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My DIY electrostatic headphones - Page 63

post #931 of 1522

I've been having a dust squeal in my right channel for weeks. I've brushed off the diaphragm dozens of times, checked and cleaned the stators for surface dust, and just don't know what's up. Has anyone had any difficult-to-eliminate squeals and found any tricks? It's usually only present in high humidity (almost continuous squealing if I try to wear them after showering and having wet hair, otherwise the squeal is somewhat rare occurring only a few times a day)

 

There is a fair bit of dust on the diaphragm because I don't have a cleanroom so it's effectively impossible to get fully clean, but it's no different form the left channel which rarely if ever squeals.


Edited by dude_500 - 5/26/13 at 12:42pm
post #932 of 1522
Not sure if it is the same thing but I was having this with some diaphragms that had too low a resistance (ones coated with graphite). Using the other coatings like the anti static gel has got rid of that, perhaps trying acetone and then recoat?

Chaz
post #933 of 1522
Thread Starter 

The easiest way to deal with the squealing issue is to insulate the active stator area.  I always spray a few layers of acrylic paint over the copper on my stators.  This helps prevent the possible exidation on the copper and at the same time help fix the squeal.  

 

Anyway, after insulate the stators, you still need to clean everything up though.

 

Try it.  L3000.gif

 

Wachara C.

post #934 of 1522
Thread Starter 

We had a mini meeting among headphones lovers here in Bangkok yeterday.  We had a few different Stax headphones and my Omega clone and Orpheus clone to try.  We unanimously agreed that the oval shape Orpheus clone won over the Omega clone.  dt880smile.png

 

 

 

 

 

At least now I'm not alone who thinks that my oval shape headphones, which have bigger diaphragm area, sound better than the Omega clone. L3000.gif

 

 

Wachara C.


Edited by chinsettawong - 5/26/13 at 8:58pm
post #935 of 1522
Quote:
Originally Posted by chinsettawong View Post

We had a mini meeting among headphones lovers here in Bangkok yeterday.  We had a few different Stax headphones and my Omega clone and Orpheus clone to try.  We unanimously agreed that the oval shape Orpheus clone won over the Omega clone.  dt880smile.png

 

 

 

 

 

At least now I'm not alone who thinks that my oval shape headphones, which have bigger diaphragm area, sound better than the Omega clone. L3000.gif

 

 

Wachara C.

 

Are we talking about the original Omega or OII?

 

 

BTW, that gotta be an awesome meet!!  Those folks are so lucky checking out to your creations in person.  Wonderful work again krub.

post #936 of 1522
Thread Starter 

Stax Sigma sounded very interesting.  To clone it would be fun.  dt880smile.png

post #937 of 1522
Thread Starter 
Quote:
Originally Posted by purk View Post

 

Are we talking about the original Omega or OII?

 

 

BTW, that gotta be an awesome meet!!  Those folks are so lucky checking out to your creations in person.  Wonderful work again krub.

 

I'm talking about comparing my Omega clone to the Orpheus clone.  bigsmile_face.gif 

 

I don't want to talk about how mine sound as compare to other Stax headphones, because they already sound good enough to me.  L3000.gif 

 

Wachara C.


Edited by chinsettawong - 5/26/13 at 9:19pm
post #938 of 1522
Yesterday we have many cans not just electrostatic but dynamics and portable as well.


My Stax Sigma normal bias and 507 were set up to drive by Electrostatic Driver + 300b amp+ interstage preamp.


Stax Omega2 Mk-I and Mk-II were driven by my Kgsshv.
post #939 of 1522

The KGSSHV looks so bad ass next to other amps.  The behemoth rainbow KGSSHV that is!

post #940 of 1522

That guy is wearing the Sigmas backwards tongue.gif

post #941 of 1522
Thread Starter 
Quote:
Originally Posted by n3rdling View Post

That guy is wearing the Sigmas backwards tongue.gif


Oh, yea.  dt880smile.png

post #942 of 1522
haha. this is inside of the rainbow kgsshv.
post #943 of 1522
Quote:
Originally Posted by jackcarver View Post

haha. this is inside of the rainbow kgsshv.

 

Thanks for the pic.  Are those on or off-board version?  The chassis reminds me of the Audio Reserch gear.

post #944 of 1522
Thread Starter 
Quote:
Originally Posted by purk View Post

 

Thanks for the pic.  Are those on or off-board version?  The chassis reminds me of the Audio Reserch gear.

 

Those are on-board version.  L3000.gif

post #945 of 1522

Cool.

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