AMI CUSTOMS Posted June 2, 2014 Report Share Posted June 2, 2014 I posted this on another site, seen this question asked alot, and I get alot of PMs about it here is what I tell everyone. Here is my input on what I have found to be optimum in sound and overall performance (SPL) for both the HDC3 and HDC4. Now there are several versions of both of these subs and I have tested countless hours with both. This is my recommendation, it isn't intended to be the end all BEST but will get you really damn close All recommendations are with alum coil D1 subs. Single sub setup, simply multiply for multi sub setups, works great in my testing. HDC3 old version (Old Style basket) Stiff suspension 1k input power HDC310 - 2.0 cube net with 18 sq inch port area per cube - tune between 36-41 hz HDC312 - 3.0 cube net with 18 sq inch port area per cube - tune between 34-39 hz HDC315 - 5.0 cube net with 18 sq inch port area per cube - tune between 35-40 hz HDC318 - 6.5 cube net with 18 sq inch port area per cube - tune between 33-38 hz 2k input power HDC310 - 1.5 cube net with 17 sq inch port area per cube - tune between 36-41 hz HDC312 - 2.5 cube net with 17 sq inch port area per cube - tune between 34-39 hz HDC315 - 4.0 cube net with 17 sq inch port area per cube - tune between 35-40 hz HDC318 - 5.5 cube net with 17 sq inch port area per cube - tune between 33-38 hz HDC3 current version 1k input power HDC310 - 1.5 cube net with 17 sq inch port area per cube - tune between 36-41 hz HDC312 - 2.5 cube net with 17 sq inch port area per cube - tune between 34-39 hz HDC315 - 4.0 cube net with 17 sq inch port area per cube - tune between 35-40 hz HDC318 - 5.5 cube net with 17 sq inch port area per cube - tune between 33-38 hz 2k input power HDC310 - 1.25 cube net with 16 sq inch port area per cube - tune between 36-41 hz HDC312 - 2.25 cube net with 16 sq inch port area per cube - tune between 34-39 hz HDC315 - 3.75 cube net with 16 sq inch port area per cube - tune between 35-40 hz HDC318 - 5.25 cube net with 16 sq inch port area per cube - tune between 33-38 hz HDC4 old version (soft suspension) 2k input power HDC412 - 2.75 cube net with 18 sq inch port area per cube - tune between 34-39 hz HDC415 - 4.5 cube net with 18 sq inch port area per cube - tune between 35-40 hz HDC418 - 6.0 cube net with 18 sq inch port area per cube - tune between 33-38 hz 4k input power HDC412 - 2.25 cube net with 17 sq inch port area per cube - tune between 34-39 hz HDC415 - 3.5 cube net with 17 sq inch port area per cube - tune between 35-40 hz HDC418 - 5.25 cube net with 17 sq inch port area per cube - tune between 33-38 hz HDC4 current version (stiff suspension) 2k input power HDC412 - 3.0 cube net with 18 sq inch port area per cube - tune between 34-39 hz HDC415 - 5.0 cube net with 18 sq inch port area per cube - tune between 35-40 hz HDC418 - 6.5 cube net with 18 sq inch port area per cube - tune between 33-38 hz 4k input power HDC412 - 2.25 cube net with 17 sq inch port area per cube - tune between 34-39 hz HDC415 - 3.75 cube net with 17 sq inch port area per cube - tune between 35-40 hz HDC418 - 5.5 cube net with 17 sq inch port area per cube - tune between 33-38 hz You will notice the HDC3 and HDC4 like the same tuning based on power and suspension. I have built multiple boxes with different tuning to test how these really performed and these were from my notes on what they really like to get loud. Hope this is helpful. My recommendation on Amp match is HDC3 on budget side SQ1200, loud side SQ2200, HDC4 budget side SQ2200, loud side SQ3500. TEAM SOUNDQUBED -- TEAM SOUTH TEAM S.O.B. - Founder & Captain 3x Streetbeat World Record Holder 2017 MWSPL 1st place Mayhem & 4th Xtreme 4 2016 MWSPL 1st place Mayhem/2nd Adv 4/2nd Xtreme 4 2015 MWSPL 2nd place Mayhem & 4th Xtreme 4 2014 USACI 2nd place Streetbeat 5 - 162.6 db 2014 MWSPL 2nd place Xtreme 4 - 144.9 db 2013 USACI 1st place Streetbeat 4 - 161.9 db 2013 USACI 1st place Street Q+ - 162.8 db 2013 MWSPL 3rd Kaos2 & 4th Xtreme 4 2011 USACI 2nd place MOD 1001-2k - 160.0 db 2011 MWSPL 4th place: Adv3 - 157.8 db, Kaos2 - 150s db, Xtreme4 - 140s db 2010 ARSPL 1st place 501-750 - 160.3 db Arkansas loudest Best score to date 164.4 db - Termlab Outlaw Streetbeat 4 - 161.9 db Streetbeat 5 - 162.6 db MWSPL on Dash Legal door open (Music) - 162.5 db Sealed on dash Legal (Music) - 161.1 db - Termlab THE BLACK NASTY CURRENT BUILD & FAB The Black Nasty (6) 15 Rebuild Log 2012 (4) 15 Walled Sierra Build Log Evo X build log Facebook page The Black Nasty Link to comment Share on other sites More sharing options...
SnowDrifter Posted June 2, 2014 Report Share Posted June 2, 2014 Woweee There you go folks! ~~~~~~~~SAY NO TO PHOTOBUCKET~~~~~~~~ Snow's DD-1 tracks here: https://www.stevemeadedesigns.com/board/topic/167433-snows-dd-1-tracks/ My take on OFC vs CCA: https://www.stevemeadedesigns.com/board/topic/110381-things-that-piss-you-off-in-the-car-audio-world/?do=findComment&comment=2461444 Link to comment Share on other sites More sharing options...
Borris The Blade Posted June 2, 2014 Report Share Posted June 2, 2014 Great info. It's like rubbing your wiener up against a sheep. Link to comment Share on other sites More sharing options...
pa-pa-platypus Posted June 2, 2014 Report Share Posted June 2, 2014 givin away all the loud secrets lol This isn't teeball. YOU DO NOT GET A TROPHY JUST BECAUSE YOU SHOW UP. Put the work in and then maybe get the respect when it has been earned 151.6 with single 12 at 41 hz 153.2 with 2 12's at 43 hz power: dd m4 Link to comment Share on other sites More sharing options...
Karkov Posted June 2, 2014 Report Share Posted June 2, 2014 Truly grateful for your wisdom man. It's nice of you to help like this. =) 2007 Chevy Tahoe (SOLD) 12 ~ FI Audio X series 10" w/BP option 2 ~ DC Audio 5.0K @0.67 3 ~ DC Audio 5.0K @1.0 2 ~ PPI 3 way sets (not installed yet) 1 ~ RF T400-4, 1 ~ RF T600-2, 1 ~ RF T600-4 4 ~ CT Sounds 5.25" Strato comps (rear fill only) 1 ~ XS Power D4800 1 ~ XS Power D3400 8 ~ XS Power XP3000 160 stock alt, Mechman 370 Elite, 185 DC Power 320+ Sq. Ft. Sound Deadener Pioneer AVH-X5500BHS Youtube: https://www.youtube.com/user/knfjdkghjudfhsgkjdhf/videos?sort=dd&view=0&shelf_id=0 Link to comment Share on other sites More sharing options...
oldsoundguy Posted June 2, 2014 Report Share Posted June 2, 2014 I took the specs off of soundqubes site. I just went with the biggest box they had spec'd for two 12's. It s right at 5 cubes after displacement and tuned to 36.5 hz and running off their 2200 amp. Looks like I am right on with the box size and tuning. 80prs Arc Audio Xdi 1200.6 (using active crossovers) Freaking awesome amplifier Incriminator IA 10.1 Focal PS 130v 5.25 (doors) 4" Faital pro Neo (kick panels) 3" Faital pro Neo and focal tweets( dash) DC Audio level 3 12" custom box designed by joex built by me AGM front, XS 750SE batteries rear DC 180 alt 99 Toyota Tacoma extra cab http://www.stevemeadedesigns.com/board/topic/179476-my-small-build-turned-into-the-ongoing-build/ Link to comment Share on other sites More sharing options...
timc31610 Posted June 2, 2014 Report Share Posted June 2, 2014 Hey Andrew, while you are at it could you go ahead and test every other sub on the market and give recommendations for those as well? LOL. But really man, thanks for sharing! I can't see an AQ/SQ sub without thinking Black Nasty! My Build Log 94 Civic http://www.stevemeadedesigns.com/board/topic/188644-94-civic-4-door-build-loq-suggestions-wanted-will-be-super-slow-mo/ Faceebook reluctantly Link to comment Share on other sites More sharing options...
AMI CUSTOMS Posted July 3, 2014 Author Report Share Posted July 3, 2014 TEAM SOUNDQUBED -- TEAM SOUTH TEAM S.O.B. - Founder & Captain 3x Streetbeat World Record Holder 2017 MWSPL 1st place Mayhem & 4th Xtreme 4 2016 MWSPL 1st place Mayhem/2nd Adv 4/2nd Xtreme 4 2015 MWSPL 2nd place Mayhem & 4th Xtreme 4 2014 USACI 2nd place Streetbeat 5 - 162.6 db 2014 MWSPL 2nd place Xtreme 4 - 144.9 db 2013 USACI 1st place Streetbeat 4 - 161.9 db 2013 USACI 1st place Street Q+ - 162.8 db 2013 MWSPL 3rd Kaos2 & 4th Xtreme 4 2011 USACI 2nd place MOD 1001-2k - 160.0 db 2011 MWSPL 4th place: Adv3 - 157.8 db, Kaos2 - 150s db, Xtreme4 - 140s db 2010 ARSPL 1st place 501-750 - 160.3 db Arkansas loudest Best score to date 164.4 db - Termlab Outlaw Streetbeat 4 - 161.9 db Streetbeat 5 - 162.6 db MWSPL on Dash Legal door open (Music) - 162.5 db Sealed on dash Legal (Music) - 161.1 db - Termlab THE BLACK NASTY CURRENT BUILD & FAB The Black Nasty (6) 15 Rebuild Log 2012 (4) 15 Walled Sierra Build Log Evo X build log Facebook page The Black Nasty Link to comment Share on other sites More sharing options...
Awhitewookie Posted July 3, 2014 Report Share Posted July 3, 2014 This is awesome! I am about to order a hdc4 18 and strap some bc2000's to it. such great help! I hate to ask for more since you've already spent all that time and resources, but do you have anything about 4th orders concerning the subs? MY BUILD 1998 Ford Explorer 2dr sport 1/0 Big 3 1/0 everything Alpine cda-9884 Crescendo CZ components (2) Crescendo bc2000's (2) Jolt 150ah (2) Yellow top optimas (1) Juicebox black cherry addition (1) Mechman 270 avbm miss my bc5500 and (4) 15's You know why people are ass holes online but not in person? Because getting punched in the mouth hurts. Link to comment Share on other sites More sharing options...
Cj Kumz Posted July 3, 2014 Report Share Posted July 3, 2014 Hahaha Very true Vw Polo Pioneer Deh-6050UB Sundown Saz-3500d DD Audio 9500 15'' 5.5 cubic feet box with 10 inch port @ 38hz I live to hear the Bass drop!!! Link to comment Share on other sites More sharing options...
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