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ATH A900LTD (detachable cable mod) *questions*

post #1 of 4
Thread Starter 

Hi guys,

 

After 5 years ATH A900LTD cable gave out; time to fix. I decided to go with a detachable cable to make swapping more convenient in the future. I am sure I can manage (mechanical engineer) but had a few quick questions.

 

Pictures will be posted on completion to appease the internet gods.

 

1) I see a lot of balanced headphones end with a 3-pin xlr on each cable; probably because a lot of amps provide 3-pin balanced L/R xlr outputs. If on each line one pin is used for the signal and one for return does the 3rd pin get unused? If so why then not use a single 4-pin xlr plug on amps?

 

2) I am not sure what the plastic Y piece is called that covers up and makes the connection pretty where cables from each driver merge in to one sleeve. Would be good to know what it's called so I can search for one.

 

3) The signal and return wires from each driver are usually braided for shielding benefits but is it a good idea to braid the two braids together after they go in to the same sleeve after the Y.

 

4) Looking for wire and sleeve recommendations. With regard to the wire just looking for quality. With regard to the sleeve looking for something that Looks & Feels very nice, somethig special perhaps smily_headphones1.gif

 

Thanks


Edited by epion2985 - 11/12/12 at 9:21pm

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post #2 of 4
Quote:
Originally Posted by epion2985 View Post

After 5 years ATH A900LTD cable gave out; time to fix. I decided to go with a detachable cable to make swapping more convenient in the future. I am sure I can manage (mechanical engineer) but had a few quick questions.

Pictures will be posted on completion to appease the internet gods.

1) I see a lot of balanced headphones end with a 3-pin xlr on each cable; probably because a lot of amps provide 3-pin balanced L/R xlr outputs. If on each line one pin is used for the signal and one for return does the 3rd pin get unused? If so why then not use a single 4-pin xlr plug on amps?

2) I am not sure what the plastic Y piece is called that covers up and makes the connection pretty where cables from each driver merge in to one sleeve. Would be good to know what it's called so I can search for one.

3) The signal and return wires from each driver are usually braided for shielding benefits but is it a good idea to braid the two braids together after they go in to the same sleeve after the Y.

 

4) Looking for wire and sleeve recommendations. With regard to the wire just looking for quality. With regard to the sleeve looking for something that Looks & Feels very nice, something special perhaps smily_headphones1.gif

 

Mogami W2534 quad cable or Canare quad cable are brands that others have used for headphone cabling.

Lots of braided nylon sleeve sold on eBay, check some headphone diy cabling threads on head-fi and other forums.

post #3 of 4
Thread Starter 
Quote:
Originally Posted by PurpleAngel View Post

Mogami W2534 quad cable or Canare quad cable are brands that others have used for headphone cabling.

Lots of braided nylon sleeve sold on eBay, check some headphone diy cabling threads on head-fi and other forums.


Yeah I read a lot of those but they don't really answer my questions, save maybe the cable one; Mogami cables very popular indeed.

 

Unfortunately looking at pictures of sleeves doesn't tell you much about how they "feel" to the touch or other properties. I was hoping to hear from people that maybe have found exotic (nice to look at / nice to touch) sleeves. I was hoping to find something... special smily_headphones1.gif ...before I give up and grab some generic sleeve.

 

This is less of a "my thing broke - lets quickly make it work"

 

More of a "my thing broke - lets use that as an excuse to make something special (nice to listen to / nice to look at / nice to touch)"


Edited by epion2985 - 11/13/12 at 3:49am
post #4 of 4
Thread Starter 

Regarding 1)

 

I was just doing some reading and someone mentioned the third pin is used to ground the cable shield (if it has it); can anyone verify?


Edited by epion2985 - 11/13/12 at 11:25pm
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