diameter 100mm would need a lenght of 310mm
diam. 150mm - 750mm long
What inside diameter tube do you have at home or can you find cheaply?
Or would you rather make a rectangular port, then post the exact dimensions and wall thickness.
Make the port as big as possible, size of box permitting.
diam. 150mm - 750mm long
What inside diameter tube do you have at home or can you find cheaply?
Or would you rather make a rectangular port, then post the exact dimensions and wall thickness.
Make the port as big as possible, size of box permitting.
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Best to download any of the FREE box designers. I use WinISL. The mass of the air in the port is extremely critical, so none of this "big as" stuff. "To get down to" is a totally incorrect way to design a speaker. It is to use the driver to it's best ability. Driver, box and box tuning work together to give a wide variety of possible outcomes.
It sounds like you have not read Vance, Murphy, or D'Appolito yet. Please do. Without understanding what you are trying to do, you are stabbing in the dark and may not like the results.
Remember, all the models just get you close. You still have to prototype and measure!
It sounds like you have not read Vance, Murphy, or D'Appolito yet. Please do. Without understanding what you are trying to do, you are stabbing in the dark and may not like the results.
Remember, all the models just get you close. You still have to prototype and measure!
Collo's DIY Subwoofer Enclosures
Read through the entire site. It's worth it.
*edit*
Doh.
Oh well, I second this site as it is a really good source for information and tools.
Flare-it is a very practical sanity check.
Read through the entire site. It's worth it.
*edit*
Doh.
Oh well, I second this site as it is a really good source for information and tools.
Flare-it is a very practical sanity check.
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Hi gareth,
IMO it's not a good idea to convert your near 'optimal closed box' into a BR as you would only gain extension when trading SQ.
IMO, a volume of >= 160 L is required using the very good Scan-Speak driver in a BR box, i.e. I would consider to build a ML-TL BR box.
b
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