrracer151

    Ysrracer151 [OP] Okopipi

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    I learned alot about the jbl engineering and kinda what great lengths harmon went to into trying to keep people out of their software. Risc software, debugging, sniffing traffic and they have a passcode just to get into the software generated by signals or tones. They made it super inconvenient to try and debug
     
    Last edited: Sep 3, 2019
  4. Sep 3, 2019 at 5:52 AM
    #204
    Riotfunk

    Riotfunk Well-Known Member

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    It boosts sound out of the dash speakers and the rear doors with the sub wired in. The front doors are more, mid/bass. No real vocals now. The dash and rear doors now do your vocals. With the oem sub, the rear doors were almost inaudible. Sounds far better though, can actually hear vocals at 12. Might be in part that the 6x9s in front aren't bleeding. They muddied up over 30 because of bass. Wiring the sub the other way probably didn't sound as good since it was cutting the tweeters. Really only speakers in the truck that play vocals are in the dash.
     
  5. Oct 22, 2019 at 3:23 PM
    #205
    TacoManz

    TacoManz Member

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    I've been trying to find something on this for a while now and I hope I didnt just over look the answer somewhere else. I just put some subs behind my rear seats and I notice the vents on the rear wall behind the seats are making a lot of noise. From the outside it sounds terrible. The little rubber flaps are slapping against the vent itself making a ton of noise. Anyone have any solutions for this?
     
  6. Oct 22, 2019 at 3:30 PM
    #206
    Ysrracer151

    Ysrracer151 [OP] Okopipi

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    No easy option, those vents are necessary. And very sensitive to air pressure inside cab. I've seen people take the bed off to put stuff to block the sound and if you mess with the vents mlt opening your going to not like the results in the cab.I made my own

    20190929_183208.jpg
     
  7. Oct 22, 2019 at 3:34 PM
    #207
    Wixo

    Wixo Very Well-Known Member TTC#0175

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    Same

    (not engineer)
     
  8. Oct 22, 2019 at 3:36 PM
    #208
    TacoManz

    TacoManz Member

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    Yeah, figured there wasn't a whole lot to be done. It has just annoyed the hell outa me and wanted to know if anyone has found a way yet. Thanks tho
     
  9. Oct 22, 2019 at 3:38 PM
    #209
    Ysrracer151

    Ysrracer151 [OP] Okopipi

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    2.2 cubic feet of air

    20190929_162056.jpg
    20190929_183413.jpg
     
  10. Oct 22, 2019 at 3:43 PM
    #210
    MrGooch

    MrGooch Well-Known Member

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    I've come to the realization that the stock jbl system is simply trash and needs to be entirely replaced. Going with the oem+ for now and a new head unit. I can't take how lack luster this thing is and how meh everything sounds. I hate it.
     
    Tac0Man and TimC like this.
  11. Oct 22, 2019 at 4:53 PM
    #211
    Lt. Dangle

    Lt. Dangle Thinks skiploder needs a hug

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    This thread makes me feel old. You guys are swapping subs and what not, and I'm sitting here thinking about how the sub eats up all the storage space behind the seat where I keep my straps and gloves and stuff.
     
  12. Oct 22, 2019 at 4:56 PM
    #212
    Ysrracer151

    Ysrracer151 [OP] Okopipi

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    Under the seat is where everything fits!
     
  13. Oct 22, 2019 at 5:41 PM
    #213
    Lt. Dangle

    Lt. Dangle Thinks skiploder needs a hug

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    I've got a shovel and other stuff there too lol.
     
  14. Oct 22, 2019 at 5:48 PM
    #214
    0xDEADBEEF

    0xDEADBEEF lolcowboy

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    I can't decide if I want to fill my truck with speakers and put my stuff on a trailer, or build a trailer that is nothing but speakers...
     
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  15. Oct 22, 2019 at 6:00 PM
    #215
    ICU1

    ICU1 Well-Known Member

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    Not to mention the cool factor
     
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  16. Jan 1, 2020 at 9:23 PM
    #216
    bluelinetaco

    bluelinetaco Member

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    Morimoto 5500k hid, Morimoto XB Led fog, two minions in the back seat, and a dog in the bed
    Sub'd

    Thanks for this thread everyone, it helps a lot!
     
  17. Jan 1, 2020 at 9:59 PM
    #217
    supmet

    supmet Well-Known Member

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    So. Are there 2 premium JBL set ups for 3rd gens? Unless I turn mine up loud enough to cause physical pain, I have no distortion. I've never experienced clipping, you definitely can't have a conversation with a passenger with the volume over 35-40, and my volume has never turned itself down.
     
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  18. Apr 18, 2020 at 10:45 PM
    #218
    TACO Padre

    TACO Padre The wise man thinks twice and says nothing.

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  19. May 23, 2020 at 10:05 AM
    #219
    TacoManOne

    TacoManOne Well-Known Member

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    Just ordered the Polk from Crutchfield. thanks for providing the info. it if needs more power might get a small 2 CH amp.
     

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