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Vintage Stax repair and maintenance - Page 7

post #91 of 196
Quote:
Originally Posted by DefQon View Post
 

You can and you'd need to go extreme lengths to pry off the internal dust filter stuck on the stator. If you do rip the PVC film on the dust filter you need to re-film not drum tight but securely from a PVC food bag wrap. You must do it in a dust free environment. Even using special equipments and a dust free room (room where we open up hard drives and recover sensitive data off the platters of faulty drives), it was a very tedious task to retain originality and I would not do it again.


Ohh well.. not too encouraging. Can't see any dust outside the stator, so it might be on the inside. Yet, I can't seem to figure out how to get that grill out of the way! It's pretty hard to replace anything with that grill in place..

post #92 of 196
Quote:
Originally Posted by davidsh View Post
 


Ohh well.. not too encouraging. Can't see any dust outside the stator, so it might be on the inside. Yet, I can't seem to figure out how to get that grill out of the way! It's pretty hard to replace anything with that grill in place..

 

Just put the driver under a light source and inspect for any small holes or punctures in the dust filter film. It definitely sounds like some dust or hair or crap sitting on top of the stator. 

 

To remove the grill you need a thin but sharp Stanley knife, insert maybe a cm of the tip into the sandwiched edge between the metal dust filter ring and the plastic shroud holding the grill and work your way half to a cm insert around the grill, don't start prying one edge just because you've spliced it apart. It is held down by a strong but thin double sided 3M tape.

post #93 of 196
There are indeed several smaller punctures. Yet no dust to be seen. I'll look further into it tomorrow

The sigma dust cover has no punctures, yet the dust cover seem a little loose and not tight by the way. It is slightly wrinkled. I don't intend to do anything about it though

Thank you for the help so far.
post #94 of 196
Quote:
Originally Posted by davidsh View Post

There are indeed several smaller punctures. Yet no dust to be seen. I'll look further into it tomorrow

The sigma dust cover has no punctures, yet the dust cover seem a little loose and not tight by the way. It is slightly wrinkled. I don't intend to do anything about it though

Thank you for the help so far.

100% you have debris, hair or dust inside. You can't see dust as-is in the driver, you need to remove that dust filter.

post #95 of 196

Then I need to get some double sided tape before proceeding. What do you recommend?

 

I probably shouldn't replace the dust filter on the non-faulty driver. I am not sure whether the dust filter might have small fractures. willl check that later under some proper light.

post #96 of 196
Quote:
Originally Posted by davidsh View Post

Then I need to get some double sided tape before proceeding. What do you recommend?

I probably shouldn't replace the dust filter on the non-faulty driver. I am not sure whether the dust filter might have small fractures. willl check that later under some proper light.

Make sure you have everything prepared and at hand ready before the autopsy.

Good luck
post #97 of 196
Hi everyone. I'm new here and I want to share some problems with phones I've noticed when bought it 2 monts back from now. It's stax sr-x mk3 with low bias srd7/sb energizer. Problem is when turn up the music, left chanel is slightly lower then right, but after 6-7 minutes they are totaly equal. Do I need to concern about that issue or someone have suggestion solving this? Sorry for my bad language. Every help is welcome. Thanks
post #98 of 196
Quote:
Originally Posted by Dax061 View Post

Hi everyone. I'm new here and I want to share some problems with phones I've noticed when bought it 2 monts back from now. It's stax sr-x mk3 with low bias srd7/sb energizer. Problem is when turn up the music, left chanel is slightly lower then right, but after 6-7 minutes they are totaly equal. Do I need to concern about that issue or someone have suggestion solving this? Sorry for my bad language. Every help is welcome. Thanks

No concern as long as the imbalance goes away. You shouldn't be too concerned.

post #99 of 196
Thanks for fast reply good man. Well, then I'll just enjoy the music. Do you know where I can buy extension cable for my phones or just male/female connectors so I could make cabeles of my own?
post #100 of 196
Quote:
Originally Posted by Dax061 View Post

Thanks for fast reply good man. Well, then I'll just enjoy the music. Do you know where I can buy extension cable for my phones or just male/female connectors so I could make cabeles of my own?

Stax do make their own extension cables. Can be had through Stax and on amazon and ebay.. Don't know about extension cables with 6 pins, though.

post #101 of 196
I know they do but too pricey and only 5 pin pro bias. It would be great if I could find connectors and make cable. I'm new in electrostatic phones and don't know how to clean them. Mesh inside left cup is dirty and I'm not sure if I start to disassemble it is there something to damage inside? Work with electronics every day but not too brave for doing this kind of delicate work.
post #102 of 196
Quote:
Originally Posted by Dax061 View Post

I know they do but too pricey and only 5 pin pro bias. It would be great if I could find connectors and make cable. I'm new in electrostatic phones and don't know how to clean them. Mesh inside left cup is dirty and I'm not sure if I start to disassemble it is there something to damage inside? Work with electronics every day but not too brave for doing this kind of delicate work.

No, you shouldn't disassemble them. You can take of the ear pads and glue them back on, but opening the drivers is not a good idea. I think you can remove the mesh and clean it without opening the driver, but I think the mesh is glued onto the driver housing or something.. Just don't open the driver itself and don't break the dust cover, then you should be somewhat safe..

post #103 of 196
Ok, thanks for all your valuable help.
post #104 of 196

Your welcome..

post #105 of 196

The left channel on my Stax SRM-T1 seems to have gone bad. It works at low volume, and then begins to distort, stutter, and then eventually disappear entirely as the volume is gradually turned up. What's going on?

 

I have already performed a tube swap to the best of my abilities, so I am virtually positive that this is not the solution.

If pictures of the PCB are necessary, I can get whatever you need in HD.

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