Solder. Start with raw cable and connectors.
Yes but how would you wrap it? Normally I’d just stick some heat shrink tubing over it but I’m not sure that’s the best solution with a y shape.
Yes they do exactly 
I’d just get wires that are small enough gauge to stuff 2 in the end of the connector, then shrink them both individually and around both of them with a different size.
I keep meaning to make them, but my SL1 already will let me switch with the line/phono switch while a computer’s plugged in, and about a week ago, I got the bug to just play vinyl (while my computer was doing something else) and just plugged them straight in and haven’t put it back yet, so……yeah……
I’m about get into this soldering larky - bought the kit, just waiting for it to arrive.
I’m SERIOUSLY considering a mod to one of the pairs of 1210’s I’ve got, where I’ll have DUAL interconnects coming out. 1 pair to go to the audio interface for DVS, and another pair to go directly into the phono in on the mixer.
Copyright Patch, 2012. 
(Unless anyone can think of a reason not to? Xone? Most?)
Okay - my soldering kit has turned up! Is there a reason NOT to solder in 2 SETS of output cables from 1210’s?
Cowardice? 
There is (cutting the input impedance that the cartridge is running into), but multicores work exactly the same way and they don’t cause problems.
Depends how you do it. You would have to make a Y cable where one single lead would get soldered to the board and then it would split outside the technics housing so it could make use of the cable clamp and the tight space in the housing- and then you run into durability depending on your soldering and cable making skills like what mrpoppinjay was asking about how to make the junction in the cable.
Best bet is to find a decent premade dual Y cable to use if one exists.
Huh, you can get pre-made Y shaped cables? I should look into that.
Probably, I know I’ve seen them at one point but I’m not seeing any from a quick search.
Thanks Xone - I must admit, I’d intended to solder BOTH cables directly to the board, and deal with the space issues the best way I could.
Says the man that was afraid to stick some heat shrink on a couple of cables! 
There definitely are y-cables. I have a small pile of them.
The biggest issue with y-cables is that they end up really weird lengths for using them like that, and you get to a point where you’re using 2 y cablees, 2 F-F couplers and 2 extension cable (F on one side, M on the other) per deck, which is a lot of things to lose or break.
If you basically just solder things together and your soldering skills are decent, it’d at least be more robust…and there’d only be 2 things to collect at the end of the night instead of 12 things that might get separated if you’re a bit quick unplugging or if someone else “helps you”.
I meant a double Y cable. As in a pair of RCA male connectors that splits to two pairs of RCA male connectors. I’ve seen them before just can’t find any now.
something like this:
Looks like it even has a ground cable attached. Only problem is, this one splits the left into 2 lefts, and the right into 2 rights. No good unless your mixer and AI are VERY close to each other… (But not really a problem if you’re gonna solder to the board anyway…)
Right…hence needing the extension cable.
And the couplers, since everything’s male and so are the cables coming off the turntable.
Gay sex/marriage is all well and good for people if that’s what you/they’re into……but it doesn’t work so well with cables without adapters of some sort.
He’s talking about replacing the stock cables entirely so there would be two sets of cables attached to the table.
Yup. I already use splitters - with no problems. Just trying to AVOID using splitters…
I recently sniped some multicores on ebay- I gotta say I like them. I really like how they separate in the middle.
One thing thing I would like changed though- there’s a short cable to the 7 pin socket on the soundcard segment and a long one on the mixer segment. I’d much rather it was the other way around so when there’s no soundcard attached you didn’t have this pointlessly large cable behind your mixer.