42hz? or 32hz?

 

Silver Member
Username: Snarl2004

Audioque 12 SD2.5s, Earthquake P...

Post Number: 501
Registered: Dec-06
i have 2 12" SD2.5's in a 5ft^3 box. They are getting 500rms each. I want it to sound best for daily driving.

Should i tune the box to 32hz or 42hz?

(the box is already tuned to 42hz but im making an insert and was wondering wut i should tune it to so it bumps:-)
 

Gold Member
Username: Drivingreckless

DD 9515f, USA

Post Number: 2959
Registered: Apr-06
32 hz is probably best...
i drove around with my box tuned to 52hz then 45 hz then 35 hz
the best i think is 35hz but 45 gets loudest :-)
52 sounds like str8t up sh!t
 

Silver Member
Username: Snarl2004

Audioque 12 SD2.5s, Earthquake P...

Post Number: 504
Registered: Dec-06
thanks. ya my box is already tuned to 42 but im thinking about making an insert for it and i was jw wut to tune it to. also would there be a big differance?
 

Gold Member
Username: Tdeaton1021

Near Tampa, Florida USA

Post Number: 3857
Registered: Sep-04
yes there would be a big difference. do and and see what you like best.
 

Silver Member
Username: Snarl2004

Audioque 12 SD2.5s, Earthquake P...

Post Number: 505
Registered: Dec-06
so should i tune to 35 or 32 u think?
 

Gold Member
Username: Tdeaton1021

Near Tampa, Florida USA

Post Number: 3859
Registered: Sep-04
35. AQ and DD subs like high tuning so that should be good.
 

Gold Member
Username: Adddisorder

West palm, Florida

Post Number: 3379
Registered: Jan-06
yeah id tune it down some to 32-35
 

Silver Member
Username: Naledge503

Qnited States of FI Ca...

Post Number: 868
Registered: Jun-06
Write to Audioque and ask dj what he recommends. He says those subs are made to be tuned high and still play low.
 

Gold Member
Username: Logan__tille

Imortal Box Building

Post Number: 6119
Registered: Feb-06
He reccomends 35-40hz
 

Silver Member
Username: Tremor1127

You aint wangin till y...

Post Number: 927
Registered: Aug-06
high tuning for daily socks...

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kicker soloX18 tuned to 60+ hz... hits no lows and pretty much sounds like crap, it is loud though...
 

Gold Member
Username: Drivingreckless

DD 9515f, USA

Post Number: 2982
Registered: Apr-06
no offense bro
but imho that setup right thier sucks not b/c of the sub
but b/c of the box
60+ is not even daily thats like dumb
Build a new box!
 

Silver Member
Username: Tremor1127

You aint wangin till y...

Post Number: 928
Registered: Aug-06
haha, ill tell the OWNER to build a new box, if i ever see him again...
 

Gold Member
Username: Tdeaton1021

Near Tampa, Florida USA

Post Number: 3860
Registered: Sep-04
I'm guessing/hoping thats a burp box right? he doesnt leave that there daily right?
 

Silver Member
Username: Tremor1127

You aint wangin till y...

Post Number: 931
Registered: Aug-06
that was at a car show and he had it sitting out there just jamming for hours, didnt compete that day, said he competed once but was disapointed cause hes running a 2000ish watt audioburn amp...

he uses it daily, all day... haha...
 

Gold Member
Username: Tdeaton1021

Near Tampa, Florida USA

Post Number: 3865
Registered: Sep-04
i bet he thought he was going to hit 160... then when he hit 139 he didnt want to compete anymore because ppl would know hes only hitting 130s lol.
 

Silver Member
Username: Tremor1127

You aint wangin till y...

Post Number: 932
Registered: Aug-06
haha, thats funny cause he told me it did 130s but i cant remember the exact number. pretty sure it was 138.x though. its in a tahoe.
 

Silver Member
Username: Tremor1127

You aint wangin till y...

Post Number: 933
Registered: Aug-06
honestly, i dont know what the guy had in mind but it really did upset me when i first seen it...
 

Platinum Member
Username: Rovin

1 12 Atomic ...

Post Number: 10776
Registered: Jul-05
man that kicker tuned so high must sound like PURE SH!T ! ......}
 

Gold Member
Username: Safe_cracker

Chicago, IL US

Post Number: 2461
Registered: Jan-06
Depends on what you are looking for.. If you want it decently loud, and are using round ports then go with the 42hz tune, it will hit low when you want it anyways. Now if you are going with a square or slot port then I will go with the lower tune but be prepared to add more power to keep the same level of loudness... JMHO.. Polo. :-)
 

Silver Member
Username: Bump05

CashMoney, 15 Hd3 USA

Post Number: 961
Registered: Aug-06
polo ur the man
 

New member
Username: Remotia

Post Number: 10
Registered: May-06
42hz... you planning on killing your sub?

you best put a high pass filter at 38Hz and forget hitting any low notes unless you want to bottom that out when you hit 25, even 30Hz notes.

you're going to have very asymmetric excursion before and after tuning an a very ugly frequecny response that will start with a peak and .... thats it.

42hz is not a subwoofer anymore. I can hit that with midrange drivers in a big box....



IF you want more SPL, get a better driver or better yet, get two. don't use useless alignments like 42hz bass-reflex, lol...
 

Gold Member
Username: Johnfiac

IL Afghanistan,...

Post Number: 1550
Registered: Mar-06
damn and i thought my 50hz prefab box i had a long time ago was tuned high..still have them somwhere lying around... but that box did get loud as Fu<k on a few notes.. for audioburn immortals in a 1.25cu 50hz (2 subs 2 boxes) running 1ohm 2Krms... it hurt my ears pretty bad.. and made my ex gf's cousin ear bleed... but i think thats cuz he had some problem with it from a airplane.. his ears are kinda sensitive to air pressure\sound pressure...

OT - Air pressure flows from High to low preesure areas right... so say your in a part of the world with a higher pressure then another and you go to a different comp... would your system show any DB difference due to the pressure changes... because i mean SPL is basically air pressure still jsut at different freq. and that its a hella lot more pressure... complicated question? does it deserve its own thread :-p
 

Gold Member
Username: Arande2

400dB could probably d..., SouthWest Mi... Too Many DBs...

Post Number: 1640
Registered: Dec-06
Give it a thread.

Hey what does a 20hz tune sound like in a car?
 

Gold Member
Username: Johnfiac

IL Afghanistan,...

Post Number: 1554
Registered: Mar-06
prolly not to loud or to good.. but prolly good sound good for the low lows that you really never hear in any songs..
 

Gold Member
Username: Arande2

400dB could probably d..., SouthWest Mi... Too Many DBs...

Post Number: 1642
Registered: Dec-06
I wonder what SPL a 1" high-excursion tweeter 20khz at 40mm Xmax would be. High obviously.
 

Gold Member
Username: Johnfiac

IL Afghanistan,...

Post Number: 1562
Registered: Mar-06
that would prolly hurt your ears more then the subs LMAO
 

Gold Member
Username: Johnfiac

IL Afghanistan,...

Post Number: 1563
Registered: Mar-06
but then if u think about it.. the xmax being so high i wouldnt be sure if it can produce those freq. that thing would be moving fast as FU<K ... like realllllllly fast
 

Gold Member
Username: Arande2

400dB could probably d..., SouthWest Mi... Too Many DBs...

Post Number: 1644
Registered: Dec-06
Well it's 20 times a millisecond so I guess that's the millisecond version of 20hz. If you have enough amp power, I suppose it's possible... You can accellerate a manhole cover fast enough to do 30hz probably.
 

Bronze Member
Username: Georgiaboy1989

Kennesaw, Georgia

Post Number: 51
Registered: Feb-07
hey snarl is that set-up loud? im thinking of getting the same one.
 

Gold Member
Username: Safe_cracker

Chicago, IL US

Post Number: 2462
Registered: Jan-06
Kyle... You stupid... We aren't talking about Kicker's here, lol. If your sub can't handle running between 25-50hz you need to buy a quality sub, for real! A 42hz tune will come out to be around 38hz in vehicle due to the interior/panel flex, etc. A sub tuned to low is just a waste of energy in my opinion but to actually say you will ruin your sub running it at 25hz when it is tuned 42hz is just real stupid...

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