New C6 Probox
Keep in mind you are comparing apples and oranges
They have 2 different purposes... Your Stealthbox is a sealed box and requires a lot less volume.. Sealed boxes are typically for clarity and not SPL. So you wont be anywhere NEAR the SPL of a properly designed ported box. BUT.. you will certainly win the Audiophile prize for Accuracy...

Remember 2 Different purposes...
By the way.. Probox also used to make a subbox for the C5 that was very similar to the JL Stealthbox.. I'd bet since they were both sealed.. they would have performed the same.. But not pay the JL Premium...
ding and talking to experts here on this site and elsewhere and the general concesus was that ported boxes where not for quality sound reproduction. Yeah I paid a premium for JL but I know what I got. JL's reputation and longevity is well known. I also paid a premium for a Corvette because I know what I was getting and it was worth the cost of admission. What speaker(brand,where made) is installed in your box and how much wattage is it getting? Do they have a website? I'd like to learn more.
Look I am in no was associated with ProBox or anything, I just went by a local audio store and saw one of these boxes and the sales guy was pushing them saying how well they worked. I am a hard guy to sell to so he said, pull your box out and he put one in my car with one 12. It was an easy swap as it was in a hatch back.
Needles to say, I bought the box and had a spare 12.
All that being said, I am building a sealed box for my C5 now because I wanted a 12W7 in it and there is just not enough room for a properly built ported box for a 12W7 and to still be able to store the top. If I had a Z06 or FRC and no top i would definatly go ported.
And as for the JL stealth boxes, they are great. But with all boxes comprimises have to be made. To have a small enclosure that keeps the interior looking clean you cant beat them. But that same JL 10" sub would sound better in a well desighned ported box, but it would take up more room. It is all a comprimise about what is wright for you.
Again, I will say that the ported Pro Box is the best pre made box you can buy. If you dont like how it looks, just throw some carpet or vinyl on it.
LionelC
When you click on a picture of their driver you get a bigger picture of the driver. Im sorry but no name components and no hard data to confirm anything( including moving car roofs and sounding better than 2 10") aint for me. Glad you like yours.
I have spoken to him before.. very knowledgeable..
Gerald is 48.. (yes I asked
)Remember, when the majority of your clientelle is 18-25 and gets a hardon over comments like moving roof panels.. you need to use that if you want to move product..

Us old guys could care less about those comments.. "Show me" is what I say..
I am 48 also and have ALWAYS like my bass to hit hard... I was sold after I heard what it did not what I read....
I have spoken to him before.. very knowledgeable..
Gerald is 48.. (yes I asked
)Remember, when the majority of your clientelle is 18-25 and gets a hardon over comments like moving roof panels.. you need to use that if you want to move product..

Us old guys could care less about those comments.. "Show me" is what I say..
I am 48 also and have ALWAYS like my bass to hit hard... I was sold after I heard what it did not what I read....
You and I are about the same age. In fact Im a year younger.
Most Audio Companys websites list specs for all of their products. Its really not a difficult thing to do. Its not done for a reason. I purchased my sub also based on alot of listening and there were some I was able to dismiss without a listen. Ported boxes Ive heard before, and always sound awful to me. They were not even looked at by me. Let alone a company doesnt provide important info in writing. I'll wager that line for line, they wont be in the same level of quality as the upper tier companys or mid level for that matter. And I dont think most reputable companys need to cater to kids with silly power comments and goofy monster pictures on their subs. I also like my bass to hit hard, thats why I bought a JL Stealthbox. Loud enough to hurt when I want to crank it up and no distortion. Its a win win for my tastes.
The Best of Corvette for Corvette Enthusiasts


I detect a low signal-to-noise ratio... not sure if it's my expectations of this box/driver or the astonishing amount of misinformation thrown around this thread.
Speakers have highly organized and precise parameters that any reputable company will publish. Based on these parameters, anyone armed with some basic understanding of acoustics can predict how a speaker will sound in ANY box. I find it dubious that a company would not publish these numbers. They matter to anyone who knows what they're doing.
At least Kale tried to be a voice of reason. My first post a year ago still stands.
I detect a low signal-to-noise ratio... not sure if it's my expectations of this box/driver or the astonishing amount of misinformation thrown around this thread.
Speakers have highly organized and precise parameters that any reputable company will publish. Based on these parameters, anyone armed with some basic understanding of acoustics can predict how a speaker will sound in ANY box. I find it dubious that a company would not publish these numbers. They matter to anyone who knows what they're doing.
At least Kale tried to be a voice of reason. My first post a year ago still stands.
I detect a low signal-to-noise ratio... not sure if it's my expectations of this box/driver or the astonishing amount of misinformation thrown around this thread.
Speakers have highly organized and precise parameters that any reputable company will publish. Based on these parameters, anyone armed with some basic understanding of acoustics can predict how a speaker will sound in ANY box. I find it dubious that a company would not publish these numbers. They matter to anyone who knows what they're doing.
At least Kale tried to be a voice of reason. My first post a year ago still stands.
I resurrected the thread.. I was searching for feedback on Probox for the C5 and ran into this thread.. I wanted to see if anyone used the New design for the C5... All I found was bashing due to lack of specs... with NO real experience.. and the one that DID have Probox experience all unanimously said they sound great and are well made..

You are too focused on Specs...
This scenario is much like the Dyno queens of HP... Looks great on paper.. 1000 HP but no traction or the proper setup to win a race.
This is also like the guys who trash the Vararam who never owned one. the
The point being that specs are a great guideline.. but certainly NOT the end-all in determining the clear winner..
You really need to listen to this sub before making a judgement.. If after you do that... feel free to offer your opinion.. because then it has a basis.
A.. you get my point...
As a professor I once knew was fond of saying: "Never argue with a fool. They're infectious."
Have fun!
does anyone even know who the biled house is that makes the sub? or what the box it tuned to?
Understanding "acoustics or related fields" hasnt the slightest bit to do with taste. Like saying you need to go get educated on wine to realize that fancy wine you thought tasted like SCHIT is actually a great wine and SUPPOSED to taste that way...

When I am listening on headphones I demand a completely different experience from my music than I do blazing down the road with the top down..
Not everyone is looking for the same thing in music all the time... Ever attend a live Rock Concert? Would you say that is "Reference" Class music? Nope.. not even close.. So why does everyone have a great time?
Bottom line chief....
No need to TRASH something or someone because they dont agree with you.. As you MIGHT recall in all the posts I made.. not ONCE did I trash the other boxes refered to..
I'd prefer to quote... "to each his own" rather than that pompous quote from your self-centered professor.
You have a nice day yourself bro...
Last edited by chuckster; Feb 5, 2009 at 10:10 AM.
If it's as accurate as a sealed box that thing would be great.
What does it weigh?
I have also had JL, JBL, Kenwood, Sony, Kicker, Rockford, Hifonics and Image Dynamics subs. They all sounded good to me and I couldn't tell if one was 5db more or less than the other.
I have seen the dodge ram pro box first hand and it felt like it was solid as a rock.
I have been building custom sub boxes for almost 20 years, and the whole ported vs. sealed thing keeps coming up it seems. Ported boxes will always give you more SPL with the same subs and power as a sealed box. If properly designed they will sound every bit as good as a sealed box, usually better, providing the speaker can handle the mechanical movement. Most speakers that sound bad in ported boxes sound that way due to improper design of the box port, or poor suspension of the driver. Amplifier damping factor also plays a significant part in the cone control, but I will leave the details of that out for now. So, with that said, why do most people build sealed boxes?? They are easy. It is really hard to mess up a sealed box design, just put it together good, and get close to the subs recommended air space. Most shops do not want to put in the extra effort for that 3 db you get from a ported enclosure, it just costs more in labor that most people are not willing to pay. Plus, ported will always be larger than sealed. I use BassBox Pro for all my box design in case anyone is wondering.
As for Probox and their products - They are close to what you pay for (compared to having a real custom built), probably one of the better built mass produced boxes. Gereld has not made a business selling boxes that fall apart or sound really bad. The subs he uses are built for him, overseas I am sure, but probably by a major manufacturer. I am certain that he has the specs for these subs, as the boxes are actually designed for them. Most of his customers probably do not care about the specs, much less know what they mean. If someone were to ask for the specs, I would feel certain that Gereld would supply them. Would I buy a Probox? Most likely not. Not that I dislike them, I just like to build and tune my own enclosures, and I can do that for much less $$$. As for the box in question here, I am sure it would sound decent, probably not competition quality, but I doubt that was the intent of the design. Yes, I don't like the look either, but again, that is easy to fix. No mass manufactured sub box will make everyone happy, that would be too easy.
Sorry for the long post, just thought I would try to give some non-biased input. I'm not knocking Probox, his speakers, or anything else here.

Chris

I really wish Gerald would jump in here. I sent this thread to him.

















