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Discussion in 'Archived Threads 2001-2004' started by AlexKunec, Mar 15, 2002.
Does anyone now how to make a flare for a 4" port?
I made some sontube subs recently with 4" ports, I couldn't find any 4" flares locally, so I used a router to cut a 20mm radius flare into the top endcap, and added some mdf to the bottom of the port and did the same thing. Ideally the flare should be a larger radius than 20mm but thats the only router bit I had.