Having a very hard time getting help. PROS ONLY!

[Joseph M 10+ year member]

uhm... tell you now sucess take expirements no matter what anyone tells you

 

[sub-FATHER 10+ year member]

its called CLIPPING YOUR CLIPPING THE SIGNAL, CLIPPING CAUSES THE SUBS TO MOVE FROM ONE END TO THE OTHER ON CERTAIN FREQUENCIES.

WHEN I GO FROM 2 AMPS TO JUST ONE AMP, MY 18S DO THIS. BUT WITH BOTH AMPS THE SUBS STAY IN CONTROL.

 

[mendon mafia 10+ year member]

its called CLIPPING YOUR CLIPPING THE SIGNAL, CLIPPING CAUSES THE SUBS TO MOVE FROM ONE END TO THE OTHER ON CERTAIN FREQUENCIES.
WHEN I GO FROM 2 AMPS TO JUST ONE AMP, MY 18S DO THIS. BUT WITH BOTH AMPS THE SUBS STAY IN CONTROL.

In case you did not watch the vid i posted...

if i was running my amp to the point of clipping i would be hitting that single 12" alpha with 3k+. its wired up to 1 ohm in the vid. also in the vid i am only running on my stock 600cca battery and 200 amp alt and the voltage isint even dropping below 13.

clearly 3k rms on a stock batt and 200 amp alt would pull my voltage way down easily to the 12's if not 11's or 10's. I used to do it all the time with my 2k amp.

all that aside, your clipping

 

[PV Audio 5,000+ posts]

its called CLIPPING YOUR CLIPPING THE SIGNAL, CLIPPING CAUSES THE SUBS TO MOVE FROM ONE END TO THE OTHER ON CERTAIN FREQUENCIES.
WHEN I GO FROM 2 AMPS TO JUST ONE AMP, MY 18S DO THIS. BUT WITH BOTH AMPS THE SUBS STAY IN CONTROL.

In case you did not watch the vid i posted...
if i was running my amp to the point of clipping i would be hitting that single 12" alpha with 3k+. its wired up to 1 ohm in the vid. also in the vid i am only running on my stock 600cca battery and 200 amp alt and the voltage isint even dropping below 13.

clearly 3k rms on a stock batt and 200 amp alt would pull my voltage way down easily to the 12's if not 11's or 10's. I used to do it all the time with my 2k amp.

all that aside, your clipping

Do not even pay him any mind, sub2weeker has proven many many times that he does not know anything at all. This problem has absolutely nothing to do with clipping in the slightest.

 

[patotay 10+ year member]

that one's funny..lol

"the port opening farther from the corner"..this sounds good!

there's no excess air for the sub to ****.i may be wrong

 

[mendon mafia 10+ year member]

that one's funny..lol
"the port opening farther from the corner"..this sounds good!

there's no excess air for the sub to ****.i may be wrong

you do know what i mean correct?

someone mentioned it was close to the corner. it is, its about 5-6" away from the opposite wall, for a 4" port that is pretty close.

im gonna cut it back about 3" to start (after determining the effect of 45's), should raise tuning into the low 40's as well maybe it will control the cone better in the higher range after.

 

[SicAudio 5,000+ posts]

maybe the box length is causing backwaves? i would definately listen to PV he is about as sharp as they come IMO. but like another said you need to decide if you want music or a fart box.

 

[GAM3OVR 5,000+ posts]

Didnt want to read all the posts, but the Box port looks way more then the box needs, and you net box volume came out to be like 1.93 and tuning close to 39.

I would go back and build a box w/ 2.2 net w/ 34sq in of port area tuned to 35 and see if that gets you a better result. Hopefully the sub unloads better

 

[mendon mafia 10+ year member]

Didnt want to read all the posts, but the Box port looks way more then the box needs, and you net box volume came out to be like 1.93 and tuning close to 39.

I would go back and build a box w/ 2.2 net w/ 34sq in of port area tuned to 35 and see if that gets you a better result. Hopefully the sub unloads better

what calculator did you use? i used the one on 12 volt but apparently it way off. what did you figure for sub displacement? I was figuring .22 for a 12"

 

[PV Audio 5,000+ posts]

maybe the box length is causing backwaves? i would definately listen to PV he is about as sharp as they come IMO. but like another said you need to decide if you want music or a fart box.

//content.invisioncic.com/y282845/emoticons/laugh.gif.48439b2acf2cfca21620f01e7f77d1e4.gif I wouldn't put that much faith in me. There are people here like ciaonzo and JimJ who know more about audio than I could hope to.

 

[SicAudio 5,000+ posts]

.22 for 1 sub? closer to .10 if that

 

[mendon mafia 10+ year member]

.22 for 1 sub? closer to .10 if that

1.93 cubes is wrong then.

i get 2.2 cubes before driver displacement for EACH BOX that i built

Boxes are .75" thick mdf. 31" long, 18.5 wide, 13.5 tall. port is 4" wide 12" tall.

the port opening inside the box (bent part) is 5" away from the inside wall.

leaves me with 24x12.25 area for the big section. plus the opening for the port which is 5x4.75 so thats 24x12.25 + 5x4.75 = 317.75 x 12 = 3813 /(12^3) = 2.206 cubes before sub displacement.

How do you get 1.93?

 

[SicAudio 5,000+ posts]

i never calculated the box someone else di i said .22 for 1 sub is wrong closer to .10 if that unless its got a huge motor like a nightshade ect.

 

[SicAudio 5,000+ posts]

//content.invisioncic.com/y282845/emoticons/laugh.gif.48439b2acf2cfca21620f01e7f77d1e4.gif I wouldn't put that much faith in me. There are people here like ciaonzo and JimJ who know more about audio than I could hope to.

i said aboutas sharp not the sharpest lolz yeah i have some of their posts and they know sum shit too lolz several on here actually do and they share it alot vs flaming people lolz. all good qualities imo.

 

[mendon mafia 10+ year member]

i never calculated the box someone else di i said .22 for 1 sub is wrong closer to .10 if that unless its got a huge motor like a nightshade ect.

no you didnt calculate it but 2 others did and they both got 1.93 i must be doing somthing wrong i guess.