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Reload Thread: 2014 Accord Sport SQ Build keep_hope_alive

  1. #121
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    Re: 2014 Accord Sport SQ Build keep_hope_alive

    send me pics. via messenger. I cant see goodies at work




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    Re: 2014 Accord Sport SQ Build keep_hope_alive

    Quote Originally Posted by keep_hope_alive View Post
    4 hours of effort treating the passenger door. that's deadening, absorption, MLV barrier and CCF decoupler, and then terminating the speaker wires i had previously ran into the door. tomorrow i will repeat for the passenger door.

    the passenger door needed deadening, so a few sheets of BXT II did the trick.


    then came the most important part of treating a door - adding absorption. this is a 1" thick compressed fiberglass ceiling tile (with the white cover removed). $6 per 2'x4' piece. this is easier to work with than the loose batt insulation and being compressed it offers more absorption with less hassle.






    next came the barrier. the factory barrier is thin. i wanted to use MLV for the barrier but had the challenge of keeping water out. the factory setup has a slit where water can drain but it is flawed. so i added Ensolite (CCF( to the metal where the MLV will contact and also to the entire inside (one piece, sticky side out) to stick to the MLV and create a watertight barrier.




    I'm trying to find these insulating tiles locally. I checked out the Lowes and Home Depot websites, but I'm not sure what these things looked like before you cut them down. Would so be so kind as to provide me with a product link?



    My Minivan Setup:
    • Head Unit: Kenwood KDC-BT852HD
    • Speakers: 4 Pioneer TS-D6902R coaxials on 2 SONY Xplod XM-1002HXs (The old school, made in Japan ones), ~100W RMS @ 4Ω to each
    • Subwoofers: 2 Rockford Fosgate P210S8 10"s in a custom 2.75ft³ ported enclosure tuned to 35Hz on a Kenwood KAC-9103D, ~400W RMS @ 4Ω to the pair

  4. #123
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    Re: 2014 Accord Sport SQ Build keep_hope_alive

    Quote Originally Posted by Umbra View Post
    I'm trying to find these insulating tiles locally. I checked out the Lowes and Home Depot websites, but I'm not sure what these things looked like before you cut them down. Would so be so kind as to provide me with a product link?
    They have a thin white plastic covering. I have a photo in Lowe's I will find.

    Sent from my SM-G900V using Tapatalk



    got a question? shoot me a PM. Matthew 6:9-15 - YouTube Channel: https://www.youtube.com/channel/UCkYUo2EShW9lgtrfXiDvLNQ/videos
    2014 Accord build log: http://www.caraudio.com/forums/car-audio-build-logs-cars-trucks-suvs/608637-2014-accord-sport-sq-build-keep_hope_alive.html
    2001 Accord build log: http://www.caraudio.com/forums/car-audio-build-logs-cars-trucks-suvs/536049-2001-accord-ex-sedan-its-long.html
    2011 Scion tc: http://www.caraudio.com/forums/car-audio-build-logs-cars-trucks-suvs/625345-kha-does-2011-scion-tc.html
    2005 Scion tC: http://www.caraudio.com/forums/car-audio-build-logs-cars-trucks-suvs/516096-2005-scion-tc-sq-hertz-audison-pioneer-build-log.html

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  6. #124
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    Re: 2014 Accord Sport SQ Build keep_hope_alive

    Quote Originally Posted by keep_hope_alive View Post
    They have a thin white plastic covering. I have a photo in Lowe's I will find.

    Sent from my SM-G900V using Tapatalk
    This is what you sent me





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  8. #125
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    Re: 2014 Accord Sport SQ Build keep_hope_alive

    Perfect!

    Sent from my SM-G900V using Tapatalk



    got a question? shoot me a PM. Matthew 6:9-15 - YouTube Channel: https://www.youtube.com/channel/UCkYUo2EShW9lgtrfXiDvLNQ/videos
    2014 Accord build log: http://www.caraudio.com/forums/car-audio-build-logs-cars-trucks-suvs/608637-2014-accord-sport-sq-build-keep_hope_alive.html
    2001 Accord build log: http://www.caraudio.com/forums/car-audio-build-logs-cars-trucks-suvs/536049-2001-accord-ex-sedan-its-long.html
    2011 Scion tc: http://www.caraudio.com/forums/car-audio-build-logs-cars-trucks-suvs/625345-kha-does-2011-scion-tc.html
    2005 Scion tC: http://www.caraudio.com/forums/car-audio-build-logs-cars-trucks-suvs/516096-2005-scion-tc-sq-hertz-audison-pioneer-build-log.html

  9. #126
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    Re: 2014 Accord Sport SQ Build keep_hope_alive

    Isn't that stuff 2" or something? Would a similar ceiling tile, thinner though, work? My home Depot and Lowes do not carry that particular tile. I've been in numerous times looking

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  10. #127
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    Re: 2014 Accord Sport SQ Build keep_hope_alive

    no its the thin tile.

    maybe 1/2 - 3/4 thick.



    88 s10 blazer 2door 6/6 drop triple black.
    pioneer 80prs- ppi 88r DSP - rca 7" tablet.
    8-sq super tweeters on ( us acoustics barbara ann 4ch) ( "amp 1" )
    4-sq pro 6.5 on ( us acoustics Barbara Ann 4ch) ( "amp 2" )
    4- 8"dayton's on ( aq 200.2 )
    sq hdc3 15" d2, tuned to 34hz on ( ppi ba7000.1 ) (( doing 4 sq hds212 ))
    all knu wire/rca, big 4,, db 200amp alt/100amp alt.
    yellow top under hood--- 7- amg battery's in back. 40sq ft of q-mat.
    plans.... (2)sq-2200,,(2)sq-120-4--3-240amp alt's. knu dampener
    CHEVY RULES..............

  11. #128
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    Re: 2014 Accord Sport SQ Build keep_hope_alive

    Well poop shoot. Wonder where the hell I got 2" from... Would any fiberglass ceiling tile work?

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  12. #129
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    Re: 2014 Accord Sport SQ Build keep_hope_alive

    as long as its like the same stuff sure.



    88 s10 blazer 2door 6/6 drop triple black.
    pioneer 80prs- ppi 88r DSP - rca 7" tablet.
    8-sq super tweeters on ( us acoustics barbara ann 4ch) ( "amp 1" )
    4-sq pro 6.5 on ( us acoustics Barbara Ann 4ch) ( "amp 2" )
    4- 8"dayton's on ( aq 200.2 )
    sq hdc3 15" d2, tuned to 34hz on ( ppi ba7000.1 ) (( doing 4 sq hds212 ))
    all knu wire/rca, big 4,, db 200amp alt/100amp alt.
    yellow top under hood--- 7- amg battery's in back. 40sq ft of q-mat.
    plans.... (2)sq-2200,,(2)sq-120-4--3-240amp alt's. knu dampener
    CHEVY RULES..............

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  14. #130
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    Re: 2014 Accord Sport SQ Build keep_hope_alive

    yep, compressed fiberglass is the goal. mineral fiber ceiling tile isn't useful. any high NRC acoustical ceiling tile would work.



    got a question? shoot me a PM. Matthew 6:9-15 - YouTube Channel: https://www.youtube.com/channel/UCkYUo2EShW9lgtrfXiDvLNQ/videos
    2014 Accord build log: http://www.caraudio.com/forums/car-audio-build-logs-cars-trucks-suvs/608637-2014-accord-sport-sq-build-keep_hope_alive.html
    2001 Accord build log: http://www.caraudio.com/forums/car-audio-build-logs-cars-trucks-suvs/536049-2001-accord-ex-sedan-its-long.html
    2011 Scion tc: http://www.caraudio.com/forums/car-audio-build-logs-cars-trucks-suvs/625345-kha-does-2011-scion-tc.html
    2005 Scion tC: http://www.caraudio.com/forums/car-audio-build-logs-cars-trucks-suvs/516096-2005-scion-tc-sq-hertz-audison-pioneer-build-log.html

  15. #131
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    Re: 2014 Accord Sport SQ Build keep_hope_alive

    Just tapping the pins wasn't consistent and the HU circuitry didn't like the parallel connections. It was randomly muting output. So I removed the IC to also get a confirmation of the chip used.



    This is the actual IC


    I removed the IC pins and decided to solder the RCA stranded wires directly to the board




    I changed the location of the RCA jacks which fit much better





    works great. I didn't get the channel assignments correct. This is the channel assignment
    IN1 = Front Right
    IN2 = Front Left
    IN3 = Rear Left
    IN4 = Rear Right

    This surprises me because the circuit layout wasn't symmetric, was completely different than the similar IC I suspected, and i expected an attenuated rear with the front channels having the parallel inputs as seen on the board.

    The good news is that both front and rear outputs sound the same. I observed bass roll-off in the output compared to my 9887 but it sounded MUCH better than the speaker outputs. Volume 39 of 40 had no clipping and sounded great - a signal level that matched the AUX input on my HU.



    got a question? shoot me a PM. Matthew 6:9-15 - YouTube Channel: https://www.youtube.com/channel/UCkYUo2EShW9lgtrfXiDvLNQ/videos
    2014 Accord build log: http://www.caraudio.com/forums/car-audio-build-logs-cars-trucks-suvs/608637-2014-accord-sport-sq-build-keep_hope_alive.html
    2001 Accord build log: http://www.caraudio.com/forums/car-audio-build-logs-cars-trucks-suvs/536049-2001-accord-ex-sedan-its-long.html
    2011 Scion tc: http://www.caraudio.com/forums/car-audio-build-logs-cars-trucks-suvs/625345-kha-does-2011-scion-tc.html
    2005 Scion tC: http://www.caraudio.com/forums/car-audio-build-logs-cars-trucks-suvs/516096-2005-scion-tc-sq-hertz-audison-pioneer-build-log.html

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  17. #132
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    Re: 2014 Accord Sport SQ Build keep_hope_alive

    RTA testing completed. Front matches Rear in frequency response but not in level. Front is louder (as we all knew) by 8dB.

    FRONT


    REAR



    Front (same as above, different scale)


    Compare to the RTA I did on the speaker outputs





    Looks like the roll-off is the same and certainly ahead of the factory amp. But this is able to be managed and with ultra-low distortion, i think a standard bass restoration interface or processor should be fine. Especially a processor with an auto-EQ CD that measures the factory output. Regardless of this bypass or high-level inputs, the advantage here is eliminating the HU distortion.



    got a question? shoot me a PM. Matthew 6:9-15 - YouTube Channel: https://www.youtube.com/channel/UCkYUo2EShW9lgtrfXiDvLNQ/videos
    2014 Accord build log: http://www.caraudio.com/forums/car-audio-build-logs-cars-trucks-suvs/608637-2014-accord-sport-sq-build-keep_hope_alive.html
    2001 Accord build log: http://www.caraudio.com/forums/car-audio-build-logs-cars-trucks-suvs/536049-2001-accord-ex-sedan-its-long.html
    2011 Scion tc: http://www.caraudio.com/forums/car-audio-build-logs-cars-trucks-suvs/625345-kha-does-2011-scion-tc.html
    2005 Scion tC: http://www.caraudio.com/forums/car-audio-build-logs-cars-trucks-suvs/516096-2005-scion-tc-sq-hertz-audison-pioneer-build-log.html

  18. #133
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    Re: 2014 Accord Sport SQ Build keep_hope_alive

    Is that what you are aiming for?



    2014 Ford Fusion SE 2.0T
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  19. #134
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    Re: 2014 Accord Sport SQ Build keep_hope_alive

    Quote Originally Posted by NoLoud4U View Post
    Is that what you are aiming for?
    A clean signal is what I wanted. Something I can work with. I didn't expect it to be flat. Yes, mission accomplished. I am happy the front is the same as rear, because the front has hands free calling on it.

    I would prefer a flat response but a MiniDSP can get me there.

    Note the above are directly from the HU, not a mic measurement.

    Sent from my SM-G900V using Tapatalk



    got a question? shoot me a PM. Matthew 6:9-15 - YouTube Channel: https://www.youtube.com/channel/UCkYUo2EShW9lgtrfXiDvLNQ/videos
    2014 Accord build log: http://www.caraudio.com/forums/car-audio-build-logs-cars-trucks-suvs/608637-2014-accord-sport-sq-build-keep_hope_alive.html
    2001 Accord build log: http://www.caraudio.com/forums/car-audio-build-logs-cars-trucks-suvs/536049-2001-accord-ex-sedan-its-long.html
    2011 Scion tc: http://www.caraudio.com/forums/car-audio-build-logs-cars-trucks-suvs/625345-kha-does-2011-scion-tc.html
    2005 Scion tC: http://www.caraudio.com/forums/car-audio-build-logs-cars-trucks-suvs/516096-2005-scion-tc-sq-hertz-audison-pioneer-build-log.html

  20. #135
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    Re: 2014 Accord Sport SQ Build keep_hope_alive

    Quote Originally Posted by keep_hope_alive View Post
    A clean signal is what I wanted. Something I can work with. I didn't expect it to be flat. Yes, mission accomplished. I am happy the front is the same as rear, because the front has hands free calling on it.

    I would prefer a flat response but a MiniDSP can get me there.

    Note the above are directly from the HU, not a mic measurement.

    Sent from my SM-G900V using Tapatalk
    I was thinking that was acoustic.



    2014 Ford Fusion SE 2.0T
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