Hey. I'm back to building a few speakers, and thought I would try something different. I thought hey? i have a 3d printer. I can custom print my ports to my own specs. Anyone done this?
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Originally posted by hobbyhands View Post... i have a 3d printer. I can custom print my ports to my own specs. Anyone done this?
"Not a Speaker Designer - Not even on the Internet"
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"If the freedom of speech is taken away, then dumb and silent we may be led, like sheep to the slaughter."
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Perfect port?So I'm reading the Harman paper on ports, here is a link: https://www.dropbox.com/s/u18zq95ko92hlra/Harman%20Port%20Study.pdf?dl=0. They test various theories regarding flare radius, power compression, harmonic distortion, surface roughness, etc. They come up with a Normalized Flare Radius relating the flare radius to the port length: NFR = port length/ 2(flare radius), 0 < NFR < 1 where 0 is a straight pipe and 1 is a full flare. After a number of tests of the previously mentioned properties,
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It might be nice to be able to make something between a circular tube and a rectangle. You see some oval shaped ports on commercial gear such can look nice. Or maybe even just a rounded rectangle. Sent from my XT1575 using TapatalkIsn't it about time we started answering rhetorical questions?
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