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Sunday 5.1.2025 / 01:57
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are my speakers being ruined?
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codydog
Member
_ 		17. May 2006 @ 10:27 _ Link to this message    Send private message to this user   
Looks good. I bet they are power hungry. I just uploaded some graphs on porting and enclosures. If you port you don't have to follow the enclosure restrictions. That's what the port does, makes the enclosure virtually larger. I hope I'm not telling you what you already know. I just like to start at "a" and go from there.
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codydog
Member
_ 		17. May 2006 @ 11:15 _ Link to this message    Send private message to this user   
Ok, put more graphs and things, up. Glad to hear people still want to learn things. I have a lot more. It was the late 80's when I was doing this. Sure could have used the internet then. But, i've got pages out of library books, physics books, and stuff locked in the far reaches of my memory. Just takes someone to ask the right question to knock it loose. Like i tell some of the guys building computers, the fun is in researching and trial and error. But once you get it, I mean really get an understanding of it all, it then falls in place. Then share the knowledge. Or what you learned is useless. CD. I'll get off my soapbox now.
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janrocks
Suspended permanently
_ 		17. May 2006 @ 19:58 _ Link to this message    Send private message to this user   
Just my 50c as an ex-pro sound engineer...thinking back on what I know of enclosure loading.. you need to work out the static resonance of the boxes ..volume x largest dimension..will give you a peak standing wave resonance..then ports need to damp that resonance while not "unloading" the driver at frequencies below the fundamental.. it's not to let sound out, but more to make the driver see a larger and elastic space..therefore increasing the efficiency (dB/W/M) of the driver..whilst limiting the maximum excursion of the cone at frequencies below the fundamental..basically stopping the cone tearing itself out of the frame.. It's not as simple as cutting a hole somewhere..there are optimum sizes and positions..and maybe even the need for a transmission line damper..have a good time..this is a massive subject..
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codydog
Member
_ 		17. May 2006 @ 20:08 _ Link to this message    Send private message to this user   
Way to go janrocks. And when the rings around uranus align with the stars of the what??????? Too much info. I like to keep it a hobby. Sounds like a fun course though.
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caza125
Junior Member
_ 		18. May 2006 @ 01:51 _ Link to this message    Send private message to this user   
wow sounds like a lot of work...lol
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