port area question
03-12-2005, 09:44 AM
#1
500 Watt CAFz'r
Thread Starter
Join Date: Nov 2004
Posts: 779
port area question
lets say i have a box 2.0 cf i wanted to tune to 33hz.if i were to use one port with 16sq inch 16.5 " length or one port with lets say 20 sq inch 21.06" length. what kind of differences will there be between the 2? does it affect power handling?
03-13-2005, 07:00 PM
#5
Originally posted by hofulstrof:
how about a difference in spl or sq
how about a difference in spl or sq
True SPL really has NO SQ QUALITIES!!!!
When looking for SQ really you should only run sealed if you are attempting hardcore SQ, the reasoning behind that is sealed is the only possible way to get a true flat response. Poerted is used in SPL and daily driving mostly but hardcore SQ people use sealed in every case that I have seen. You really need to have a goal in mind before you decide on what type of enclosure to use.
This post was a combination post by myself and Livin Loud.
[ March 13, 2005, 08:09 PM: Message edited by: Perfect Tones- Chris ]
03-14-2005, 01:51 PM
#6
Guest
Posts: n/a
^ That's pretty funny. [img]graemlins/laugh.gif[/img]
As for answering the guy - a larger vent is usually considered better for both output and SQ until the vent either becomes too long or it begins to unload the woofer. At the sizes you listed, it's not an issue.
As for answering the guy - a larger vent is usually considered better for both output and SQ until the vent either becomes too long or it begins to unload the woofer. At the sizes you listed, it's not an issue.
03-15-2005, 03:40 PM
#7
Originally posted by Dukk:
^ That's pretty funny. [img]graemlins/laugh.gif[/img]
As for answering the guy - a larger vent is usually considered better for both output and SQ until the vent either becomes too long or it begins to unload the woofer. At the sizes you listed, it's not an issue.
^ That's pretty funny. [img]graemlins/laugh.gif[/img]
As for answering the guy - a larger vent is usually considered better for both output and SQ until the vent either becomes too long or it begins to unload the woofer. At the sizes you listed, it's not an issue.
03-15-2005, 11:25 PM
#8
1000 Watt CAFz'r
Join Date: Mar 2004
Posts: 1,093
Originally posted by Dukk:
^ That's pretty funny. [img]graemlins/laugh.gif[/img]
As for answering the guy - a larger vent is usually considered better for both output and SQ until the vent either becomes too long or it begins to unload the woofer. At the sizes you listed, it's not an issue.
^ That's pretty funny. [img]graemlins/laugh.gif[/img]
As for answering the guy - a larger vent is usually considered better for both output and SQ until the vent either becomes too long or it begins to unload the woofer. At the sizes you listed, it's not an issue.
Livin Loud
03-16-2005, 10:19 AM
#9
50 Watt CAFz'r
Join Date: Nov 2003
Posts: 237
Originally posted by Perfect Tones- Chris:
</font><blockquote>quote:</font><hr />Originally posted by hofulstrof:
how about a difference in spl or sq
</font><blockquote>quote:</font><hr />Originally posted by hofulstrof:
how about a difference in spl or sq
True SPL really has NO SQ QUALITIES!!!!
When looking for SQ really you should only run sealed if you are attempting hardcore SQ, the reasoning behind that is sealed is the only possible way to get a true flat response. Poerted is used in SPL and daily driving mostly but hardcore SQ people use sealed in every case that I have seen. You really need to have a goal in mind before you decide on what type of enclosure to use.
This post was a combination post by myself and Livin Loud. </font>[/QUOTE]And how exactly does this answer his question about port area? He was asking about the differences between larger and smaller ports, not between ported and sealed boxes. I've asked this question before as well, and it's hard to get a straight answer. Maybe people just don't like to admit that they don't know everything...
[ March 16, 2005, 11:21 AM: Message edited by: strappingyounglad ]
03-16-2005, 10:26 AM
#10
1000 Watt CAFz'r
Join Date: Mar 2004
Posts: 1,093
Originally posted by strappingyounglad:
</font><blockquote>quote:</font><hr />Originally posted by Perfect Tones- Chris:
</font><blockquote>quote:</font><hr />Originally posted by hofulstrof:
how about a difference in spl or sq
</font><blockquote>quote:</font><hr />Originally posted by Perfect Tones- Chris:
</font><blockquote>quote:</font><hr />Originally posted by hofulstrof:
how about a difference in spl or sq
True SPL really has NO SQ QUALITIES!!!!
When looking for SQ really you should only run sealed if you are attempting hardcore SQ, the reasoning behind that is sealed is the only possible way to get a true flat response. Poerted is used in SPL and daily driving mostly but hardcore SQ people use sealed in every case that I have seen. You really need to have a goal in mind before you decide on what type of enclosure to use.
This post was a combination post by myself and Livin Loud. </font>[/QUOTE]And how exactly does this answer his question about port area? He was asking about the differences between larger and smaller ports, not between ported and sealed boxes. I've asked this question before as well, and it's hard to get a straight answer. Maybe people just don't like to admit that they don't know everything... </font>[/QUOTE]i can guarantee no-one knows everything. difference between larger and smaller ports is tunng, and air flow, velocity, woofer excursion, power limits, sound quality, etc.. lots man.. you could probbaly get a 1000 page novel written about this kinda stuff... to give u a full-out answer on this, i wouldn't know where to start. well.. i'd probably start at a search engine and look at a lota webpages on speaker venting..
BTW.. sory to over take the post with our comment on sealed vs ported, but like i mentioned, we failed to read to initial subject posted, so we kinda went off in left field [img]graemlins/freak.gif[/img] sorry guys...
Livin Loud
