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Rear speakers: Full range? - Page 2
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Thread: Rear speakers: Full range?

  1. #11
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    Good Intel, thanks!! Given the dsp in the amp, I wonder if the oem is a worthwhile upgrade vs aftermarket when keeping the oem amp for the time being.
    13 500c abarth E+D | cravenspeed | supersprint | cpr | roadrace | corsa forza | m&r | HPSi | Koni | ATM | Wood Co | PTP | Forge | MPx | Neu-f | lots of other stuff

    16 Macan S

  2. #12
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    Quote Originally Posted by mr16valve View Post
    No cutting involved.
    The 3" drops into a small basket and that basket mounts to the 6.5" basket that mounts to the body.
    These cars are designed for a true 6.5" rear speaker plug & play.
    Not true on my 2013 Abarth. The 3" rear speakers had their own enclosures. I had to cut and modify them to fit my 6.5" in

  3. #13

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    Mine popped out of the basket - cannot speak about why yours were different, but in my case what I claimed was true.

  4. #14
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    I'm still deciding what to put in my '18. A Mopar dealer lists the factory amp @ 184W. Maybe in a dream world. Later, I'm likely to go with a Kicker Key amp to balance sound, 180W claimed.

    I think factory speakers are 2 ohm. I'm looking at speaks in the 45-50W range, probably 4 ohm, full range in back and (probably) component in front. Sensitivity is tricky, but I'm thinking lower sensitivity levels. Fortunately, there are some decent choices in the lower price ranges (around $70 a pair). They *should* do well on factory and/or the aftermarket amp. (I'll also be installing sound deadening in the panels, since they are already off.)

    Suggestions? Crutchfield explains speakers: https://www.crutchfield.com/learn/le.../speakers.html

  5. #15
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    Quote Originally Posted by map View Post
    I'm still deciding what to put in my '18. A Mopar dealer lists the factory amp @ 184W. Maybe in a dream world. Later, I'm likely to go with a Kicker Key amp to balance sound, 180W claimed.

    I think factory speakers are 2 ohm. I'm looking at speaks in the 45-50W range, probably 4 ohm, full range in back and (probably) component in front. Sensitivity is tricky, but I'm thinking lower sensitivity levels. Fortunately, there are some decent choices in the lower price ranges (around $70 a pair). They *should* do well on factory and/or the aftermarket amp. (I'll also be installing sound deadening in the panels, since they are already off.)

    Suggestions? Crutchfield explains speakers: https://www.crutchfield.com/learn/le.../speakers.html
    i know a little bit about speakers & ohm ratings. if youre keeping some of the equipment, like the head unit AND the speaker wires, use 2ohm speakers as replacements. dont go 4 ohm.
    https://www.jbl.com/search?cgid=car-...ataChange=true jbl have great 2ohm options, as do their sister company infinity harman.

    quote ----A larger Ohm rating equals a greater load impedance. A higher impedance load will result in less amplifier output for that impedance, for example an amplifier will output more power at 2 ohms than at 4 ohms. Amps can generally be safely wired at 4 or 2 ohms and some even at 1 ohm depending on their design.

  6. #16
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    I replaced the 3" rear speakers a couple weeks ago with 4ohm 6.5" Kenwood speakers - I had to cut the black plastic bowl to make them fit but no big deal. I still have not found the information whether the factory speakers are 2 or 4 ohm for sure. The 4 ohms work fine but I always will wonder what if...
    Luigi says - visualize whirled peas

  7. #17
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    My front OEM (blue) speakers were 2 ohm, I measured them

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    bsedwebt (07-20-2019)

  9. #18
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    Quote Originally Posted by Julien View Post
    My front OEM (blue) speakers were 2 ohm, I measured them
    well thats the answer then

    ergo the other speakers must be the same impedance. the beats/bose/alpine sub though,(if applicable) maybe 1ohm, or even 0.5ohm

  10. #19
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    I can't say what Beats uses, except the article I read said 2 ohm.

    Giuseppe (an '18) is repaired, so the speaks were yanked. The fronts were 6.5", blue cone... not bad for cheap Chinese speaks. The rears are maybe 3" and in an enclosure box. The car received a set of 6.5" Alpine S65's. They aren't the top speaker, but decent for the money. There is tons of room up front. For the rear, we had to cut the enclosure face to fit, then use a heat gun to warp the back, for a fit.

    Before I button it up, 1/4" sound deadening will be applied inside the body panels, with 80 mill insulation to the inner surface (just beneath the plastic panels). The first will minimize road noise, the second should enhance sound quality (mostly up front). I am rather surprised Fiat didn't put that thin foam lining in the rear cavity, like they did in the doors. That lining is mostly what gives the door a solid thunk... should be better after the upgrade.

    If this doesn't do the job, the factory amp will be replaced with an Alpine R-32AF, tucked under the passenger seat.

  11. #20
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    I ended up replacing most of my sound system, except the head unit, in my '13 Abarth.

    Here is what I installed:
    6.75" Hertz speakers in the front doors,
    6.5" Sony In the modified rear speaker housings
    Small Amp in trunk with separate LOC with gain adjustment.
    Dynomat Front doors and rear panels
    Foam inserts for the front speakers

    Here is what I learned:
    1. The output from our decks isn't quite low level or high level, more like mid level (Shrug). Even though my amp could accept high level in it was not loud enough at all. I had to buy a LOC with gain to bump up the sound level input into the amp. System has good power now.

    2. Rear speakers took some modifications of the housings
    Chop:

    Drill:

    Test:

    (Rivet back in - no picture, used 3/16th rivets)

    3. Biggest sound improvement came from foam!
    I placed this square chunk of foam behind the front speakers, above the dynomat I had previously installed:

    Like so:

    This finally got rid of the "boomy" harsh bass response I've been getting with the car (even with the factory speakers).

    And then I cut out the section for the front to make a good seal between the speaker and the door panel:

    This got my deeper bass back.

    I found this amazing ap called Speaker POP for the iphone that tells you if your speakers are in/out of phase. best $4.99 I ever spent.


    Overall I'm mostly happy with the sound, except that my tweeters are too loud compared to the front door speakers. I may end up switching things around again though.




    Oh and I finally fixed my sagging parcel shelf:


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    SSGForti (07-29-2019)

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