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Box I’m about to build for low lows tuned 21hz 1 15


camshairtricks

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2 hours ago, Mitchaford said:

 thread has 11 pages

71% of the content posted is all from OP 

I want to see this video of no flex. Whatever magical metal they are making his kia roof out of I want it now

Its steel. ? Sorry after reading all the partial words I am a bit annoyed.

Also, I swear if I have to order more of these KIA radios cause of him I will make him start building them. I have ordered way too many.

skar sk2500.1
0 gauge power and ground kunukonceptz
alpine HU
vxi65 components on BA gt-275
new build log -> http://www.stevemeadedesigns.com/board/topic/150642-project-d-kon-deathcards-build-log/#entry2148821
2 x-15 sundowns

singer alt, odyssey bat, and maxwell ultra caps

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22 hours ago, Joe X said:

I had a quick look at your box on your OP, my modeling did not find any problems with the box specs, if it is correctly laid out is a different matter.

System. box, 4 cubic feet tuned to 21Hz with a 6 in round port, sub is skar EVL 15, power to 1250W.

Cone displacement is OK.

image.jpg

Vent airspeed is OK as well.

image.jpg

Frequency response considering in car cabin gain is very peaky.

image.jpg

 

The only mistake I found is using win ISD for a car audio project without any mods.

As far as frequency response you are about 6 dB down at 30Hz so I would not expect it to get too loud to the ear.

If you are really building this post some video and some comments on your results, should be interesting.

 

thats the box i was going to build last i have a box that i have built already that has a 7by7 sq port it was tuned at 28hz but last nite i made the port longer an removed some extra bracing an tuned it to 24hz net volume is around 4cubes port is 50 inches long now lol ....thats why i have not reply back on here i been busy .  let me now what you think of this box its 19.50 tall 16 deep 39 wide  port is 7by7 and 50 to 51 inches long ... i might just keep this box like it is instead of building the box with the 6 inch port . thanks lmk pls 

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the roof flex that you can see from within the vehicle does not match what you see on the outside. I don't think he made both of those videos playing at the same level..

2007 Ford F-150 Reg. Cab. Flareside
250 Mechman Alternator
Sky High Car Audio Big 3
XS Power D3400
Rockford Fosgate 1/0 amp kit
Rockford Fosgate T1500-1bdcp
Rockford Fosgate T400-4
DC Audio Lvl 4 12"
Rockford Fosgate Punch 6.5" component
Rockford Fosgate Punch 6x8
Pioneer AVH-P2300DVD
SMD Volt Meter

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Move along. Nothing to see here. The fun is over boys and girls. 

Chevy Sonic Wall (4) 15's on 10k Build Log

https://www.stevemeadedesigns.com/board/topic/209412-2015-chevy-sonicwall4-15s10klithiumlarge-case-hairpin-us-alts/

(4) Fi SP4 15's | (2) Ampere 5Ks | Active! | Arc KS600.2 & KS125.2mini | CDT Silk Domes | Silver Flute 8s | 240Ah JY | US Alts

Jeep Wrangler JK (4) 8's in a 4th Order Build Log

https://www.stevemeadedesigns.com/board/topic/209841-shadow-2016-jeep-wrangler-jk4th-order4-8sdc-35klarge-case-hairpin-us-alts/

IG @walledsonic

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I thought you said it was loud? You should build the new box.

91 C350 Centurion conversion ( Four Door One Ton Bronco)

250A Alternator (Second Alternator Coming Soon)

G65 AGM Up Front  / Two G31 AGM in Back

Pioneer 80PRS

CT Sounds AT125.2 / CT Sounds 6.5 Strato Pro component Front Stage

CT Sounds AT125.2 / Lanzar Pro 8" coax w/compression horn tweeter Rear Fill

FSD 5000D 1/2 ohm (SoundQubed 7k Coming Soon)

Two HDS315 Four Qubes Each 34hz (Two HDC3.118 and New Box Coming Soon)

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