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K702 DIY Dual Entry Cable

post #1 of 44
2/14/10 at 5:31pm
Thread Starter 
So I'm getting ready to rewire my K702's with a balanced dual entry DIY copper cable. I've done my fair share of soldering in the past, but this will be my first attempt at hardwiring the AKG's. I've read that if you are not careful, that you can overheat/fry the pins on the drivers. I bought a Aoyue 936 welding iron and some cardas solder to try and minimize the risk. I am planning to litz braid the cable and terminate with a 4-pin Neutrik XLR. So my questions are:

1.) Do you have any tips/suggestions when soldering the new cables onto the drivers?

2.) Do you suggest stranded (DHC Nucleotide) or solid copper for the cable?

3.) How did you provide strain relief at the drivers/enclosure?

For those of you who have rewired K701/2's, I am open to any other suggestions.

Thanks
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post #2 of 44
2/14/10 at 5:33pm
only have heat on the joint for 2 seconds or less

dhc meh my went green so i threw it away even with both ends sealed

tie wrap with hot glue around it
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post #3 of 44
2/14/10 at 9:36pm
Thread Starter 
Thanks Momo for the tip. If you were "meh" on the DHC cable, what others do you prefer?
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post #4 of 44
2/15/10 at 1:02am
vampire 20ga clear cheaper and much easier to braid . i can braid 30 awg wire but i cant do dhc at least not easy also for what ever reason the dhc i had turned green even with it sealed off only wire i ever had turn green so far.
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post #5 of 44
2/15/10 at 10:18am
Quote:
Originally Posted by Horio View Post

3.) How did you provide strain relief at the drivers/enclosure?

For those of you who have rewired K701/2's, I am open to any other suggestions.

Thanks
If you contact drubrew from moon audio he has strain releifs for sale.

I'm actually in the process of re cabling my k601s, and I cooked a driver with less than 2 seconds of contact, but I have a 25w non-adjustable weller iron.
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post #6 of 44
2/15/10 at 3:13pm
Im doing a 702 recable and im gonna use a clip on solder heatsink as an extra safety measure on those pins below the solder joint. Im going to post a thread with picts of the whole process when im done but heres what my cable looks like all braided and ready for the 1/4" plug when it gets here. Its the nucleotide cable from DHC.. i hope myn wont turn green i assume that if it does turn green the cable is pretty much junk right? ps sorry the pict is an attachment...
LL
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post #7 of 44
2/15/10 at 3:57pm
Quote:
Originally Posted by mmayer167 View Post
i assume that if it does turn green the cable is pretty much junk right?
Well, according to a big 'company', that shouldn't affect the performance.
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post #8 of 44
2/16/10 at 12:56am
Quote:
Originally Posted by Lil' Knight View Post
Well, according to a big 'company', that shouldn't affect the performance.
You mean that big 'company' who would stand lose lots of money, and customers as well as tarnish (see what I did there) their reputation?

If you use a dab of epoxy to seal the ends of the wire you should be fine.
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post #9 of 44
2/16/10 at 2:40am
trust me if it turns green and it was under techflex you would never know the difference
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post #10 of 44
2/16/10 at 3:04am
^ this is interesting, ive had my tribraid cable for a few months now and i cant see what it looks like under the techflex and it just keeps sounding better. Maybe it looks like hulk under there! Who knows maybe green is better? lol
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post #11 of 44
2/16/10 at 3:12am
Quote:
Originally Posted by momomo6789 View Post
trust me if it turns green and it was under techflex you would never know the difference
...yeah, but the same can be argued for the case where the wire was a coat hanger. Interestingly in the case of single entry k701/702 the right side literally is connected using "coat hanger wire"
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post #12 of 44
2/16/10 at 4:17am
i made a wire out of paper clips it worked !
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post #13 of 44
2/16/10 at 7:34am
^ Hehe. Remembers me of the blind test that was done once where people were listening to coat hangers.
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post #14 of 44
2/16/10 at 2:33pm
Thread Starter 
Quote:
Originally Posted by mmayer167 View Post
Im doing a 702 recable and im gonna use a clip on solder heatsink as an extra safety measure on those pins below the solder joint. Im going to post a thread with picts of the whole process when im done but heres what my cable looks like all braided and ready for the 1/4" plug when it gets here. Its the nucleotide cable from DHC.. i hope myn wont turn green i assume that if it does turn green the cable is pretty much junk right? ps sorry the pict is an attachment...

Nice looking cable mmayer. I've got my supplies on order and I'll hopefully tackle the recable next week sometime. Looking forward to your post w/pics.
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post #15 of 44
2/16/10 at 4:17pm
Should have told you to take the k702's apart before ordering your parts. Try it out, its probably one of the biggest pains in recabling the k701/702. But after the 2nd k701/2 it gets to be very easy.
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