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Super.Fi 4vi iPhone Cable Mod

post #1 of 10
Thread Starter 
I had a 1-2 year old set of Super.Fi 4vi's with a busted cable that had 1 too many repairs. I used the final break as an excuse to buy some TF10s, but figured it was time to put the still good SF4 phones to use as a backup with a little mod. About 5-10 minutes of soldering and they were done. Thought I would share. See pics below.

Next up will hopefully be a DIYMod on a 20GB iPod 4G, but since my soldering skills are less than par, I'll need some good practice before tackling that one.
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post #2 of 10
Nice mod and great job!
Though I'd like to point out that using solder iron over 85*C to solder BA driver will cause damage to diaphragm and coil inside transducer. Drivers sould be placed in heatsink during soldering. Thus please read KA/Sonion's materials before dealing with BA drivers.
post #3 of 10
Thread Starter 
Quote:
Originally Posted by piotrus-g View Post
Nice mod and great job!
Though I'd like to point out that using solder iron over 85*C to solder BA driver will cause damage to diaphragm and coil inside transducer. Drivers sould be placed in heatsink during soldering. Thus please read KA/Sonion's materials before dealing with BA drivers.
Thanks for the advice. I was curious if the heat from the soldering iron would damage the phones, but saw several other mods on this forum and a video on youtube doing similar mods with other phones.

It appears I lucked out this time around as the sound of the SF4s are the same as before, simply with much less microphonics as the stock SF4 cables
post #4 of 10
Hi,
I was interesting in picking up a cheap pair of 4vi on ebay and modding them to some Sony MDR-EX38ip, giving me a poor mans (hopefully good quality) iPhone compatible earbuds with remote! and Lshaped jack.
Your pictures indicate that it seems possible, quick question though; does the casing come apart by unscrewing?
Again, thanks for the pics.
post #5 of 10

Hello,

How did You open the SF4?

Is it glued?

post #6 of 10

Hello there, I've been tryin to figure out how to get these things open as well. How did you crack these things?

post #7 of 10
Thread Starter 

Sorry, never saw the responses on this thread after the first month, so this is probably a little too late for anyone but jsteadman.

 

The SF4s simply unscrew at the earpiece portion of the phone. No glue or single piece construction, just 2 pieces that screw together.

post #8 of 10

Thanks again!

post #9 of 10
Quote:
Originally Posted by icedtrip View Post

Sorry, never saw the responses on this thread after the first month, so this is probably a little too late for anyone but jsteadman.

 

The SF4s simply unscrew at the earpiece portion of the phone. No glue or single piece construction, just 2 pieces that screw together.

 

Hi icedtrip, as my experience ... SF4 glued with epoxy-kind screw bond.

If it is true, I'm really wondering!

(and I'm trying open my SF4s ... but it not moves .. )

post #10 of 10

 

I open housing (it was difficult to without damage).

It was need to making break epoxy bonds with rubber hammer...

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