nah - you read it right. In my attempt to make it so simple even Haunz could understand I muddied the intent.

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Paul Niwranski
1966 Cadillac Superior Crown Royale Limousine Hearse

If you're mirrors ain't shakin...you got taken...
RIP Member #8
Be careful what you wish for...

OK dukk I conceed...

seems to me if real turbulence was an issue where there was an audible difference you would know it because of port noise... but there wasn't any you mentioned, just the diffference was 'audible' what ever that means.....

oh wait I think you said audebil... ahhhh so I take it there must have been at least a one debil drop in level, or was that one debil of noise, or maybe a one debil shift in response... ahh very interesting.....


You want me to agree that in some instances an aero port will work better with fewer losses sure I will...... but so would using a slightly longer wider/greater # of ports............ OK, so in an instance when thats not an option I would take the aero.........

You on the otherhand seem to be saying that there will be a flat out audible difference every time between an aero port and a regular round or slot port..... and that 's bullshit......

and since you missed it YES I have auditioned aero ports versus regular ports side by side..... and I have even had the inclination to try a few smoke tests..... so you can sit on that


MY ORIGIONAL COMMENTS WERE THUS:
a regular port functions the same way as an aero port... and there will not necessarily be any difference between them...


I am sure most sensible people 'in the know' would agree with that

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SIC Audio

First, I never mispelled "audible" anywhere. Furthermore, wtf is a "debil"? The word is decibel.. luks up werds You're welcome.

Finally, I don't want you to agree to anything. My original comment that so wronged you was merely a comment that in many cases an upgrade to a flared vent is a positive move.

I would like it though if you refrained from talking out your ass on topics you have no idea about. No chance of that happening any time soon though

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Paul Niwranski
1966 Cadillac Superior Crown Royale Limousine Hearse

If you're mirrors ain't shakin...you got taken...
RIP Member #8
Be careful what you wish for...

k k easy now... just duke it out in person!!

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nah, I don't hold any kind of grudge to Haunz at all. He certainly posesses enthusiasm about audio, just some of the theories need tweaking/refining.

__________________
Paul Niwranski
1966 Cadillac Superior Crown Royale Limousine Hearse

If you're mirrors ain't shakin...you got taken...
RIP Member #8
Be careful what you wish for...

Fair enough dukk... you say adding a flair can be an advantage and I agree.... but I also say that it won't nescisarily make any difference at all.... and that if it does, using a larger port would be just a good.... apparently that is me talking out my ass though...


the debil buisness was a joke to rass the shit out of you.... looks like it worked...

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SIC Audio

slot or tube venting? i dont think one is better than the other, diameter or area of the vent is only relevant to a combination of vehicle and enclosure volume, and woofer cone area and the amound of power used and of course, where you are loading the vent from in the vehicle! where sq is concerned, i believe the same rules apply, you shouldn't have a vent area larger than the cone area to keep tonal balance and of course, cancelling dead waves inside the box is important. try using baffling or cotton fibre fill or even egg cartons!
im not a pro, this is just what ive experienced personally

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90 chevy astro "no wall"
153.6 certified
TF one 18" , and ab 500.1
we'll see what happen's! Thanks Yuli and Nick

in my opinion as long as you have the effective port area needed
it really doesn't matter if you use slot port or round ports...

the slot ports are easier to adjust and acheive the needed port
area

and round ports can be a pain in the arse trying to fit long multiple
tubes in a box with 90*

I don't build very many enclosures with round ports anymore...I get
very good results out of slot ports and MDF is wayy cheeper than ABS or PVC

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Pound That Sound

It is my understanding that the port with the least amount of 'eddy currents' is the flared round port, followed by a regular round port and finally by a square/rectangle or non round port.

But then again I might be on crack.


'eddy current' = port distortion in this example

so how DO you calculate tuning with an aero port, or with regular pvc, I use the calculator on the12V.com, so is that for aero or pvc. Oh and what if I put a bell end on the end of the pvc.