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#5051 |
diyAudio Member
Join Date: Sep 2004
Location: Prague, Czechia
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I've never seen that. Could you send me the whole file?
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#5052 |
diyAudio Member
Join Date: Jun 2016
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Sure, attached.
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#5053 |
diyAudio Member
Join Date: Sep 2004
Location: Prague, Czechia
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I'll check that later, just one thing I see right now - be sure to add "Source.Velocity = 2", otherwise you model quite a different thing:
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#5054 |
diyAudio Member
Join Date: Sep 2004
Location: Prague, Czechia
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#5055 | |
diyAudio Member
Join Date: Oct 2006
Location: San Diego
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Quote:
It's such a bummer when I work on something all weekend, do that first measurement in REW, and before the measurement even appears on screen, you can tell if it's good just by the sound of the sweep. |
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#5056 |
diyAudio Member
Join Date: Mar 2007
Location: Metro Wash DC
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Here are additional normalized measurements (to isolate horn performance), with a slightly better-printed horn (same Peerless driver).
Thanks |
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#5057 |
diyAudio Member
Join Date: Sep 2004
Location: Prague, Czechia
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Thanks again. I think that better would be to normalize to 10°. If you look at the sim (#4969), just above 5 kHz there is a slight ripple on-axis. If normalized to 0° this ripple will show in all the other polars instead - that's not describing the overall behaviour very well. I know it's always difficult with normalization. Maybe you could simply show the raw data as well.
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#5058 |
diyAudio Member
Join Date: Mar 2007
Location: Metro Wash DC
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Sure, Matab.
See additional pics. Now normalized to 10 degrees, and raw. Again - the two sides have not yet be glued - just taped together. |
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#5059 |
diyAudio Member
Join Date: Sep 2004
Location: Prague, Czechia
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Great. Do you know the details of the exit section of the driver used (angle and depth of the last conical section)?
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#5060 |
diyAudio Member
Join Date: Sep 2006
Location: Canada
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I'm ready to print the ST260, just want to make sure. Is 30% infill good enough?
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