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new score-145.4 at 49 hz.


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Well i did a little bit of testing today with my new lab. I had an old box laying around for 2 15s so i put2 of my q power 15s in there and wired my sundown 2000 at 1 ohm. The box is 2 chambers and each chamber is 2.5 cubes with 2 4" pvc ports per chamber tuned to 38-40 hz. The first test, i did a 143.0 at 48 hz. Then i raised my pvc ports up about 2" and i did a 143.7. Then i put the ports on the outside and i did a 144.3 and a 143.7. Let me know what yall think.

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Im redoing the port on the box now and doing a slot port with 1 chamber tuned to 43 hz.

Edited by liftedranger08

2000 White Ford Ranger

5" RCD lift

33x12.50 Mickey Thompson MTZs on 16x8 Mickey Thompson Classic 2s

Euro Altezza tail lights

5% window tint

Clarion Indash

4 Q Power 15s

1 Sundown 2000

1 DC power 300 amp alt(on the way)-soon to be 2

2 powermaster d925s batteries

Second Skin Deadener

Highs/mids amp-Crossfire 404

Door speakers-2 5x7 mb quarts and 1 5 1/4" black max up front, stock 5x7s in the rear

Soon to Come:

Lots of SA-8s

2 Sundown saz 3500s(possible 4500s)

5-7 d3100 batteries

custom clamshell

BNC 8s for mids

undecided tweeters

teamnemesissundown.jpg

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Here is the tear down of the box. Im redoing it so it will be 1 common chamber. It will be 5 cubic ft tuned to 29 hz with 69.75 sq inches of port. Maybe my 15s will hit the lows now.

Ports removed

020.jpg

Front baffle removed

021.jpg

Divider removed and new port put into place. The new port is 15.5x4.5x37.5

022.jpg

2000 White Ford Ranger

5" RCD lift

33x12.50 Mickey Thompson MTZs on 16x8 Mickey Thompson Classic 2s

Euro Altezza tail lights

5% window tint

Clarion Indash

4 Q Power 15s

1 Sundown 2000

1 DC power 300 amp alt(on the way)-soon to be 2

2 powermaster d925s batteries

Second Skin Deadener

Highs/mids amp-Crossfire 404

Door speakers-2 5x7 mb quarts and 1 5 1/4" black max up front, stock 5x7s in the rear

Soon to Come:

Lots of SA-8s

2 Sundown saz 3500s(possible 4500s)

5-7 d3100 batteries

custom clamshell

BNC 8s for mids

undecided tweeters

teamnemesissundown.jpg

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how much those q powers run u?

and how did u secure your tube ports?... they look easy to remove (no expoxy or glue)

This was my very first box that i built a long time ago. I had it laying around so i figured id use it. For the ports, I just screwed them in and put some bracing between them inside the box. It worked. I no my numbers will drop, but hopefully my lows will pick up.

2000 White Ford Ranger

5" RCD lift

33x12.50 Mickey Thompson MTZs on 16x8 Mickey Thompson Classic 2s

Euro Altezza tail lights

5% window tint

Clarion Indash

4 Q Power 15s

1 Sundown 2000

1 DC power 300 amp alt(on the way)-soon to be 2

2 powermaster d925s batteries

Second Skin Deadener

Highs/mids amp-Crossfire 404

Door speakers-2 5x7 mb quarts and 1 5 1/4" black max up front, stock 5x7s in the rear

Soon to Come:

Lots of SA-8s

2 Sundown saz 3500s(possible 4500s)

5-7 d3100 batteries

custom clamshell

BNC 8s for mids

undecided tweeters

teamnemesissundown.jpg

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Share on other sites

isnt that a little small for 15"s? i dont know what the Q's like but it sounds like it wants a bigger box since you got louder with the ports out of the box.

If I answered you in a well mannered, informative way, you asked a good question or had a good attitude. If I was an asshole, you asked a stupid question or you had a fucktard attitude... or I was in a bad mood.

Team BassickHU: Pioneer AVIC Z110Front: Peerless SLS 6.5", Peerless HDS 4", Rainbow tweeter - running activeAmp: JL HD600/4 and DC 4 channel (bridged to midbass)Processor: JBL MS-8Subs: 2x 12" AA MayhemsAmp: DC 3kElectrical: DC power 270xp alt. 1/0 big 4. XSpower D3400 and six D680s.

http://www.stevemeadedesigns.com/board/topic/121795-29-update-the-buick-is-getting-a-rebuild/

Top career scores: DBdrag 151.7 MECA SQ 82.25My SOTM build

Yeah. im pretty sure they dont warranty retarded people.

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I think they like about 2.5 cubes per sub.

2000 White Ford Ranger

5" RCD lift

33x12.50 Mickey Thompson MTZs on 16x8 Mickey Thompson Classic 2s

Euro Altezza tail lights

5% window tint

Clarion Indash

4 Q Power 15s

1 Sundown 2000

1 DC power 300 amp alt(on the way)-soon to be 2

2 powermaster d925s batteries

Second Skin Deadener

Highs/mids amp-Crossfire 404

Door speakers-2 5x7 mb quarts and 1 5 1/4" black max up front, stock 5x7s in the rear

Soon to Come:

Lots of SA-8s

2 Sundown saz 3500s(possible 4500s)

5-7 d3100 batteries

custom clamshell

BNC 8s for mids

undecided tweeters

teamnemesissundown.jpg

Link to comment
Share on other sites

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