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Old 17th June 2009, 08:21 AM   #1
Antonio is offline Antonio  Italy
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Default Phase Plug, how does it works?

Hi all!

does any of you know how a phase plug works? I'm tolking about phase plug on a conventional cone driver, not the one mounted in the compression drivers.

Could you suggest some interesting reading about?

Thanks,


Antonio
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Old 17th June 2009, 10:01 AM   #2
MaVo is offline MaVo  Germany
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Maybe this? http://www.centauriaudio.com.au/diy/plugs.html
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Old 17th June 2009, 11:17 AM   #3
JLH is offline JLH  United States
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I use Henricksen’s AES reprint #1328 as a guideline for my own radial phasing plugs. Both radial and circumferential phasing plugs get the job done, but I find the radial to be a better choice for me. If you use a ridiculous complicated passive crossover that swamps the tone of the cone driver, then you can use either. However, if you use line level crossover or a minimalist’s crossover and want to retain the tone of the cone driver, then the radial phasing plug is far superior.

You should also look at Bob Smith’s AES reprint #1384. Another thing to look at is JBL’s Tech Note Vol. 1, Number 30. It covers their cone midrange compression drivers (CMCD). It doesn’t matter if you use a dome or a cone, the principles involved are the same.
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Old 17th June 2009, 11:41 AM   #4
Antonio is offline Antonio  Italy
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Hi JLH,

thanks for your replay. I was looking on internet for Henricksen’s AES reprint #1328 and for Bob Smith’s AES reprint #1384 but I was not able to find it. Do you have it? Could you please send me with an e-mail?
Thanks again for your help.

Antonio
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Old 17th June 2009, 12:00 PM   #5
JLH is offline JLH  United States
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The only on-line link to the Henricksen paper is below.
http://www.nutshellhifi.com/library/...ngerine_PP.pdf

There are also more related things to read in the Beyond the Ariel thread. See post #3389
http://www.diyaudio.com/forums/showt...45#post1485545

I don’t have an electronic copy of Bob Smith’s paper. I just have a printed copy of it. You can find the JBL Tech Note on the JBL Pro web site under their library.
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Old 17th June 2009, 12:05 PM   #6
Antonio is offline Antonio  Italy
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JLH,

I have found the JBL’s Tech Note Vol. 1, Number 30.

Thaks for your link

Antonio
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