SQL Scion tC

[LosIsATool 5,000+ posts]

Did you see what I did to a scion tC for seals/deadening? The build log is in here also.

Yes I have,, a few times. Im still not sure if I want to bump the 6.5s up to the Mille before I finish the pods. Im not sure how they will sound with the HE tweeters but im guessing good

 

[keep_hope_alive Premium Member]

No, I wasn't referring to the Mille, your speakers are just fine.

I am referring to the work I did in the rear corner and rear quarter. Stupid lossy, that entire rear quarter. We put in a lot of work to eliminate that highly resonant part of the car. Any tC owner should do the same.

That tC is so well sealed, if you try to shut both doors at once, one pops back. It's cool.

 

[LosIsATool 5,000+ posts]

I know that.. I put 2 layers of deadner on the rear quarters. Still flexes.

 

[keep_hope_alive Premium Member]

We did more than layers on the outside, we did several layers built up on opencell foam. The result is zero exterior flex. Since the interior layer is decoupled from the exterior.

Someone wanting SPL would want something similar, but not foam that flexes. The interior layer should be rigid. I would opt for several layers of fiberglass on top of the foam backing if I wanted SPL.

 

[LosIsATool 5,000+ posts]

I like the sound and range of this box but i know this set up has a 50 in it, or at least close to it. I dont think this car likes subs up so Buck is drawing something up with subs and port back with about 18sq inches of port per cube. It may not be as accurate but we will see.

 

[LosIsATool 5,000+ posts]

No more electrical issues. Those XS fittings are garbage. View attachment 26532536

 

[LosIsATool 5,000+ posts]

Screw it.. If I want to enter a SQ comp I'll just turn the subs off and let the 8s play down. Its time to get loud. 3.1 internal, 18 square inches of port. Let them eat! Thanks for the design Buck, I'll let you know how it turned out late next week.

View attachment 26532685

 

[LosIsATool 5,000+ posts]

We did more than layers on the outside, we did several layers built up on opencell foam. The result is zero exterior flex. Since the interior layer is decoupled from the exterior.
Someone wanting SPL would want something similar, but not foam that flexes. The interior layer should be rigid. I would opt for several layers of fiberglass on top of the foam backing if I wanted SPL.

I see what your talking about. I'm going to take your advice on this.

 

[THATpurpleKUSH 5,000+ posts]

I would add more bracing to the box in the form of 2 dowels to connect the top piece to the bottom piece. You can never have too much bracing imo. If you want SPL you need rigidity, many people don't realize this.

 

[wenn_du_weinst 10+ year member]

Screw it.. If I want to enter a SQ comp I'll just turn the subs off and let the 8s play down. Its time to get loud. 3.1 internal, 18 square inches of port. Let them eat! Thanks for the design Buck, I'll let you know how it turned out late next week. View attachment 26532685

if you do that you will lose, you still need subsonic reproduction in sq comps.

 

[sacsking916 5,000+ posts]

if you do that you will lose, you still need subsonic reproduction in sq comps.

I think at this point he's more interested in getting loud.

 

[LosIsATool 5,000+ posts]

I think at this point he's more interested in getting loud.

Yep. I didn't go this far in the hole to not use this stuff for what it's meant for.

 

[sacsking916 5,000+ posts]

Yep. I didn't go this far in the hole to not use this stuff for what it's meant for.

I heard that lol. Got any vids of it with the old box? Did u get a chance to meter it?

 

[LosIsATool 5,000+ posts]

I heard that lol. Got any vids of it with the old box? Did u get a chance to meter it?

No vids

Metered lower then I was looking for. It was a music box and it did that well. I asked for that and I got it so I cant complain. It would really drop though. I had a feeling it would meter good according to the graph but that peak didnt happen in the car.

 

[sacsking916 5,000+ posts]

Whatd it meter at? The downfall with the graphs is that they change so much in the car. Wiah there was a way outside of keep testing, that a program knew the car frequencies, that way the graphs will be spot on. If only it was a perfext world lol