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-   -   My DIY Phase Plugs (http://www.diyaudio.com/forums/full-range/138725-my-diy-phase-plugs.html)

yan6 16th February 2009 11:25 PM

My DIY Phase Plugs
 
I tried my hand at some phase plugs. I used Craftsman 23mm sockets. I used a metal chop saw to cut an inch off the square ratchet end. I then used a lathe to get them smooth and square. I only had a few minutes to give'em a try. They sound much better, they really seem to open up the sound. I hope to give them a better listen tonight.

http://img253.imageshack.us/img253/4873/img7388py5.jpg
http://img253.imageshack.us/img253/i...jpg/1/w800.png

http://img144.imageshack.us/img144/1076/img7390km5.jpg
http://img144.imageshack.us/img144/i...jpg/1/w800.png

Ryan

gmilitano 18th February 2009 05:16 AM

Those look great Ryan. FE166E? I hope to have a pair of FE206E horns up soon.

Feel free to shoot me an email. I'm in Winterpeg too.

Cheers,
Gio

yan6 18th February 2009 01:50 PM

Hey Gio, no they are Fe206 in solo206 BLH from HumbleHomeMadeHifi

Glad to see a fellow winnipeger, what kind of projects do you have on the go?

dixopr 18th February 2009 11:04 PM

I'm in winnipeg too. Cool we've got a little group. I'm looking at building a centre channel for my HT.

gmilitano 20th February 2009 04:40 AM

Hi guys!

yan6: do you get much below ~50Hz? Are you using a sub - if so, what?

Some of my projects are in my signature.
Hope to have a FE206E BLH horn soon. I'm sure that will spur a low power amp build and a sub that can keep up.

Cheers

amp_guy 20th February 2009 05:40 AM

Nice job .
The first one is a little scary when you cut up the dust cap on an expensive or irreplaceable driver.
I have made some of aluminum and some brass ones.
The best results for me were made of very dense exotic hardwoods. My experiments were done with some nice little full range drivers bought from www.partsexpress.com for (us)$.49 on closeout I bought 24 of them. All showed a clear improvement most obvious in midrange detail. No test euipement purely subjective. When combined with Dammar varnish treatment to cones they were really quite surprising for a mere 49 cent speaker. I then installed some on a pair of Snell JII speakers with great results as well.

RaphTube 20th February 2009 06:40 AM

Tell us more.
 
2 Attachment(s)
Quote:

Originally posted by amp-guy

I have made some of aluminum and some brass ones.


Could you tell us more about your experiences with brass/aluminum phase plugs.
Just last night I was experimenting with making some brass phase plugs on some cheap drivers.
The plan is to do it for my FE167e's when I have the technique down.

My experiments are far from finished, but here's what I was up to last night:
-excuse the phone-camera pics.

#1 - Dustcapectomy

RaphTube 20th February 2009 06:44 AM

my experiment
 
2 Attachment(s)
#2 - protect gap
#3 - drill hole through pole-piece
#4 - cut thread in hole

RaphTube 20th February 2009 06:48 AM

my process
 
2 Attachment(s)
#5 - Turn profile

RaphTube 20th February 2009 06:52 AM

my process
 
2 Attachment(s)
#6 - cut thread on shaft of phase-plug


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