My DIY Phase Plugs

yan6 · 16th February 2009, 10:25 PM

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.

Ryan

gmilitano · 18th February 2009, 04:16 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, 12:50 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, 10:04 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, 03:40 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, 04:40 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.

Raphael Shaw · 20th February 2009, 05:40 AM

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

Raphael Shaw · 20th February 2009, 05:44 AM

#2 - protect gap
#3 - drill hole through pole-piece
#4 - cut thread in hole

Raphael Shaw · 20th February 2009, 05:48 AM

#5 - Turn profile

Raphael Shaw · 20th February 2009, 05:52 AM

#6 - cut thread on shaft of phase-plug

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16th February 2009, 10:25 PM	#1
yan6 diyAudio Member Join Date: Nov 2008	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. Ryan

18th February 2009, 04:16 AM	#2
gmilitano diyAudio Member Join Date: Apr 2004 Location: Winnipeg, Manitoba	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 __________________ DIY Audio Projects [ 10" DIY Subwoofer \| FE127E Sealed Bipole \| [ LM3886 Chip Amp / Gainclone \| K-12M Tube Amp Kit ]

18th February 2009, 12:50 PM	#3
yan6 diyAudio Member Join Date: Nov 2008	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?

18th February 2009, 10:04 PM	#4
dixopr diyAudio Member Join Date: Feb 2009	I'm in winnipeg too. Cool we've got a little group. I'm looking at building a centre channel for my HT.

20th February 2009, 03:40 AM	#5
gmilitano diyAudio Member Join Date: Apr 2004 Location: Winnipeg, Manitoba	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 __________________ DIY Audio Projects [ 10" DIY Subwoofer \| FE127E Sealed Bipole \| [ LM3886 Chip Amp / Gainclone \| K-12M Tube Amp Kit ]

20th February 2009, 04:40 AM	#6
amp-guy diyAudio Member Join Date: Oct 2004 Location: utah	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.

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